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Christian Fricke
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Berlin, DE
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Patents Grants
last 30 patents
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Patent Grant
Polyadducts produced from nonlinear-optically active copolymers and...
Patent number
6,353,059
Issue date
Mar 5, 2002
Siemens Aktiengesellschaft
Andreas Kanitz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Chromophoric compounds and process for their preparation
Patent number
6,284,889
Issue date
Sep 4, 2001
Siemens Aktiengesellschaft
Andreas Kanitz
G02 - OPTICS
Information
Patent Grant
Nonlinear optically active copolymers
Patent number
6,228,977
Issue date
May 8, 2001
Siemens Aktiengesellschaft
Andreas Kanitz
G02 - OPTICS
Information
Patent Grant
Nonlinear-optically active copolymers, polyadducts produced from th...
Patent number
6,174,961
Issue date
Jan 16, 2001
Siemens Aktiengesellschaft
Andreas Kanitz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Nonlinear-optically active copolymers, polymer materials produced f...
Patent number
6,126,867
Issue date
Oct 3, 2000
Siemens Aktiengesellschaft
Andreas Kanitz
G02 - OPTICS
Information
Patent Grant
Method and apparatus for quickly controlling the output of a power...
Patent number
5,914,537
Issue date
Jun 22, 1999
Siemens Aktiengesellschaft
Oldrich Zaviska
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
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Patent Application
Polyadducts produced from nonlinear-optically active copolymers and...
Publication number
20010053818
Publication date
Dec 20, 2001
Siemens Aktiengesellschaft
Andreas Kanitz
G02 - OPTICS