Duan; Jiwen F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Duan; Jiwen F..The latest application filed is for "metal sulfate alcohol composition and process therewith".
- Duan; Jiwen F. - Cary NC
- Duan; Jiwen F - Apex NC
- Duan, Jiwen F. - Apex NC
| Patent | Date |
|---|---|
| Metal sulfate alcohol composition and process therewith Grant 7,695,699 - Duan April 13, 2 | 2010-04-13 |
| Continuous Wet Grinding Process App 20090289133 - Duan; Jiwen F. | 2009-11-26 |
| Metal Sulfate Alcohol Composition And Process Therewith App 20090292102 - Duan; Jiwen F. | 2009-11-26 |
| Catalyst composition and process therewith Grant 7,049,376 - Duan May 23, 2 | 2006-05-23 |
| Polyester process Grant 6,998,462 - Duan , et al. February 14, 2 | 2006-02-14 |
| Catalyst composition and process therewith App 20050182237 - Duan, Jiwen F. | 2005-08-18 |
| Catalyst composition and process therewith Grant 6,914,107 - Duan July 5, 2 | 2005-07-05 |
| Polyester process App 20040254330 - Duan, Jiwen F. ; et al. | 2004-12-16 |
| Sulfonated polyester and process therewith App 20040242838 - Duan, Jiwen F. | 2004-12-02 |
| Partially ester-exchanged SIPM and process therewith Grant 6,706,852 - Duan , et al. March 16, 2 | 2004-03-16 |
| Crosslinked polyester copolymers Grant 6,706,842 - Duan March 16, 2 | 2004-03-16 |
| Partially Ester-exchanged Sipm And Process Therewith App 20040006194 - Duan, Jiwen F. ; et al. | 2004-01-08 |
| Composition comprising titanium and process therewith App 20030045672 - Duan, Jiwen F. ; et al. | 2003-03-06 |
| Copolymer comprising isophthalic acid Grant 6,506,853 - Duan January 14, 2 | 2003-01-14 |
| Composition Comprising Titanium And Process Therewith App 20020165336 - Duan, Jiwen F. ; et al. | 2002-11-07 |
| Copolymer comprising isophthalic acid App 20020120094 - Duan, Jiwen F. | 2002-08-29 |
| Process for producing polyester with coated titanium dioxide Grant 6,437,088 - Duan August 20, 2 | 2002-08-20 |
| Catalyst composition and process therewith App 20020098972 - Duan, Jiwen F. | 2002-07-25 |
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