Inventor · disambiguated record
Marquard Imfeld
Also filed as: IMFELD MARQUARD
3 granted patents·18 citations·filing 1983–1996
67Inventor score
Files withHOFFMANN LA ROCHE3
Top patents by PatentIndex Score
3 records- 0164US4565869ADicarbamatesHOFFMANN LA ROCHE·Filed 1983·Granted Jan 21, 1986·5 cites·4 claims
- 0257US4689427AHydroquinone derivatives useful in the production of vitamin EHOFFMANN LA ROCHE·Filed 1985·Granted Aug 25, 1987·7 cites·16 claims
- 0353US5750690AAsymmetric hydrogenation process using ruthenium-diphosphine complexeHOFFMANN LA ROCHE·Filed 1996·Granted May 12, 1998·6 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →