Friedrich Herold

Person

Hofheim am Taunus, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Hydrophilic, asymmetric, chemically-resistant polyaramide membrane
- Patent number 5,536,408
- Issue date Jul 16, 1996
- Hoechst Aktiengesellschaft
- Reinhard Wagener
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastically processible aromatic polyetheramide from 2,2-bis(...
- Patent number 5,039,779
- Issue date Aug 13, 1991
- Hoechst Aktiengesellschaft
- Harald Cherdron
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Film of aromatic copolyamide from bis(aminophenoxy) benzene
- Patent number 4,981,943
- Issue date Jan 1, 1991
- Hoechst Aktiengesellschaft
- Friedrich Herold
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic copolyether amide which can be processed as a thermoplasti...
- Patent number 4,966,955
- Issue date Oct 30, 1990
- Hoechst Aktiengesellschaft
- Harald Cherdron
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Filament-, fiber- or film-forming aromatic copolyamide from aromati...
- Patent number 4,931,533
- Issue date Jun 5, 1990
- Hoechst Aktiengesellschaft
- Friedrich Herold
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Macroporous, asymmetric, hydrophilic polyaramide membrane
- Patent number 4,891,135
- Issue date Jan 2, 1990
- Hoechst Aktiengesellschaft
- Michael Haubs
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Shaped structure of aromatic copolyamide from aromatic diamine mixture
- Patent number 4,847,354
- Issue date Jul 11, 1989
- Hoechst Aktiengesellschaft
- Gunter Keil
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Friedrich Herold

Person

Patents Grantslast 30 patents

Hydrophilic, asymmetric, chemically-resistant polyaramide membrane

Thermoplastically processible aromatic polyetheramide from 2,2-bis(...

Film of aromatic copolyamide from bis(aminophenoxy) benzene

Aromatic copolyether amide which can be processed as a thermoplasti...

Filament-, fiber- or film-forming aromatic copolyamide from aromati...

Macroporous, asymmetric, hydrophilic polyaramide membrane

Shaped structure of aromatic copolyamide from aromatic diamine mixture