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Rainer Neumann
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Koln, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Bis(4-hydroxyaryl)alkanes
Patent number
6,919,487
Issue date
Jul 19, 2005
Bayer Aktiengesellschaft
Rainer Neumann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bisphenol phenol adducts
Patent number
6,906,227
Issue date
Jun 14, 2005
Bayer Aktiengesellschaft
Rainer Neumann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing bisphenols
Patent number
6,828,465
Issue date
Dec 7, 2004
Bayer Aktiengesellschaft
Rainer Neumann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substance mixture containing bisphenol A
Patent number
6,774,268
Issue date
Aug 10, 2004
Bayer Aktiengesellschaft
Michael Bödiger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for conditioning ion exchangers
Patent number
6,723,881
Issue date
Apr 20, 2004
Bayer Aktiengesellschaft
Michael Bödiger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bisphenol production
Patent number
6,723,885
Issue date
Apr 20, 2004
Bayer Aktiengesellschaft
Frieder Heydenreich
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the production of bisphenol-a
Patent number
6,710,211
Issue date
Mar 23, 2004
Bayer Aktiengesellschaft
Frieder Heydenreich
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Device for exchanging a die plate of a prilling tower and method fo...
Patent number
6,695,991
Issue date
Feb 24, 2004
Bayer Aktiengesellschaft
Rolf Lanze
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method and device for producing bisphenol a prills and bisphenol a...
Patent number
6,689,464
Issue date
Feb 10, 2004
Bayer Aktiengesellschaft
Rolf Lanze
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polycarbonate containers
Patent number
6,682,794
Issue date
Jan 27, 2004
Bayer Aktiengesellschaft
Klaus Horn
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fluidised bisphenol dust
Patent number
6,683,223
Issue date
Jan 27, 2004
Bayer Aktiengesellschaft
Michael Bödiger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Initiation method of a method for producing 2,2-bis(4-hydroxyphenyl...
Patent number
6,590,128
Issue date
Jul 8, 2003
Bayer Aktiengesellschaft
Michael Bödiger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Superparamagnetic bead polymers
Patent number
6,590,094
Issue date
Jul 8, 2003
Bayer Aktiengesellschaft
Kamelia Karlou-Eyrisch
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing bisphenol-A
Patent number
6,414,198
Issue date
Jul 2, 2002
Bayer Aktiengesellschaft
Rolf Lanze
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polycarbonates with a low yellowness index
Patent number
6,395,864
Issue date
May 28, 2002
Bayer Aktiengesellschaft
Steffen Kühling
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for the production of bis(4-hydroxyaryl)alkanes
Patent number
6,384,288
Issue date
May 7, 2002
Bayer Aktiengesellschaft
Steffen Kühling
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing dis(4-hydroxyaryl) alkanes
Patent number
6,316,678
Issue date
Nov 13, 2001
Bayer Aktiengesellschaft
Steffen Kühling
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pseudopeptides with antiviral activity
Patent number
5,646,121
Issue date
Jul 8, 1997
Bayer Aktiengesellschaft
Dieter Habich
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Valine-containing pseudopeptides with antiviral activity
Patent number
5,633,231
Issue date
May 27, 1997
Bayer Aktiengesellschaft
Dieter Habich
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Pseudopeptides having an antiviral action
Patent number
5,492,896
Issue date
Feb 20, 1996
Bayer Aktiengesellschaft
Dieter Habich
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the preparation of benzoyl chloride
Patent number
4,430,181
Issue date
Feb 7, 1984
Bayer Aktiengesellschaft
Rainer Neumann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of polycarbonate from specific crude bisphenols
Patent number
4,371,691
Issue date
Feb 1, 1983
Bayer Aktiengesellschaft
Gerhard Friedhofen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of mixtures of alkylated aromatic hydrox...
Patent number
4,348,542
Issue date
Sep 7, 1982
Bayer Aktiengesellschaft
Volker Serini
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of alkyl aryl ethers
Patent number
4,307,253
Issue date
Dec 22, 1981
Bayer Aktiengesellschaft
Rainer Neumann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of alkyl ethers
Patent number
4,153,810
Issue date
May 8, 1979
Haarmann & Reimer GmbH
Rainer Neumann
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Superparamagnetic pearl polymers
Publication number
20050014027
Publication date
Jan 20, 2005
Kamelia Karlou-Eyrisch
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for producing bisphenols
Publication number
20040030195
Publication date
Feb 12, 2004
Rainer Neumann
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Fluidised bisphenol dust
Publication number
20030144560
Publication date
Jul 31, 2003
Michael Bodiger
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Substance mixture containing bisphenol a
Publication number
20030096939
Publication date
May 22, 2003
Michael Bodiger
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Bisphenol phenol adducts
Publication number
20030038094
Publication date
Feb 27, 2003
Rainer Neumann
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Bis(4-hydroxyaryl) alkanes
Publication number
20020183562
Publication date
Dec 5, 2002
Rainer Neumann
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Superparamagnetic bead polymers
Publication number
20020106659
Publication date
Aug 8, 2002
Kamelia Karlou-Eyrisch
G01 - MEASURING TESTING
Information
Patent Application
Method for the production of bis(4-hydroxyaryl)-alkanes
Publication number
20020055661
Publication date
May 9, 2002
Steffen Kiihling
C07 - ORGANIC CHEMISTRY