Inventor · disambiguated record

Friedrich Weingarten

Also filed as: WEINGARTEN FRIEDRICH · WEINGARTEN FRIEDRICH W · WEINGARTEN FRIEDRICH WILHELM

4 granted patents·23 citations·filing 1976–1982

72Inventor score

Technology areasC09B

Files withHOECHST AG4

Top patents by PatentIndex Score

4 records

0179US4370269AMonoazo pigment derived from acetoacetylamino benzimidazoloneHOECHST AG·Filed 1976·Granted Jan 25, 1983·11 cites·1 claims
0268US4476052AAzo pigment having improved hiding power and a process for its preparationHOECHST AG·Filed 1982·Granted Oct 9, 1984·8 cites·18 claims
0350US4056553A3-Amino-4-carboalkoxy-benzoic acid 4'-phenoxy-anilidesHOECHST AG·Filed 1976·Granted Nov 1, 1977·3 cites·8 claims
0437US4056522AAzo compounds deriving from 3-amino-4-lower carboalkoxy-benzoic acid-4'-phenoxy anilides and 2-hydroxy-3-naphthoic acid-4'-benzoylamino anilidesHOECHST AG·Filed 1976·Granted Nov 1, 1977·1 cites·10 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →