Hermann Fries

Follow

Person

Bergisch-Gladbach, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Phenolic resins using polyamines and polyethers in their production
- Patent number 4,745,172
- Issue date May 17, 1988
- Bayer Aktiengesellschaft
- Thomas Scholl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Resins based on novolaks, their production and their use as tackifiers
- Patent number 4,260,704
- Issue date Apr 7, 1981
- Bayer Aktiengesellschaft
- Manfred Schmidt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of boron-containing phenol-formaldehyde...
- Patent number 4,182,697
- Issue date Jan 8, 1980
- Bayer Aktiengesellschaft
- Manfred Schmidt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Release agents
- Patent number 4,110,119
- Issue date Aug 29, 1978
- Bayer Aktiengesellschaft
- Gunther Boehmke
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL