Inventor · disambiguated record
Erich Widmer
Also filed as: WIDMER ERICH
23 granted patents·1 pending application·346 citations·filing 1974–2008
96Inventor score
Top patents by PatentIndex Score
24 records- 0190US3936486AProcess for the production of malonic acid dinitrileLONZA AG·Filed 1974·Granted Feb 3, 1976·58 cites·30 claims
- 0289US4439015ADisubstituted ethanesHOFFMANN LA ROCHE·Filed 1982·Granted Mar 27, 1984·68 cites·20 claims
- 0386US4579973AProcess for the manufacture of cyclohexene derivativesHOFFMANN LA ROCHE·Filed 1985·Granted Apr 1, 1986·22 cites·14 claims
- 0486US4072715AOptically active cyclohexane derivativesHOFFMANN LA ROCHE·Filed 1976·Granted Feb 7, 1978·14 cites·2 claims
- 0585US4283559AProcess for the manufacture of cyclohexene derivativesHOFFMANN LA ROCHE·Filed 1979·Granted Aug 11, 1981·24 cites·2 claims
- 0683US7709657B2Process for the synthesis of organic compoundsNOVARTIS AG·Filed 2006·Granted May 4, 2010·7 cites·10 claims
- 0783US4005145AProcess for the manufacturing of oxo compoundsHOFFMANN LA ROCHE·Filed 1975·Granted Jan 25, 1977·15 cites·15 claims
- 0880US5540917ABiomass lipase inhibitor useful for treating adiposityHOFFMANN LA ROCHE·Filed 1995·Granted Jul 30, 1996·50 cites·5 claims
- 0978US4156100AOptically active cyclohexane derivativesHOFFMANN LA ROCHE·Filed 1977·Granted May 22, 1979·8 cites·1 claims
- 1076US4026949AOptically active cyclohexane derivativesHOFFMANN LA ROCHE·Filed 1976·Granted May 31, 1977·9 cites·1 claims
- 1174US5447953ABiomasses to treat non-human animalsHOFFMANN LA ROCHE·Filed 1994·Granted Sep 5, 1995·29 cites·4 claims
- 1273US3988205AOptically active cyclohexane derivativesHOFFMANN LA ROCHE·Filed 1975·Granted Oct 26, 1976·9 cites·4 claims
- 1366US4095038AOptically active cyclohexane derivativesHOFFMANN LA ROCHE·Filed 1976·Granted Jun 13, 1978·4 cites·3 claims
- 1457US4701540AProcess for carotenoid intermediatesHOFFMANN LA ROCHE·Filed 1984·Granted Oct 20, 1987·5 cites·13 claims
- 1553US5750690AAsymmetric hydrogenation process using ruthenium-diphosphine complexeHOFFMANN LA ROCHE·Filed 1996·Granted May 12, 1998·6 cites·10 claims
- 1650US4661641ASubstituted alkynes useful as intermediates in the synthesis of carotenoidsHOFFMANN LA ROCHE·Filed 1984·Granted Apr 28, 1987·3 cites·11 claims
- 1749US4532358AProcess for the manufacture of 3-hydroxy-2,6,6,-trimethyl-2 cyclohexen-1-oneHOFFMANN LA ROCHE·Filed 1984·Granted Jul 30, 1985·3 cites·15 claims
- 1847US3960966AKetoisophorone manufactureHOFFMANN LA ROCHE·Filed 1975·Granted Jun 1, 1976·10 cites·10 claims
- 1946US2011034530A1Process for the preparation of fipronil and analogues thereofYANG TENG-KUEI·Filed 2008·Application pending·0 cites
- 2045US4323711AProcess for producing cyclohexenesHOFFMANN LA ROCHE·Filed 1980·Granted Apr 6, 1982·2 cites·5 claims
- 2134US5015779AProcess for the manufacture of 4-(2-butenylidene)-3,5,5-trimethyl-2-cyclohexen-1-oneGIVAUDAN CORP·Filed 1989·Granted May 14, 1991·0 cites·9 claims
- 2233US5919956AProcess for the C1 -homologization of protected phorenolROCHE VITAMINS INC·Filed 1997·Granted Jul 6, 1999·0 cites·30 claims
- 2333US5072019AProcess for the manufacture of 4-(2-butenylidene)-3,5,5-trimethyl-2-cyclohexen-1-oneGIVAUDAN CORP·Filed 1991·Granted Dec 10, 1991·0 cites·6 claims
- 2426US4465567AProcess for the manufacture of 3-hydroxy-2-cycloalken-1-one derivativesHOFFMANN LA ROCHE·Filed 1983·Granted Aug 14, 1984·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →