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Anne Witte
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Greven, DE
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last 30 patents
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Patent Grant
Halogen-free, pentane-blown, flame-retardant rigid polyurethane foa...
Patent number
6,593,385
Issue date
Jul 15, 2003
Clariant GmbH
Anne Witte
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Halogen-free, water-blown, flame-retardant rigid polyurethane foam...
Patent number
6,518,325
Issue date
Feb 11, 2003
Clariant GmbH
Anne Witte
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Halogen-free, flame-retardant rigid polyurethane foam and a process...
Patent number
6,472,448
Issue date
Oct 29, 2002
Clariant GmbH
Anne Witte
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
Halogen-free, flame-retardant rigid polyurethane foam and a process...
Publication number
20010036973
Publication date
Nov 1, 2001
Clariant GmbH
Anne Witte
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Halogen-free, water-blown, flame-retardant rigid polyurethane foam...
Publication number
20010034377
Publication date
Oct 25, 2001
Clariant GmbH
Anne Witte
C07 - ORGANIC CHEMISTRY
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Patent Application
Halogen-free, pentane-blown, flame-retardant rigid polyurethane foa...
Publication number
20010034388
Publication date
Oct 25, 2001
Clariant GmbH
Anne Witte
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...