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Lydia Drews-Nicolai
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Koln, DE
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last 30 patents
Information
Patent Grant
Titanium dioxide pigment particles with doped, dense SiO2 skin and...
Patent number
7,988,780
Issue date
Aug 2, 2011
Kronos International Inc
Siegfried Bluemel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Titanium dioxide pigment particles with doped, dense SiO2 skin and...
Patent number
7,905,953
Issue date
Mar 15, 2011
Kronos International Inc
Siegfried Bluemel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
High opacity TiO2 pigment and production method
Patent number
7,842,131
Issue date
Nov 30, 2010
Kronos International Inc
Siegfried Blümel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Titanium dioxide pigment particles with doped, dense SiO2 skin and...
Patent number
7,763,110
Issue date
Jul 27, 2010
Kronos International Inc
Siegfried Bluemel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Weather resistant titanium dioxide pigment and a process for its pr...
Patent number
7,682,441
Issue date
Mar 23, 2010
Kronos International, Inc.
Lydia Drews-Nicolai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for the surface treatment of a titanium dioxide pigment
Patent number
7,166,157
Issue date
Jan 23, 2007
Kronos International Inc
Lydia Drews-Nicolai
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for the surface treatment of a titanium dioxide pigment
Patent number
7,147,702
Issue date
Dec 12, 2006
Kronos International
Lydia Drews-Nicolai
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for the post-treatment of titanium dioxide pigments
Patent number
7,135,065
Issue date
Nov 14, 2006
Kronos International
Lydia Drews-Nicolai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Titanium dioxide pigment particles with doped, dense SiO2 skin and...
Publication number
20100282128
Publication date
Nov 11, 2010
Kronos International Inc.
Siegfried Blumel
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Surface-Treated Titanium Dioxide Pigments for Plastics and Method f...
Publication number
20100125117
Publication date
May 20, 2010
Lydia Drews-Nicolai
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Titanium dioxide pigment particles with doped, dense SiO2 skin and...
Publication number
20070175364
Publication date
Aug 2, 2007
Kronos International Inc.
Siegfried Blumel
C01 - INORGANIC CHEMISTRY
Information
Patent Application
High opacity TiO2 pigment and production method
Publication number
20070175363
Publication date
Aug 2, 2007
Kronos International Inc.
Siegfried Blumel
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Titanium dioxide pigment particles with doped, dense SiO2 skin and...
Publication number
20070175365
Publication date
Aug 2, 2007
Kronos International Inc.
Lydia Drews-Nicolai
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Weather resistant titanium dioxide pigment and a process for its pr...
Publication number
20060032402
Publication date
Feb 16, 2006
Kronos International Inc.
Lydia Drews-Nicolai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for the post-treatment of titanium dioxide pigments
Publication number
20060034739
Publication date
Feb 16, 2006
Kronos International Inc.
Lydia Drews-Nicolai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for the surface treatment of a titanium dioxide pigment
Publication number
20050011408
Publication date
Jan 20, 2005
Kronos International Inc.
Lydia Drews-Nicolai
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Method for the surface treatment of a titanium dioxide pigment
Publication number
20040025749
Publication date
Feb 12, 2004
Kronos International Inc.
Lydia Drews-Nicolai
C01 - INORGANIC CHEMISTRY