Douglas E. Betts

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Chapel Hill, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of entraining solid particulates in carbon dioxide fluids
- Patent number 6,224,774
- Issue date May 1, 2001
- The University of North Carolina at Chapel Hill
- Joseph M. DeSimone
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Cleaning process using carbon dioxide as a solvent and employing mo...
- Patent number 5,944,996
- Issue date Aug 31, 1999
- The University of North Carolina at Chapel Hill
- Joseph M. DeSimone
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Cleaning process using carbon dioxide as a solvent and employing mo...
- Patent number 5,866,005
- Issue date Feb 2, 1999
- The University of North Carolina at Chapel Hill
- Joseph M. DeSimone
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Cleaning process using carbon dioxide as a solvent and employing mo...
- Patent number 5,783,082
- Issue date Jul 21, 1998
- University of North Carolina
- Joseph M. DeSimone
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Patents Applicationslast 30 patents

Information Patent Application
Composite membrane having hydrophilic properties and method of manu...
- Publication number 20060205301
- Publication date Sep 14, 2006
- BHA Technologies, Inc.
- Robert J. Klare
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL