Helmut Schlaf

Person

Kelkheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of polyacetals
- Patent number 5,608,030
- Issue date Mar 4, 1997
- Hoechst Aktiengesellschaft
- Michael Hoffmockel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of pure trioxane
- Patent number 5,401,859
- Issue date Mar 28, 1995
- Hoechst AG
- Karl Muck
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Toughened polyoxymethylene and shaped articles produced therefrom
- Patent number 5,266,633
- Issue date Nov 30, 1993
- Hoechst Aktiengesellschaft
- Karlheinz Burg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic polyoxymethylene molding composition of high toughnes...
- Patent number 5,256,733
- Issue date Oct 26, 1993
- Hoechst Aktiengesellschaft
- Dietrich Fleischer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Toughened polyoxymethylene and shaped articles produced therefrom
- Patent number 5,047,471
- Issue date Sep 10, 1991
- Hoechst Aktiengesellschaft
- Karlheinz Burg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Toughened polyoxymethylene and shaped articles produced therefrom
- Patent number 5,039,741
- Issue date Aug 13, 1991
- Hoechst Aktiengesellschaft
- Karlheinz Burg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of granular oxymethylene polymers havin...
- Patent number 4,195,158
- Issue date Mar 25, 1980
- Hoechst Aktiengesellschaft
- Karlheinz Burg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing oxymethylene polymers in a granular form
- Patent number 4,151,346
- Issue date Apr 24, 1979
- Hoechst Aktiengesellschaft
- Gunter Sextro
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the manufacture of coarse-granular oxymethylene polymers
- Patent number 4,111,912
- Issue date Sep 5, 1978
- Hoechst Aktiengesellschaft
- Gunter Sextro
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Helmut Schlaf

Person

Patents Grantslast 30 patents

Process for the preparation of polyacetals

Process for the preparation of pure trioxane

Toughened polyoxymethylene and shaped articles produced therefrom

Thermoplastic polyoxymethylene molding composition of high toughnes...

Toughened polyoxymethylene and shaped articles produced therefrom

Toughened polyoxymethylene and shaped articles produced therefrom

Process for the preparation of granular oxymethylene polymers havin...

Process for preparing oxymethylene polymers in a granular form

Process for the manufacture of coarse-granular oxymethylene polymers