Inventor · disambiguated record
Gerd Fischer
Also filed as: FISCHER GERD
12 granted patents·44 citations·filing 1990–1995
88Inventor score
Files withHOECHST AG12
Top patents by PatentIndex Score
12 records- 0172US5461043ADiastereomers of 1-(isopropoxycarbonyloxy)ethyl 3-cephem-4-carboxylateHOECHST AG·Filed 1992·Granted Oct 24, 1995·10 cites·12 claims
- 0261US5100887ACephalosporin derivativesHOECHST AG·Filed 1990·Granted Mar 31, 1992·15 cites·11 claims
- 0360US5550232ADiastereomers of 1-(isopropoxycarbonyloxy) ethyl 3-cephem 4-carboxylateHOECHST AG·Filed 1995·Granted Aug 27, 1996·6 cites·6 claims
- 0444US5594133ACrystalline acid addition salts of diastereomerically pure 1-(2,2-dimethylpropinonyloxy)-ethyl-3-cephem-4-carboxylateHOECHST AG·Filed 1995·Granted Jan 14, 1997·2 cites·10 claims
- 0543US5637721AProcess for the preparation of cephem prodrug estersHOECHST AG·Filed 1995·Granted Jun 10, 1997·5 cites·3 claims
- 0640US5589594AProcess for the preparation of cephem prodrug estersHOECHST AG·Filed 1993·Granted Dec 31, 1996·3 cites·5 claims
- 0732US5556850ACrystalline acid addition salts of diastereomerically pure 1-(2,2-dimethyl-propionyloxy)-ethyl-3-cephem-4-carboxylateHOECHST AG·Filed 1995·Granted Sep 17, 1996·0 cites·4 claims
- 0832USRE34865ECephalosporin derivativesHOECHST AG·Filed 1992·Granted Feb 21, 1995·1 cites·2 claims
- 0932US5198544AProcess for the preparation of penem compoundsHOECHST AG·Filed 1991·Granted Mar 30, 1993·1 cites·3 claims
- 1031US5410042AProcess for the cleavage of cephalosporin prodrug esters to 7-amino-3-methoxymethylceph-3-em-4-carboxylic acidHOECHST AG·Filed 1993·Granted Apr 25, 1995·0 cites·4 claims
- 1131US5306717ACephalosporin derivativesHOECHST AG·Filed 1992·Granted Apr 26, 1994·1 cites·7 claims
- 1228US5614623ADiastereomers of 1-(isopropoxycarbonyloxy)ethyl 3-cephem-4-carboxylate and processes for their preparationHOECHST AG·Filed 1995·Granted Mar 25, 1997·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →