Inventor
Jing C. Chang
Inventor
Boothwyn, PA, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D01Fprimary
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons21%
Y10TTechnical subjects covered by former us classification21%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons10%
D02GCrimping or curling fibres, filaments, threads, or yarns9%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
C08LCompositions of macromolecular compounds6%
A47GHousehold or table equipment3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
D04HMaking textile fabrics, e.g. from fibres or filamentary material3%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials3%
PatentTitleYear
8,066,923'Poly(trimethylene terephthalate)/poly(alpha-hydroxy acid) biconstituent filaments'20118,021,736'Substantially flame retardant-free 3GT carpet'20117,855,244'Flame retardant polytrimethylene terephthalate composition'20107,666,501'Poly(trimethylene terephthalate)/poly(alpha-hydroxy acid) bi-constituent filaments'20107,578,957'Process of making staple fibers'20097,196,125'Poly(trimethylene terephthalate) fibers useful in high-UV exposure end uses'20077,147,815'Poly(trimethylene terephthalate) bicomponent fiber process'20067,094,466'3GT/4GT biocomponent fiber and preparation thereof'20067,052,764'Shaped articles comprising poly[(trimethylene-co-dianhydrosugar ester) dicarboxylate] or poly(trimethylene-co-dianhydro-dicarboxylate with improved stability'20067,033,530'Process for preparing poly(trimethylene terephthalate) bicomponent fibers'20067,011,885'Method for high-speed spinning of bicomponent fibers'20066,967,057'Poly(trimethylene dicarboxylate) fibers, their manufacture and use'20056,923,925'Process of making poly (trimethylene dicarboxylate) fibers'20056,921,803'Poly(trimethylene terephthalate) fibers, their manufacture and use'20056,841,245'Method for high-speed spinning of bicomponent fibers'20056,740,276'Process for preparing pigmented shaped articles comprising poly (trimethylene terephthalate)'20046,692,687'Method for high-speed spinning of bicomponent fibers'20046,641,916'Poly(trimethylene terephthalate) bicomponent fibers'20036,331,264'Low emission polymer compositions'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2011Patents assigned to DU PONT (17)· patent assignee history
2001–2006Based in Columbia, SC, US· patent location history
2003–2011Based in Boothwyn, PA, US· patent location history
2005–2006Patents assigned to INVISTA NORTH AMERICA SARL (2)· patent assignee history
2010Based in Garnet Valley, PA, US· patent location history
2011Patents assigned to CHANG JING-CHUNG (1)· patent assignee history
2011Patents assigned to GODWIN RICHARD E (1)· patent assignee history
2011Patents assigned to KURIAN JOSEPH V (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DU PONT | 17 | 2001–2011 |
| INVISTA NORTH AMERICA SARL | 2 | 2005–2006 |
| CHANG JING-CHUNGself | 1 | 2011 |
| GODWIN RICHARD E | 1 | 2011 |
| KURIAN JOSEPH V | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Boothwyn, Pennsylvania, US | 14 | 2003–2011 |
| Columbia, SC, US | 4 | 2001–2006 |
| Garnet Valley, Pennsylvania, US | 1 | 2010 |