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363-131 121-55A 14-.5
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Class Number: 44
Class Title: FUEL AND RELATED COMPOSITIONS
Subclass Subclass
Number Title
250 FLAMELESS OR GLOWLESS
251 .Activatable by or containing water
252 ..Free metal-containing
253 ...With organic or second elemental material
265 SOLIDIFIED LIQUID (E.G., GEL, ETC.)
266 .Liquid alkanol base
267 ..With carbohydrate (e.g., cellulose compound, cotton, etc.)
268 .Liquid hydrocarbon base (e.g., gasoline, etc.)
269 ..With plant derivative of unknown composition (except rosin or
rosin derivatives) or carbohydrate
270 ..With organic nitrogen compound
271 ..With organic polymer polymerized through olefinic or
acetylenic bond (e.g., methacrylate polymers, polypropylene,
etc.)
272 ..With organic -C(=X)X- compound, wherein the X's are the same
or diverse chalcogens (e.g., aluminum carboxylates, rosin
salts, etc.)
275 CANDLE COMPOSITION
280 SOLID CARBONACEOUS FUEL DISPERSED IN A LIQUID MEDIUM (E.G.,
DISPERSED COAL, COKE, CARBON POWDER, PEAT, ETC.)
281 .The liquid medium is, or contains, hydrocarbon
282 ..Liquid hydrocarbon, or liquid hydrocarbon and water, are the
only components
300 LIQUID FUELS (EXCLUDING FUELS THAT ARE EXCLUSIVELY MIXTURES OF
LIQUID HYDROCARBONS)
301 .Emulsion fuel (e.g., water-gasoline emulsions, etc.)
302 ..Alkanol component
303 .Oxo still bottoms containing (i.e., distillation residues from
reaction product of carbon monoxide, hydrogen, and olefin)
304 .Organic compound of indeterminate structure which is a reaction
product of an organic compound with sulfur halide or elemental
sulfur containing
305 .Phosphosulfurized or phosphooxidized organic compound of
indeterminate structure containing (i.e., reaction products of
organic compounds with phosphorus sulfides or oxides)
306 .Rosin, tall oil, or derivatives thereof containing (except
abietic acids or fatty acids derived therefrom)
307 .Plant or animal extract mixtures or extracts of indeterminate
structure containing
308 ..Containig triglycerides (e.g., castor oil, corn oil, olive
oil, lard, etc.)
309 .Organic oxidate of indeterminate composition containing (e.g.,
paraffin wax oxidate or petroleum oxidate, etc.)
310 ..Chemically reacted organic oxidate (e.g., esterified, etc.)
311 .Sludge, pitch, tar, or tar distillate containing
312 .Quinone or anthraquinone containing (e.g., quinhydrone,
benzoquinones, etc.)
313 .Carbohydrate containing
314 .Boron containing
315 ..Phosphorus attached directly or indirectly to the boron
316 ..Three carbons or three fluorines bonded directly to the boron
317 ..Nitrogen attached directly or indirectly to the boronn
318 ..Three identical or diverse chalcogens bonded directly to the
boron
319 ...Carbon, chalcogen, and boron in the same ring
320 .Silicon containing
321 .Free metal or alloy containing
322 .Containing acyclic oxygen single bonded to acyclic oxygen
(i.e., peroxy compounds)
323 .Containing -X-N(=X) or -X-N(=X)(=X) bonded directly to carbon,
wherein the X's are the same or diverse chalcogens (e.g.,
thionitrite esters, etc.)
324 ..Nitrates or Thionitrates (i.e., -X-N(=O)(=O) bonded directly
to carbon)
325 ...With organic non-nitrate nitrogen compound
326 ...With organic non-nitrate chalcogen compound
327 .Organic azide compound, or organic compound having acyclic
nitrogen double bonded to acyclic nitrogen (e.g., diazo
compounds, etc.)
328 ..Azo compound (i.e., each of the nitrogens is single bonded to
carbon)
329 .Heterocyclic carbon compound containing a hetero ring having
chalcogen or nitrogen as the only ring hetero atoms
330 ..Compound of indeterminate structure prepared by reacting a
heterocyclic compound of known structure
331 ...The heterocyclic compound reactant is a dicarboxylic acid
anhydride (e.g., reaction product of succinic anhydride with
a polyamine, etc.)
332 ...The heterocyclic compound reactant is an oxirane (e.g.,
reaction product of epihalohydrin with amine, epoxide
reactions, etc.)
333 ..The hetero ring contains six members including nitrogen and
carbon
334 ...Chalcogen in the hetero ring
335 ...Plural nitrogens in the hetero ring (e.g., piperazines,
etc.)
336 ....Triazine or 1,3-diazine
337 ...Polymer or copolymer of a vinyl pyridine
338 ...Acyclic chalcogen or acyclic nitrogen bonded directly to ring
carbon of the hetero ring
339 ...The hetero ring is unsubstituted or hydrocarbyl substituted
only, or salts thereof (e.g., pyridyl salicylate salts,
isoquinoline, etc.)
340 ..The hetero ring contains five members including nitrogen and
carbon (e.g., pyrrolidones, porphines, etc.)
341 ...Chalcogen in the hetero ring
342 ...Plural nitrogens in the hetero ring (e.g., imidazolines,
etc.)
343 ....At least three nitrogens in the hetero ring (e.g.,
triazoles, tetrazoles, etc.)
344 ....Having -C(=X)-, wherein X is chalcogen or NH, attached
indirectly to the hetero ring by nonionic bonding
345 ....Carboxylic acid salt of the hetero ring compound, or a free
carboxylic acid is present
346 ...Polymeric or copolymeric compound having plural occurrences
of the hetero ring (e.g., alpha-olefin maleimide copolymers,
etc.)
347 ...Acyclic chalcogen bonded directly to each carbon adjacent to
the ring nitrogen (e.g., succinimides, etc.)
348 ....Substituent on the ring nitrogen contains an acyclic -C(=X)--
group, wherein X is chalcogen
349 ..The hetero ring contains six members including carbon and
chalcogen (e.g., six-membered sorbitans, ketone peroxides,
etc.)
350 ..The hetero ring contains five members including carbon and
chalcogen
351 ...Acyclic chalcogen bonded directly to ring carbon of the
hetero ring (e.g., five-membered lactones, anhydrides,
sorbitans, etc.)
352 ...Ring carbons of the hetero ring are unsubstituted or
hydrocarbyl substituted only
353 ..The hetero ring contains three or four members
354 .Aluminum or heavy metal, other than lead, containing
355 ..Inorganic metal carbonyl compound (e.g., iron carbonyl, etc.)
356 ...With organic -C(=O)O- containing compound (e.g., carboxylic
acids, esters, etc.)
357 ..Inorganic compound of Zr, Cr, Cu, Zn, or Ni
358 ..Organic compound containing the heavy metal or aluminum
359 ...Metal carbonyl compound (e.g., cyclopentadienyl manganese
tricarbonyl, etc.)
360 ....Substituted or unsubstituted cyclopentadienyl manganese
tricarbonyl, with an organic compound having -C(=O)O- not
bonded to heavy metal or aluminum etc.)
361 ...Five-membered, unsaturated carbocycle bonded directly to the
heavy metal or aluminum (e.g., ferrocene, etc.)
362 ...Heavy metal or aluminum complex of compounds having two
-C(=X)- groups, wherein X is chalcogen, bonded to the same
carbon, or enols thereof (e.g., iron acetylacetonate, etc.)
363 ...Heavy metal or aluminum carboxylate salt or complex
364 ....The heavy metal is Cr, Zr, or a lanthanide
365 ...Heavy metal or aluminum sulfonate salt or complex
366 ...Heavy metal or aluminum salt of organic phosphorus acid
367 ...Nitrogen bonded directly or indirectly to the heavy metal or
aluminum
368 ...Organic compound containing arsenic, antimony, or bismuth
369 .Containing -O-S(=O)(=O)O- or -O-S(=O)O- attached directly or
indirectly to carbon by nonionic bonding (e.g., sulfate esters,
sulfite esters, etc.)
370 .Containing organic -S(=O)(=O)O- compound (i.e., sulfonates)
371 ..Nitrogen or -C(=X)-, wherein X is chalcogen, attached
indirectly to the sulfonate group by nonionic bonding
372 ..Hydrazine or organic nitrogen compound salts of sulfonic
acids
373 ..Overbased sulfonate or carbonated alkaline earth metal
sulfonate
374 ..With organic -C(=O)O- compound (e.g., carboxylic acids,
esters, etc.)
375 .Containing compound having phosphorus bonded directly to
chalcogen and directly or indirectly to carbon by nonionic
bonding (e.g., alkyl acid phosphates, etc.)
376 ..Nitrogen attached to the phosphorus directly or indirectly by
acyclic nonionic bonding
377 ...Lecithin or indeterminate structure reaction product thereof
378 ..Carbon bonded directly to the phosphorus
379 ..Chalcogen or halogen attached indirectly to the phosphorus by
acyclic nonionic bonding
380 ..Organic nitrogen compound salt of organic phosphorus acids
381 ...Chalcogen or additional nitrogen in the organic nitrogenn
compound
382 ..Phosphorus triester
383 .Containing organic -C(=X)X- compound, wherein the X's are the
same or diverse chalcogens, with at least one X being sulfur
384 .Organic compound containing -NC or -CN group
385 .Containing organic -C(=O)O- compound (e.g., fatty acids, etc.)
386 ..Compound of indeterminate structure prepared by reacting an
organic -C(=O)O- compound
387 ..Nitrogen or oxygen bonded directly to the carbon of the
-C(=O)O- group (e.g., carbamic and carbonic compounds, etc.)
388 ..The single bonded oxygen is bonded directly to an additional
carbon, which carbon may be single bonded to any element but
may be multiple bonded only to carbon (i.e., carboxylic acid
esters)
389 ...Plural -C(=O)O- groups attached to each other directly or
indirectly by nonionic bonding (e.g., polyesters, half
ester-half acid compounds, etc.)
390 ....Halogen or sulfur attached indirectly to the -C(=O)O- by
nonionic bonding
391 ....Nitrogen attached indirectly to the -C(=O)O- by nonionic
bonding
392 .....Product polymerized through an olefinic double bond
393 ....Copolymer of olefinically unsaturated hydrocarbon monomer
and additional monomer (e.g., ethylene-vinyl acetate
copolymers, etc.)
394 .....With organic nitrogen compound
395 .....With additional synthetic nonhydrocarbon polymer
396 .....One of the monomers contains a benzene ring (e.g., styrene,
etc.)
397 ....Polymer or copolymer of nonhydrocarbon olefinically
unsaturated monomers polymerized through an olefinic double
bond (e.g., trimer esters, etc.)
398 ....Mono- di-, or polyester of polycarboxylic acids
399 ...Nitrogen attached indirectly to the -C(=O)O- group by
nonionic bonding
400 ...Chalcogen or halogen attached indirectly to the -C(=O)O-
group by nonionic bonding
401 ...Alkyl ester of formic or alkanoic acids
402 ....With alkanol or dialkyl ether
403 ..Plural -C(=O)O- groups attached to each other directly or
indirectly by nonionic bonding
404 ...Carboxylic acid dimer, trimer, or homopolymer
405 ..Nitrogen attached indirectly to the -C(=O)O- group by acyclic
nonionic bonding
406 ...The nitrogen is bonded directly to an additional -C(=O)-
group
407 ....Plural nitrogens or plural chalcogens attached indirectly to
the -C(=O)O- group by acyclic nonionic bonding
408 ..Organic nitrogen compound salt of carboxylic acids
409 ...Plural nitrogens in the organic nitrogen compound (e.g.,
diamines, aminoamides, guanidines, etc.)
410 ..Nitrogen or chalcogen attached indirectly to the -C(=O)O-
group by nonionic bonding
411 ..With alkanol, ketone, or phenol
412 .Organic nitrogen compound containing
413 ..Nitro or nitroso bonded directly to carbon
414 ...The carbon is acyclic or alicyclic
415 ..Compound of indeterminate structure prepared by reacting aa
phenol, an aldehyde, and ammonia or substituted ammonia
416 ..The nitrogen is single bonded directly to nitrogen
417 ..Plural nitrogens bonded directly to the same -C(=X)- group,
wherein X is chalcogen (e.g., ureas, etc.)
418 ..Having -C(=X)- bonded directly to the nitrogen, wherein X is
chalcogen
419 ...Additional nitrogen attached indirectly to the -C(=X)- group
by acyclic nonionic bonding
420 ..Carbon double bonded to the nitrogen
421 ...Plural nitrogens attached indirectly to each other by acyclic
nonionic bonding
422 ..Quaternary ammonium salt or amine oxide
423 ..Chalcogen or phosphorus attached directly to the nitrogen by
nonionic bonding
424 ..Benzene ring attached indirectly to the nitrogen by acyclic
nonionic bonding
425 ...Additional nitrogen attached indirectly to the nitrogen by
acyclic nonionic bonding
426 ..Benzene ring bonded directly to the nitrogen
427 ...Chalcogen attached directly or indirectly to the benzene ring
by nonionic bonding
428 ....Acyclic carbon bonded directly to the nitrogen
429 ...The benzene ring is part of a polycyclo ring system
430 ...Plural nitrogens bonded to the same benzene
431 ....Plural rings bonded to the same nitrogen atom
432 ..Plural nitrogens attached indirectly to each other by acyclic
nonionic bonding
433 ...Chalcogen attached indirectly to one of the nitrogens by
acyclic nonionic bonding
434 ..Chalcogen or halogen attached indirectly to the nitrogen by
acyclic nonionic bonding
435 .Sulfur or phosphorus attached directly or indirectly, by
nonionic bonding, to carbon of an organic compound
436 .Organic oxygen compound containing (e.g., alicyclic alcohols,
hypochlorites, etc.)
437 ..The oxygen is part of a -C(=O)- group
438 ...With alkanol or dialkyl ether
439 ...Acyclic ketone
440 ..Plural benzene rings bonded directly to each other or to the
same acyclic carbon
441 ..Oxygen bonded directly to a polycyclo carbocyclic ring system
442 ..Plural oxygens bonded directly to the same monocyclic benzene
ring
443 ..Plural oxygens attached indirectly to each other by acyclic
nonionic bonding
444 ...Plural oxygens bonded directly to the same acyclic or
alicyclic carbon (e.g., acetals, etc.)
445 ...All the oxygens are present as -OH groups (e.g., glycols,
triols, etc.)
446 ..Alkanol compound with dialkyl ether compound
447 ..Ether
448 ...Dialkyl ether
449 ....Tertiary carbon bonded directly to the ether oxygen
450 ..Phenol or salt thereof
451 ..Alkanol
452 ...Mixture of alkanols
453 ...Dehydration processes, and products thereof
454 .Lead-containing organic compoundd
455 ..With inorganic additive
456 .Halogen bonded directly to carbon
457 .Inorganic component (e.g., carbon dioxide, etc.)
458 ..Nitrogen or sulfur containing (e.g., carbon disulfide, etc.)
459 .Solid hydrocarbon polymer containing
490 PEAT
491 .Briquet
492 .Process including heat
500 PARTICULATE (E.G., POWDERED, ETC.)
501 .Treated to reduce spontaneous ignition
502 .Solid particle containing liquid fuel
503 .Mixed with particles of different size
504 .Mixed with particles of different composition
505 .Process including removal of undesirable
506 COMBINED WITH FRICTION IGNITING MASS OR SURFACE
507 .Hand manipulable (e.g., match, etc.)
508 ..Plural integral (e.g., string, etc.)
509 ...Parallel
510 ..With scratcher
511 MATCH SPLINT OR STICK
512 .Process of making
519 PROVIDED WITH WICK OR FUSE
520 FUEL PRODUCT HAVING PASSAGEWAY FOR GAS
521 .Plural elements, with passageway unobstructed from side to
opposite side
522 .Single element having aperture
530 FUEL PRODUCT OF DEFINED SHAPE OR STRUCTURE
531 .Composed of moveable (e.g., articulated, etc.) or
readily-breakable sections
532 .Shaped or arranged for easier ignition
533 ..And containing easier-igniting material
534 ...Material acts as at least part of a wrapper or packaging
535 .Cylindrical (e.g., log, etc.)
540 WITH INCOMBUSTIBLE CARRIER (E.G., TORCH, ETC.)
541 BUNDLED, COVERED OR WRAPPED
542 COATED OR IMPREGNATED FOR EASIER IGNITION
543 .Solid fiber or particle in coating (e.g., sawdust, etc.)
544 .With wax
545 .With normally-liquid material
550 CONSOLIDATED SOLIDS (E.G., BRIQUETTE, ETC.)
551 .Containing specified binder
552 ..With sewage, animal blood, or animal manure
553 ..With synthetic organic polymer prepared by polymerizing
specified monomer (e.g., polyacrylonitrile, urea-formaldehyde
resins, etc.)
554 ..With vegetable flour, vegetable meal, or dairy product
555 ..With glue or gelatin
556 ..With nonproteinaceous organic nitrogen compound (e.g.,
hexamethylenetetramine, alkanolamine salts, etc.)
557 ..With phosphorus- or boron-containing compound
558 ..With oxidant (e.g., nitrates, chlorates, chromates,
permanganates, black manganese oxide, etc.)
559 ..With gypsum or silicon-containing material (e.g., clay,
portland cement, water glass, etc.)
560 ...With nonfibrous carbohydrate (e.g., molasses, starch, etc.)
561 ...With pitch, tar, tar oil, or bitumen
562 ...With paraffin, liquid hydrocarbon, or wax hydrocarbon
563 ...With fibrous vegetable material, resin, or organic -C(=O)--
compound (e.g., rosin, tall oil, tallow, pine resin, etc.)
564 ..Tar, pitch, or tar oil
565 ...With nonfibrous carbohydrate (e.g., molasses, starch, etc.)
566 ...With elemental metal, metal oxide, limestone, or inorganic
metal salt (e.g., lime, etc.)
567 ...With fibrous vegetable material (e.g., cellulose, wood,
paper, sawdust, etc.)
568 ...Solid fuel, or solid fuel and water, are the only other
components of the composition
569 ..With bitumen or asphaltic material
570 ...With elemental metal, metal oxide, limestone, or inorganic
metal salt (e.g., lime, etc.)
571 ...With paraffin, liquid hydrocarbon, or wax hydrocarbon
572 ..With paraffin, liquid hydrocarbon, or wax hydrocarbon
573 ...With resin or organic -C(=O)O- compound (e.g., rosin, tall
oil, tallow, pine resin, carboxylic acid esters, etc.)
574 ...With preliminary purification of coal (e.g., oil agglomerates
of desulfurized or deashed coal, etc.)
575 ...With elemental metal, metal oxide, limestone, or inorganic
metal salt (e.g., lime, etc.)
576 ...With fibrous vegetable material (e.g., cellulose, wood,
paper, sawdust, etc.)
577 ..With nonfibrous carbohydrate (e.g., molasses, starch, etc.)
578 ..With lignin, lignin derivative, or sulfite liquor (e.g.,
lignones, lignosulfonates, etc.)
579 ..With rubber, resin, or organic -C(=O)O- compound (e.g., rosin,
tall oil, tallow, pine resin, carboxylic acids, etc.)
580 ..With limestone, elemental metal, elemental sulfur, or
inorganic compound (except water)
589 .Vegetation or refuse
590 ..Wood, sawdust or paper
591 .Carbonized material (e.g., coke, etc.)
592 ."Low-rank" coal (e.g., lignite, etc.)
593 .Consolidation process using specified condition or technique
594 ..Predrying or moistening
595 ..Comminuting (e.g., grinding, etc.)
596 ..Pressing
597 ...With applied heat
598 ..Baking or drying of formed product
599 ..With chemical reaction (e.g., carbonizing.etc.)
600 WITH APPEARANCE MODIFYING ADDITIVE OR TREATMENT
601 WITH ANTIFREEZING ADDITIVE OR TREATMENT
602 WITH ANTIDUSTING ADDITIVE
603 WITH COMBUSTION IMPROVER
604 .Sulfur bindant
605 FROM VEGETATION OR REFUSE
606 .Wood, sawdust or paper
607 CARBONIZED COMPONENT (E.G., COKE, ETC.)
608 "LOW-RANK" COAL (E.G., LIGNITE, ETC.)
620 COAL TREATING PROCESS OR PRODUCT THEREOF
621 .Removal of undesirable
622 ..Sulfur
623 ...Using a transition metal-containing material
624 ...Using liquid aqueous material
625 ....And treatment with gas
626 ..Water (e.g., drying, etc.)
627 ..Ash or ash-former
628 MISCELLANEOUS FUEL COMPOSITIONN
629 APPARATUS FOR MAKING OR TREATING FUEL COMPOSITION
630 .Peat
631 ..Plural operations
632 ...With molding
633 ..Disintegrating
634 .Briquetting
635 ..Plural operations
636 ...With molding
639 .Liquid
640 WALL DEPOSIT PREVENTING OR REMOVING COMPOSITION (E.G., SOOT
REMOVAL, ETC.)
641 SOLID FUEL COMBUSTION IMPROVING COMPOSITION
642 FLAME COLORANT COMPOSITION
643 MATCH SCRATCHER COMPOSITION OR STRUCTURE
* ******************************
* CROSS-REFERENCE ART COLLECTIONS
* ******************************
901 FUEL COMBINED WITH MATERIAL TO BE HEATED
902 .Flameless or glowless, e.g., hair curler, etc.
903 METHOD INCLUDING MEASURING, TESTING OR AUTOMATIC CONTROL
904 METHOD INVOLVING ELECTRIC OR WAVE ENERGY
905 METHOD INVOLVING ADDED CATALYST