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Valentino L. DeVito
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Pittsburgh, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Use of water-soluble polymer complexes in aqueous systems
Patent number
8,021,516
Issue date
Sep 20, 2011
WSP Chemicals & Technology, LLC
Shih-Ruey T. Chen
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Methods of treating keratin based substrates
Patent number
7,754,794
Issue date
Jul 13, 2010
WSP Chemical & Technology, LLC
Shih-Ruey T Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Use of water-soluble polymer complexes in aqueous systems
Patent number
7,514,007
Issue date
Apr 7, 2009
WSP Chemicals & Technology, LLC
Shih-Ruey T. Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Compositions for treating subterranean zones penetrated by well bores
Patent number
7,087,556
Issue date
Aug 8, 2006
WSP Chemicals & Technology, LLC
Shih-Ruey T. Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-soluble polymer complexes
Patent number
7,001,953
Issue date
Feb 21, 2006
WSP Chemicals & Technology, LLC
Shih-Ruey T. Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cosmetic compositions containing water-soluble polymer complexes
Patent number
6,939,536
Issue date
Sep 6, 2005
WSP Chemicals & Technology, LLC
Shih-Ruey T. Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Methods of treating subterranean zones penetrated by well bores
Patent number
6,767,867
Issue date
Jul 27, 2004
Halliburton Energy Services, Inc.
Jiten Chatterji
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
USE OF WATER-SOLUBLE POLYMER COMPLEXES IN AQUEOUS SYSTEMS
Publication number
20090188639
Publication date
Jul 30, 2009
WSP CHEMICALS & TECHNOLOGY, LLC
Shih-Ruey T. Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Methods of treating keratin based substrates
Publication number
20060002879
Publication date
Jan 5, 2006
WSP Chemicals & Technology, LLC
Shih-Ruey T. Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Use of water-soluble polymer complexes in aqueous systems
Publication number
20050183837
Publication date
Aug 25, 2005
WSP Chemicals & Technology, LLC
Shih-Ruey T. Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Methods of treating subterranean zones penetrated by well bores
Publication number
20030083204
Publication date
May 1, 2003
Jiten Chatterji
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Cosmetic compositions containing water-soluble polymer complexes
Publication number
20030064044
Publication date
Apr 3, 2003
Shih-Ruey T. Chen
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Compositions for treating subterranean zones penetrated by well bores
Publication number
20030008779
Publication date
Jan 9, 2003
Shih-Ruey T. Chen
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Water-soluble polymer complexes
Publication number
20020188040
Publication date
Dec 12, 2002
Shih-Ruey T. Chen
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE