Ivan Ernest

Person

Birsfelden, CH

People

Patents Grantslast 30 patents

Information Patent Grant
6-substituted thia-aza compounds
- Patent number 4,952,690
- Issue date Aug 28, 1990
- Ciba-Geigy Corporation
- Jacques Gosteli
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
6-substituted penem compounds
- Patent number 4,692,442
- Issue date Sep 8, 1987
- Ciba-Geigy Corporation
- Jacques Gosteli
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aliphatic thioethers
- Patent number 4,649,215
- Issue date Mar 10, 1987
- Ciba-Geigy Corporation
- Andreas von Sprecher
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the manufacture of optically active azetidinones
- Patent number 4,614,614
- Issue date Sep 30, 1986
- Ciba-Geigy Corporation
- Ivan Ernest
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Monocyclic intermediates for thia-aza compounds with a .beta.-lacta...
- Patent number 4,524,028
- Issue date Jun 18, 1985
- Ciba-Geigy Corporation
- Jacques Gosteli
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azetidinone-4-disulfides as intermediates for thia-aza compounds wi...
- Patent number 4,518,533
- Issue date May 21, 1985
- Ciba-Geigy Corporation
- Jacques Gosteli
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thia-aza compounds with a .beta.-lactam ring
- Patent number 4,515,717
- Issue date May 7, 1985
- Ciba-Geigy Corporation
- Jacques Gosteli
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing thia-aza compounds with a beta-lactam ring
- Patent number 4,500,457
- Issue date Feb 19, 1985
- Ciba-Geigy Corporation
- Jacques Gosteli
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Intermediates for thia-aza compounds with a .beta.-lactam ring
- Patent number 4,447,360
- Issue date May 8, 1984
- Ciba-Geigy Corporation
- Jacques Gosteli
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bicyclic unsaturated thia-aza compounds and 4-acylthio azetidinone...
- Patent number 4,364,865
- Issue date Dec 21, 1982
- Ciba-Geigy Corporation
- Ivan Ernest
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thia-aza compounds with a .beta.-lactam ring
- Patent number 4,331,676
- Issue date May 25, 1982
- Ciba-Geigy Corporation
- Jacques Gosteli
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-Penem compounds
- Patent number 4,070,477
- Issue date Jan 24, 1978
- Ciba-Geigy Corporation
- Ivan Ernest
- C07 - ORGANIC CHEMISTRY

Ivan Ernest

Person

Patents Grantslast 30 patents

6-substituted thia-aza compounds

6-substituted penem compounds

Aliphatic thioethers

Process for the manufacture of optically active azetidinones

Monocyclic intermediates for thia-aza compounds with a .beta.-lacta...

Azetidinone-4-disulfides as intermediates for thia-aza compounds wi...

Thia-aza compounds with a .beta.-lactam ring

Process for preparing thia-aza compounds with a beta-lactam ring

Intermediates for thia-aza compounds with a .beta.-lactam ring

Bicyclic unsaturated thia-aza compounds and 4-acylthio azetidinone...

Thia-aza compounds with a .beta.-lactam ring

2-Penem compounds