Udo Kowalczik

Person

Bochum, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic moulding materials based on polyphenylene ethers and...
- Patent number 5,252,647
- Issue date Oct 12, 1993
- Huels Aktiengesellschaft
- Joachim Mugge
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic molding compound based on modified co-polyphenylene e...
- Patent number 5,144,002
- Issue date Sep 1, 1992
- Huels Aktiengesellschaft
- Udo Kowalczik
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Block copolymers based on polyphenylene ethers and polycondensates,...
- Patent number 5,128,422
- Issue date Jul 7, 1992
- Huels Aktiengesellschaft
- Udo Kowalczik
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyphenylene ether end capped with oxazoline moiety
- Patent number 5,039,781
- Issue date Aug 13, 1991
- Huels Aktiengesellschaft
- Wolfgang Neugebauer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic molding compounds based on functionalized polyphenyle...
- Patent number 5,039,746
- Issue date Aug 13, 1991
- Huels Aktiengesellschaft
- Wolfgang Neugebauer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of 4,4'-dihydroxybiphenyl
- Patent number 4,950,808
- Issue date Aug 21, 1990
- Huels Aktiengesellschaft
- Udo Kowalczik
- C07 - ORGANIC CHEMISTRY

Udo Kowalczik

Person

Patents Grantslast 30 patents

Thermoplastic moulding materials based on polyphenylene ethers and...

Thermoplastic molding compound based on modified co-polyphenylene e...

Block copolymers based on polyphenylene ethers and polycondensates,...

Polyphenylene ether end capped with oxazoline moiety

Thermoplastic molding compounds based on functionalized polyphenyle...

Process for the preparation of 4,4'-dihydroxybiphenyl