Inventor · disambiguated record
Ludwig Friedrich
Also filed as: FRIEDRICH LUDWIG
13 granted patents·2 pending applications·100 citations·filing 1975–2023
91Inventor score
Top patents by PatentIndex Score
15 records- 0187US4438131AΩ-Cyano-1, Ω-diphenyl-azaalkane derivatives, their preparation and drugs containing themBASF AG·Filed 1982·Granted Mar 20, 1984·37 cites·15 claims
- 0275US4636504A6-(acylaminoaryl)-3(2H)-pyridazinone derivatives and their useBASF AG·Filed 1984·Granted Jan 13, 1987·12 cites·13 claims
- 0368US4183935ABispidine derivatives, their preparation, and drugs containing sameBASF AG·Filed 1978·Granted Jan 15, 1980·5 cites·15 claims
- 0464US4463007ATriazoloquinazolinones, and compositions and methods for treating allergic disorders with themBASF AG·Filed 1982·Granted Jul 31, 1984·9 cites·11 claims
- 0562US2025243499A1Method of modulating the alkaloid content of tobaccoNICOVENTURES TRADING LTD·Filed 2023·Application pending·0 cites
- 0655US6495842B1Implantation of the radioactive 32P atomsKARLSRUHE FORSCHZENT·Filed 2000·Granted Dec 17, 2002·16 cites·8 claims
- 0754US4517196ATricyclic thiazolyloxamic acids and their derivatives, their preparation, and therapeutic agents containing these compoundsBASF AG·Filed 1982·Granted May 14, 1985·5 cites·5 claims
- 0854US4407810AThiazol-2-yl-oxamic acid derivatives, and therapeutic agents containing these compoundsBASF AG·Filed 1981·Granted Oct 4, 1983·5 cites·8 claims
- 0954US2022248743A1Aerosol generationNICOVENTURES TRADING LTD·Filed 2020·Application pending·0 cites
- 1051US4151277ANon-glycosidic theophylline-sugar derivativesBASF AG·Filed 1978·Granted Apr 24, 1979·4 cites·16 claims
- 1143US4013663AIsoquinoline compoundsKNOLL AG·Filed 1975·Granted Mar 22, 1977·3 cites·27 claims
- 1241US4399139A5,6-Dihydro-11-alkylene-morphanthridin-6-ones, their pharmaceutical compositions and method of useBASF AG·Filed 1982·Granted Aug 16, 1983·2 cites·6 claims
- 1337US4514413AGastric acid secretion inhibiting N-(imidazol-1-ylalkyl)thiourea derivativesBASF AG·Filed 1983·Granted Apr 30, 1985·1 cites·7 claims
- 1435US4873246A6-(acylaminoaryl)-3(2H)-pyridazinone derivatives, and their useBASF AG·Filed 1986·Granted Oct 10, 1989·1 cites·3 claims
- 1530US4477451A5,6-Dihydro-11-methylenemorphanthridin-6-ones, their preparation and drugs containing these compoundsBASF AG·Filed 1983·Granted Oct 16, 1984·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →