US Patent Class 585
CHEMISTRY OF HYDROCARBON COMPOUNDS-- Main Headings




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Current as of: June, 1999
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CLASS NOTES
1  DF  PRODUCT BLEND, E.G., COMPOSITION, ETC., OR BLENDING PROCESS PER SE {5}
15  DF  HYDRATE OR PRODUCTION THEREOF
16  DF  COMPOUND OR REACTION PRODUCT MIXTURE {3}
240  DF  PRODUCTION OF HYDROCARBON MIXTURE FROM REFUSE OR VEGETATION {2}
250  DF  ADDING HYDROGEN TO UNSATURATED BOND OF HYDROCARBON, I.E., HYDROGENATION {10}
300  DF  PLURAL PARALLEL SYNTHESES {3}
310  DF  PLURAL SERIAL DIVERSE SYNTHESES {8}
350  DF  ALICYCLIC COMPOUND SYNTHESIS {11}
400  DF  AROMATIC COMPOUND SYNTHESIS {15}
500  DF  UNSATURATED COMPOUND SYNTHESIS {14}
700  DF  SATURATED COMPOUND SYNTHESIS {11}
800  DF  PURIFICATION, SEPARATION, OR RECOVERY {7}
899  DF  MISCELLANEOUS PROCESS, E.G., INDETERMINATE MODIFICATION OF A PROPERTY, STORAGE, TRANSPORTATION, ETC.
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CROSS-REFERENCE ART COLLECTIONS
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*  DF  CATALYST AND RECYCLE CONSIDERATIONS {6}
*  DF  HEAT CONSIDERATIONS {2}
*  DF  APPARATUS CONSIDERATIONS {2}
*  DF  SPECIAL CHEMICAL CONSIDERATIONS {9}
*  DF  MISCELLANEOUS CONSIDERATIONS {7}