Gerhard Wieners

Person

Frankfurt am Main, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Optical waveguide with polymer core and polymer cladding
- Patent number RE34901
- Issue date Apr 11, 1995
- Hoechst Aktiengesellschaft
- Peter Herbrechtsmeier
- 385 - Optical waveguides
Information Patent Grant
.alpha.-fluoroacrylic acid esters and polymers thereof
- Patent number 5,319,131
- Issue date Jun 7, 1994
- Hoechst Aktiengesellschaft
- Rudolf Heumuller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Transparent thermoplastic molding compound and use thereof
- Patent number 5,301,254
- Issue date Apr 5, 1994
- Hoechst Aktiengesellschaft
- Peter Blickle
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Transplant thermoplastic molding compound made of 2,3-difluoroacryl...
- Patent number 5,283,303
- Issue date Feb 1, 1994
- Hoechst Aktiengesellschaft
- Werner Groh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Transparent thermoplastic molding composition, process for its prep...
- Patent number 5,239,027
- Issue date Aug 24, 1993
- Hoechst Aktiengesellschaft
- Werner Groh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
.alpha.-fluoroacrylic acid esters and polymers thereof
- Patent number 5,198,925
- Issue date Mar 30, 1993
- Hoechst Aktiengesellschaft
- Rudolf Heumuller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Transparent thermoplastic molding composition, process for its prep...
- Patent number 5,187,769
- Issue date Feb 16, 1993
- Hoechst Aktiengesellschaft
- Werner Groh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Transparent thermoplastic molding compound made of 2,3-difluoroacry...
- Patent number 5,175,790
- Issue date Dec 29, 1992
- Hoechst Aktiengesellschaft
- Werner Groh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Core/shell optical waveguides with cores comprising halogenated phe...
- Patent number 5,129,031
- Issue date Jul 7, 1992
- Hoechst Aktiengesellschaft
- Gerhard Wieners
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Transparent polymer material
- Patent number 5,032,654
- Issue date Jul 16, 1991
- Hoechst Aktiengesellschaft
- Gerhard Wieners
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical waveguide
- Patent number 4,991,932
- Issue date Feb 12, 1991
- Hoechst Aktiengesellschaft
- Peter Herbrechtsmeier
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical waveguides
- Patent number 4,986,630
- Issue date Jan 22, 1991
- Hoechst Aktiengesellschaft
- Peter Herbrechtsmeier
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical waveguide
- Patent number 4,984,870
- Issue date Jan 15, 1991
- Hoechst Aktiengesellschaft
- Peter Herbrechtsmeier
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical waveguide with polymer core and polymer cladding
- Patent number 4,979,799
- Issue date Dec 25, 1990
- Hoechst Aktiengesellschaft
- Peter Herbrechtsmeier
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical waveguide with an essentially fluorine-free polymer core an...
- Patent number 4,863,236
- Issue date Sep 5, 1989
- Hoechst Aktiengesellschaft
- Peter Herbrechtsmeier
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

Gerhard Wieners

Person

Patents Grantslast 30 patents

Optical waveguide with polymer core and polymer cladding

.alpha.-fluoroacrylic acid esters and polymers thereof

Transparent thermoplastic molding compound and use thereof

Transplant thermoplastic molding compound made of 2,3-difluoroacryl...

Transparent thermoplastic molding composition, process for its prep...

.alpha.-fluoroacrylic acid esters and polymers thereof

Transparent thermoplastic molding composition, process for its prep...

Transparent thermoplastic molding compound made of 2,3-difluoroacry...

Core/shell optical waveguides with cores comprising halogenated phe...

Transparent polymer material

Optical waveguide

Optical waveguides

Optical waveguide

Optical waveguide with polymer core and polymer cladding

Optical waveguide with an essentially fluorine-free polymer core an...