US Patent Class 534
ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES-- Main Headings




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Current as of: June, 1999
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CLASS NOTES
*  DF  ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) {8}
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DIGESTS
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DIG 1  DF  MIXTURES OF AZO COMPOUNDS
DIG 2  DF  AZO COMPOUNDS CONTAINING CHAINS OF EIGHT OR MORE CARBON ATOMS NOT PROVIDED FOR ELSEWHERE IN THIS CLASS
DIG 3  DF  POLYMERIC AZO COMPOUNDS OR AZO COMPOUNDS CONTAINING POLYMERIC MOIETIES
DIG 4  DF  AZO COMPOUNDS WHICH ARE LAKES
DIG 5  DF  AZO COMPOUNDS HAVING UTILITY OTHER THAN AS DYES
DIG 6  DF  AZO COMPOUNDS CONTAINING -N(O)-N=, -N=S, OR -SO2N3 GROUPS
DIG 7  DF  AUTOMATIC AND/OR CONTINUOUS TEMPERATURE CONTROL IN THE PREPARATION OF AZO COMPOUNDS
DIG 8  DF  ELIMINATION OF GROUPS DURING THE PREPARATION OF AZO COMPOUNDS
DIG 9  DF  AZO COMPOUNDS CONTAINING TERNARY SULFONIUM GROUPS
DIG 10  DF  AZO COMPOUNDS CONTAINING FORMALDEHYDE REACTION PRODUCT AS THE COUPLING COMPONENT