Inventor · disambiguated record
Helena Austermuhle-Bertola
Also filed as: AUSTERMUHLE-BERTOLA HELENA · KRAMER PETRUS A
4 granted patents·32 citations·filing 1975–1978
74Inventor score
Technology areasC07C
Top patents by PatentIndex Score
4 records- 0176US4028418AProcess for the preparation of cyclobutanonesSHELL OIL CO·Filed 1975·Granted Jun 7, 1977·13 cites·17 claims
- 0273US4174347APreparation of estersSHELL INT RESEARCH·Filed 1978·Granted Nov 13, 1979·11 cites·8 claims
- 0363US4174348APreparation of cyclopropanecarbonitrilesSHELL INT RESEARCH·Filed 1978·Granted Nov 13, 1979·6 cites·7 claims
- 0443US4211720APreparation of cyano-substituted cyclopropane derivativesSHELL INT RESEARCH·Filed 1978·Granted Jul 8, 1980·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →