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David Ruede
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Northbridge, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Filters employing both acidic polymers and physical-adsorption media
Patent number
RE44536
Issue date
Oct 15, 2013
Entegris, Inc.
Oleg P. Kishkovich
095 - Gas separation: processes
Information
Patent Grant
Filters employing both acidic polymers and physical-adsorption media
Patent number
7,540,901
Issue date
Jun 2, 2009
Entegris, Inc.
Oleg P. Kishkovich
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Reactive gas filter
Patent number
7,132,011
Issue date
Nov 7, 2006
Entegris, Inc.
Carly Shellhammer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filters employing both acidic polymers and physical-adsorption media
Patent number
7,014,693
Issue date
Mar 21, 2006
Mykrolis Corporation
Oleg P. Kishkovich
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Methods using filters employing both acidic polymers and physical-a...
Patent number
6,761,753
Issue date
Jul 13, 2004
Extraction Systems, Inc.
Oleg P. Kishkovich
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Filters employing both acidic polymers and physical-adsorption media
Patent number
6,740,147
Issue date
May 25, 2004
Extraction Systems, Inc.
Oleg P. Kishkovich
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
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Patent Application
Filters employing both acidic polymers and physical-adsorption media
Publication number
20060169139
Publication date
Aug 3, 2006
Extraction Systems, Inc.
Oleg P. Kishkovich
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Filters employing both acidic polymers and physical-adsorption media
Publication number
20050051030
Publication date
Mar 10, 2005
Extraction Systems, Inc.
Oleg P. Kishkovich
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Reactive gas filter
Publication number
20050045039
Publication date
Mar 3, 2005
Extraction Systems, Inc.
Carly Shellhammer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
System and method for monitoring contamination
Publication number
20040023419
Publication date
Feb 5, 2004
Extraction Systems, Inc.
Oleg P. Kishkovich
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Filters employing both acidic polymers and physical-absorption media
Publication number
20020178923
Publication date
Dec 5, 2002
Extraction Systems, Incorporated
Oleg P. Kishovich
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Filters employing both acidic polymers and physical-adsorption media
Publication number
20020078828
Publication date
Jun 27, 2002
Extraction Systems. Inc.
Oleg P. Kishkovich
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL