Helmut Linhart

Person

Reinach, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Enhancement of the storage stability of organic phosphites and phos...
- Patent number 5,856,550
- Issue date Jan 5, 1999
- Ciba Specialty Chemicals Corporation
- Helmut Linhart
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Enhancing the storage stability of organic phosphites and phosphonites
- Patent number 5,840,954
- Issue date Nov 24, 1998
- Ciba Specialty Chemicals Corporation
- Udo Quotschalla
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Trivalent phosphorus compounds stabilized with amines
- Patent number 5,534,645
- Issue date Jul 9, 1996
- Ciba-Geigy Corporation
- Udo Quotschalla
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for stabilizing trivalent phosphorus compounds with amines
- Patent number 5,371,263
- Issue date Dec 6, 1994
- Ciba-Geigy Corporation
- Udo Quotschalla
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stabilized polypropylene
- Patent number 4,778,840
- Issue date Oct 18, 1988
- Ciba-Geigy Corporation
- Helmut Linhart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stabilization systems from triarylphosphites and phenols
- Patent number 4,290,941
- Issue date Sep 22, 1981
- Ciba-Geigy Corporation
- Horst Zinke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilization systems from triarylphosphites and phenols
- Patent number 4,187,212
- Issue date Feb 5, 1980
- Ciba-Geigy Corporation
- Horst Zinke
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Reaction product of mercaptans, alkylene oxides and glycidol
- Patent number 3,988,378
- Issue date Oct 26, 1976
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Anti-static modified thermoplastics
- Patent number 3,936,422
- Issue date Feb 3, 1976
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY

Helmut Linhart

Person

Patents Grantslast 30 patents

Enhancement of the storage stability of organic phosphites and phos...

Enhancing the storage stability of organic phosphites and phosphonites

Trivalent phosphorus compounds stabilized with amines

Process for stabilizing trivalent phosphorus compounds with amines

Stabilized polypropylene

Stabilization systems from triarylphosphites and phenols

Stabilization systems from triarylphosphites and phenols

Reaction product of mercaptans, alkylene oxides and glycidol

Anti-static modified thermoplastics