Jan-Erik Nystrom

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Kista, SE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of aminoalkylguanidines
- Patent number 5,659,071
- Issue date Aug 19, 1997
- Astra Aktiebolag
- Jan-Erik Nystrom
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of cyclic sulfonium salts
- Patent number 5,525,736
- Issue date Jun 11, 1996
- Ciba-Geigy Corporation
- Jan-Erik Nystrom
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrazoleamidine compounds
- Patent number 5,498,724
- Issue date Mar 12, 1996
- Aktiebolaget Astra
- Jan-Erik Nystrom
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Initiators for polymerization
- Patent number 5,223,591
- Issue date Jun 29, 1993
- Ciba-Geigy Corporation
- Johan Nyander
- C07 - ORGANIC CHEMISTRY