Helena Austermuhle-Bertola

Follow

Person

Amsterdam, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Preparation of cyano-substituted cyclopropane derivatives
- Patent number 4,211,720
- Issue date Jul 8, 1980
- Shell International Research Maatschappij B.V.
- Helena Austermuhle-Bertola
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of cyclopropanecarbonitriles
- Patent number 4,174,348
- Issue date Nov 13, 1979
- Shell Internationale Research Maatschappij B.V.
- Petrus A. Kramer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of esters
- Patent number 4,174,347
- Issue date Nov 13, 1979
- Shell Internationale Research Maatschappij B.V.
- Helena Austermuhle-Bertola
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of cyclobutanones
- Patent number 4,028,418
- Issue date Jun 7, 1977
- Shell Oil Company
- Marinus J. van den Brink