Chen Yun

Person

Krefeld, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Vinylcyclohexane-based polymers
- Patent number 6,649,723
- Issue date Nov 18, 2003
- Bayer Aktiengesellschaft
- Volker Wege
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Vinylcyclohexane-based block copolymers
- Patent number 6,492,468
- Issue date Dec 10, 2002
- Bayer Aktiengesellschaft
- Yun Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
(Co)polymers based on vinyl units and use thereof in electrolumines...
- Patent number 6,403,239
- Issue date Jun 11, 2002
- Bayer AG
- Yun Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Amorphous vinyl cyclohexane polymers
- Patent number 6,365,694
- Issue date Apr 2, 2002
- Bayer Aktiengesellschaft
- Volker Wege
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Mixtures of cyclic oligocarbonates, their production and use
- Patent number 6,297,346
- Issue date Oct 2, 2001
- Bayer Aktiengesellschaft
- Burkhard Köhler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolymers based on vinyl units and use thereof in electroluminesce...
- Patent number 6,248,457
- Issue date Jun 19, 2001
- Bayer AG
- Yun Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Mixtures of cyclic oligocarbonates, their production and use
- Patent number 6,156,871
- Issue date Dec 5, 2000
- Bayer Aktiengesellschaft
- Burkhard Kohler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Copolymers based on vinyl units and their use in electroluminescent...
- Patent number 6,114,463
- Issue date Sep 5, 2000
- Bayer AG
- Yun Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
(Co)polymers based on vinyl units and use thereof in electrolumines...
- Patent number 6,075,106
- Issue date Jun 13, 2000
- D-51368 Bayer AG
- Yun Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Transparent materials consisting of hydrogenated products of ring-o...
- Patent number 5,990,246
- Issue date Nov 23, 1999
- Bayer AG
- Yun Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of hydrogenated ring-opened metathesis p...
- Patent number 5,932,664
- Issue date Aug 3, 1999
- Bayer AG
- Yun Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
(CO) polymers based on vinyl units and use thereof in electrolumine...
- Patent number 5,905,128
- Issue date May 18, 1999
- Bayer AG
- Yun Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
(Co)polymers based on vinyl units and use thereof in electrolumines...
- Patent number 5,891,975
- Issue date Apr 6, 1999
- Bayer Aktiengesellschaft
- Yun Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
(Co)polymers based on vinyl units and use thereof in electrolumines...
- Patent number 5,807,945
- Issue date Sep 15, 1998
- Bayer AG
- Yun Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Mixtures of cyclic oligocarbonates and their manufacture
- Patent number 5,786,440
- Issue date Jul 28, 1998
- Bayer Aktiengesellschaft
- Burkhard Kohler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Coumarin derivatives, a method of preparing them and their use as i...
- Patent number 5,650,456
- Issue date Jul 22, 1997
- Bayer Aktiengesellschaft
- Chen Yun
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Polymers based on vinylcyclohexane
- Publication number 20040072980
- Publication date Apr 15, 2004
- Volker Wege
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
(Co)polymers based on vinyl units and use thereof in electrolumines...
- Publication number 20010026879
- Publication date Oct 4, 2001
- Yun Chen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Person

Patents Grantslast 30 patents

Vinylcyclohexane-based polymers

Vinylcyclohexane-based block copolymers

(Co)polymers based on vinyl units and use thereof in electrolumines...

Amorphous vinyl cyclohexane polymers

Mixtures of cyclic oligocarbonates, their production and use

Copolymers based on vinyl units and use thereof in electroluminesce...

Mixtures of cyclic oligocarbonates, their production and use

Copolymers based on vinyl units and their use in electroluminescent...

(Co)polymers based on vinyl units and use thereof in electrolumines...

Transparent materials consisting of hydrogenated products of ring-o...

Process for the production of hydrogenated ring-opened metathesis p...

(CO) polymers based on vinyl units and use thereof in electrolumine...

(Co)polymers based on vinyl units and use thereof in electrolumines...

(Co)polymers based on vinyl units and use thereof in electrolumines...

Mixtures of cyclic oligocarbonates and their manufacture

Coumarin derivatives, a method of preparing them and their use as i...

Patents Applicationslast 30 patents

Polymers based on vinylcyclohexane

(Co)polymers based on vinyl units and use thereof in electrolumines...