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Rolf Lanze
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Krefeld, 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
Solid particles
Patent number
6,710,152
Issue date
Mar 23, 2004
Bayer Aktiengesellschaft
Rolf Lanze
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing polycarbonate
Patent number
6,706,848
Issue date
Mar 16, 2004
Bayer Aktiengesellschaft
Michael Prein
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
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
Patents Applications
last 30 patents
Information
Patent Application
Method for producing bisphenols
Publication number
20040030195
Publication date
Feb 12, 2004
Rainer Neumann
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
Method for the production of bis(4-hydroxyaryl)-alkanes
Publication number
20020055661
Publication date
May 9, 2002
Steffen Kiihling
C07 - ORGANIC CHEMISTRY