Biswajit Choudhury

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Kingston, CA

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Patents Grantslast 30 patents

Information Patent Grant
Trifluorostyrene containing compounds, and their use in polymer ele...
- Patent number 7,563,532
- Issue date Jul 21, 2009
- E. I. Du Pont de Nemours and Company
- Biswajit Choudhury
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Graft polymeric membranes and ion-exchange membranes formed therefrom
- Patent number 6,723,758
- Issue date Apr 20, 2004
- Ballard Power Systems Inc.
- Charles Stone
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Trifluorostyrene Containing Compounds, and their Use in Polymer Ele...
- Publication number 20080206624
- Publication date Aug 28, 2008
- Biswajit Choudhury
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Novel sealant material for electrochemical cell components
- Publication number 20060073385
- Publication date Apr 6, 2006
- Peter Andrin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Unitized electrochemical cell sub-assembly and the method of making...
- Publication number 20060073373
- Publication date Apr 6, 2006
- Peter Andrin
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Graft polymeric membranes and ion-exchange membranes formed therefrom
- Publication number 20050049319
- Publication date Mar 3, 2005
- Ballard Power Systems Inc.
- Charles Stone
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Graft polymeric membranes and ion-exchange membranes formed therefrom
- Publication number 20020137806
- Publication date Sep 26, 2002
- Charles Stone
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL