Pyrophosphinic acids; Phosphinic acid anhydrides

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of bis(perfluoroalkyl)phosphinic acid a...
- Patent number 9,163,039
- Issue date Oct 20, 2015
- Merck Patent GmbH
- Nikolai (Mykola) Ignatyev
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of phosphinic and phosphonic acid anhyd...
- Patent number 4,267,125
- Issue date May 12, 1981
- Hoechst Aktiengesellschaft
- Walter Dursch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alkane-bisalkyl-phosphinic anhydrides and process for the manufactu...
- Patent number 4,195,035
- Issue date Mar 25, 1980
- Hoechst Aktiengesellschaft
- Hans-Jerg Kleiner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3689548
- Patent number 3,689,548
- Issue date Sep 5, 1972
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3454684
- Patent number 3,454,684
- Issue date Jul 8, 1969
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3454683
- Patent number 3,454,683
- Issue date Jul 8, 1969
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2727067
- Patent number 2,727,067
- Issue date Dec 13, 1955
- C07 - ORGANIC CHEMISTRY