Michael Kostrzewa

Person

Wiesbaden, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for purifying aqueous distillation residues during the trea...
- Patent number 4,672,113
- Issue date Jun 9, 1987
- Hoechst Aktiengesellschaft
- Heinz Wallisch
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of producing hydrophilic articles of water-insoluble polymers
- Patent number 4,200,558
- Issue date Apr 29, 1980
- Hoechst Aktiengesellschaft
- Arno Holst
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of making hydrophilic articles of water-insoluble polymers
- Patent number 4,194,024
- Issue date Mar 18, 1980
- Hoechst Aktiengesellschaft
- Arno Holst
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hydrophilic articles of water-insoluble polymers
- Patent number 4,186,238
- Issue date Jan 29, 1980
- Hoechst Aktiengesellschaft
- Arno Holst
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cigarette filter
- Patent number 4,171,705
- Issue date Oct 23, 1979
- Hoechst Aktiengesellschaft
- Arno Holst
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Process for the improvement of the water-absorbing capacity and the...
- Patent number 4,136,218
- Issue date Jan 23, 1979
- Hoechst Aktiengesellschaft
- Ehrenfried Nischwitz
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the manufacture of absorbent, modified starch ethers an...
- Patent number 4,117,222
- Issue date Sep 26, 1978
- Hoechst Aktiengesellschaft
- Arno Holst
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the preparation of polyhydroxy methylene ethers and ion...
- Patent number 4,111,858
- Issue date Sep 5, 1978
- Hoechst Aktiengesellschaft
- Michael Kostrzewa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Michael Kostrzewa

Person

Patents Grantslast 30 patents

Process for purifying aqueous distillation residues during the trea...

Method of producing hydrophilic articles of water-insoluble polymers

Method of making hydrophilic articles of water-insoluble polymers

Hydrophilic articles of water-insoluble polymers

Cigarette filter

Process for the improvement of the water-absorbing capacity and the...

Process for the manufacture of absorbent, modified starch ethers an...

Process for the preparation of polyhydroxy methylene ethers and ion...