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Hartwig Höcker
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Aachen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Alkaline cell or battery
Patent number
7,407,728
Issue date
Aug 5, 2008
Carl Freudenberg KG
Wolffried Wenneis
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Oligomeric and polymeric telechelics
Patent number
6,800,708
Issue date
Oct 5, 2004
Bayer Aktiengesellschaft
Martin Melchiors
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Functionalized alkoxyamine initiators
Patent number
6,632,895
Issue date
Oct 14, 2003
Bayer Aktiengesellschaft
Martin Melchiors
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Oligomeric and polymeric telechelics
Patent number
6,573,346
Issue date
Jun 3, 2003
Bayer Aktiengesellschaft
Martin Melchiors
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of telechelic polymers, telechelic polym...
Patent number
6,455,645
Issue date
Sep 24, 2002
Bayer Aktiengesellschaft
Martin Melchiors
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Block copolymers with sulfonated polyether sulfone units
Patent number
6,451,921
Issue date
Sep 17, 2002
Membrana GmbH
Hilmar Weisse
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymers having spiro orthoester groups, process of manufacturing a...
Patent number
6,258,895
Issue date
Jul 10, 2001
The Procter & Gamble Company
Manfred Zamzow
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polyacrylates having a low content of residua...
Patent number
5,973,107
Issue date
Oct 26, 1999
Bayer Aktiengesellschaft
Dieter Margotte
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Silane coated inorganic materials for chromatography
Patent number
5,162,155
Issue date
Nov 10, 1992
Merck Patent Gesellschaft mit beschraenkter Haftung
Heinz Berndt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Crosslinked copolymers based on cyclic esters and carbonates
Patent number
5,116,918
Issue date
May 26, 1992
Bayer Aktiengesellschaft
Hartwig Hocker
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic block copolymers based on cyclic carbonates or esters
Patent number
5,071,921
Issue date
Dec 10, 1991
Bayer Aktiengesellschaft
Herbert Eichenauer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric dihydroxy compounds and their use as stabilizers for poly...
Patent number
4,859,731
Issue date
Aug 22, 1989
Bayer Aktiengesellschaft
Herbert Eichenauer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
New polysiloxane block copolymers
Patent number
4,826,946
Issue date
May 2, 1989
Bayer Aktiengesellschaft
Herbert Eichenauer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cellulose ester moulding materials with improved toughness
Patent number
4,801,632
Issue date
Jan 31, 1989
Bayer Akteingesellschaft
Herbert Eichenauer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
New rubber polymers with block-like structure
Patent number
4,769,417
Issue date
Sep 6, 1988
Bayer Aktiengesellschaft
Herbert Eichenauer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of linear aliphatic polycarbonate from...
Patent number
4,754,017
Issue date
Jun 28, 1988
Bayer Aktiengesellschaft
Edgar Leitz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polysiloxane block copolymers
Patent number
4,699,967
Issue date
Oct 13, 1987
Bayer Aktiengesellschaft
Herbert Eichenauer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Oligomeric and polymeric telechelics
Publication number
20030208021
Publication date
Nov 6, 2003
Martin Melchiors
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Alkaline cell or battery
Publication number
20030049539
Publication date
Mar 13, 2003
Wolffried Wenneis
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PROCESS FOR THE PRODUCTION OF TELECHELIC SUBSTANCES, TELECHELIC SUB...
Publication number
20020103320
Publication date
Aug 1, 2002
MARTIN MELCHIORS
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Block copolymers with sulfonated polyether sulfone units
Publication number
20010021764
Publication date
Sep 13, 2001
Hilmar Weisse
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL