Inventor · disambiguated record
Ian D. Entwistle
Also filed as: ENTWISTLE IAN D
8 granted patents·34 citations·filing 1973–1986
83Inventor score
Top patents by PatentIndex Score
8 records- 0174US4520007AAnti-coagulants of the 4-hydroxycoumarin type and rodenticidal compositions (baits) comprising such anti-coagulantsSHELL OIL CO·Filed 1983·Granted May 28, 1985·9 cites·13 claims
- 0268US4211727AReduction of carboxylic acid halides to aldehydesSHELL OIL CO·Filed 1979·Granted Jul 8, 1980·7 cites·7 claims
- 0368US4131449APropanimidothioic acid derivativesSHELL OIL CO·Filed 1977·Granted Dec 26, 1978·7 cites·9 claims
- 0467US4748185A4-hydroxycoumarin derivativesDU PONT·Filed 1986·Granted May 31, 1988·8 cites·8 claims
- 0546US4193789AHerbicidal derivatives of N-alkylpropanamidesSHELL OIL CO·Filed 1979·Granted Mar 18, 1980·2 cites·7 claims
- 0642US4218239AHerbicidal esters of N-alkylpropanamidesSHELL OIL CO·Filed 1979·Granted Aug 19, 1980·1 cites·7 claims
- 0733US4166734AHerbicidal derivatives of N-alkylpropanamidesSHELL OIL CO·Filed 1978·Granted Sep 4, 1979·0 cites·7 claims
- 0831US3952003ACertain benzotriazole-4,7-dione derivativesSHELL OIL CO·Filed 1973·Granted Apr 20, 1976·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →