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Richard S. Cardinal
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Minneapolis, MN, US
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Patents Grants
last 30 patents
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Patent Grant
Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and fi...
Patent number
8,141,716
Issue date
Mar 27, 2012
Donaldson Company, Inc.
Ismael Ferrer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and fi...
Patent number
7,910,003
Issue date
Mar 22, 2011
Donaldson Company, Inc.
Ismael Ferrer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and fi...
Patent number
7,641,055
Issue date
Jan 5, 2010
Donaldson Company, Inc.
Ismael Ferrer
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
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Patent Application
Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and fi...
Publication number
20110135901
Publication date
Jun 9, 2011
Donaldson Company, Inc.
Ismael Ferrer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and fi...
Publication number
20100018934
Publication date
Jan 28, 2010
Donaldson Company, Inc.
Ismael Ferrer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and fi...
Publication number
20070102372
Publication date
May 10, 2007
Ismael Ferrer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL