Inventor · disambiguated record
Sheldon Farber
Also filed as: FARBER SHELDON
12 granted patents·148 citations·filing 1975–1980
91Inventor score
Top patents by PatentIndex Score
12 records- 0192US4020056ADi-vinyl phthalides color formersNCR CO·Filed 1975·Granted Apr 26, 1977·25 cites·7 claims
- 0290US4107428ADi-vinyl color formersNCR CO·Filed 1977·Granted Aug 15, 1978·19 cites·7 claims
- 0390US4022771AAminophenyl lactone compounds containing an ethyleno groupNCR CO·Filed 1975·Granted May 10, 1977·20 cites·12 claims
- 0485US4334072ALactone compounds containing an indolizine radicalAPPLETON PAPER INC·Filed 1980·Granted Jun 8, 1982·17 cites·20 claims
- 0575US4026883ADerivatives of dianhydrides as vinyl color formersNCR CO·Filed 1975·Granted May 31, 1977·8 cites·12 claims
- 0674US4119776AVinyl phthalide color formersNCR CO·Filed 1977·Granted Oct 10, 1978·20 cites·10 claims
- 0773US4242513ALactone compounds containing a heterocyclic radicalAPPLETON PAPER INC·Filed 1979·Granted Dec 30, 1980·8 cites·21 claims
- 0866US4016174ABenzoindole phthalidesNCR CO·Filed 1975·Granted Apr 5, 1977·5 cites·4 claims
- 0962US4020068AChromogenic furoquinoxalinesNCR CO·Filed 1975·Granted Apr 26, 1977·15 cites·6 claims
- 1061US4275206ALactone compounds containing an indolizine radicalAPPLETON PAPER INC·Filed 1980·Granted Jun 23, 1981·9 cites·7 claims
- 1130US4232887ALactone compounds containing an indolizine radicalAPPLETON PAPER INC·Filed 1979·Granted Nov 11, 1980·1 cites·83 claims
- 1230US4035393AChromogenic derivatives of bis-1,1-disubstituted ethylene and a process for preparing themNCR CO·Filed 1975·Granted Jul 12, 1977·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →