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Lampertheim, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Halogen-containing polymers provided with an antistatic agent
Patent number
6,310,128
Issue date
Oct 30, 2001
Witco Vinyl Additives GmbH
Bruno Hilti
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
1,3-Disubstituted 6-aminouracils for stabilizing halogenated polymers
Patent number
6,274,654
Issue date
Aug 14, 2001
Witco Vinyl Additives GmbH
Wolfgang Wehner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
4-aminopyrimidinones and oxazolidino-4-aminopyrimidinones, process...
Patent number
6,232,375
Issue date
May 15, 2001
Witco Vinyl Additives GmbH
Wolfgang Wehner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyanoacetylureas for stabilizing halogenated polymers
Patent number
6,211,270
Issue date
Apr 3, 2001
Witco Vinyl Additives GmbH
Hans-Helmut Friedrich
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stabiliser combinations for chlorine-containing polymers
Patent number
6,194,494
Issue date
Feb 27, 2001
Witco Vinyl Additives GmbH
Wolfgang Wehner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
NH2-modified 6-aminouracils as stabilizers for halogenated polymers
Patent number
6,174,941
Issue date
Jan 16, 2001
Witco Vinyl Additives GmbH
Wolfgang Wehner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-substituted 6-aminouracils as stabilizers for halogenated polymers
Patent number
6,156,830
Issue date
Dec 5, 2000
Witco Vinyl Additives GmbH
Wolfgang Wehner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Stabilized polyvinyl chloride
Patent number
6,136,900
Issue date
Oct 24, 2000
Witco Vinyl Additives GmbH
Karl Josef Kuhn
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stabilizer system for chlorine-containing polymers
Patent number
6,084,013
Issue date
Jul 4, 2000
Witco Vinyl Additives GmbH
Wolfgang Wehner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stabilizer combination for chlorine-containing polymers
Patent number
6,013,703
Issue date
Jan 11, 2000
Witco Vinyl Additives GmbH
Karl Josef Kuhn
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Pyrrolodiazine derivatives as stabilizers for chilorine-containing...
Patent number
6,002,004
Issue date
Dec 14, 1999
Witco Vinyl Additives GmbH
Wolfgang Wehner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Stabilized polyvinyl chloride containing recycled material
Patent number
5,985,964
Issue date
Nov 16, 1999
Witco Vinyl Additives GmbH
Heinz Herbst
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Monomeric and oligomeric bisphosphites as stabilisers for polyvinyl...
Patent number
5,969,015
Issue date
Oct 19, 1999
Witco Vinyl Additives GmbH
Horst Zinke
C07 - ORGANIC CHEMISTRY