The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 27, 2007
Filed:
Jun. 10, 2004
Applicants:
Jing Chung Chang, Boothwyn, PA (US);
Donald P. Nolan, Matthews, NC (US);
Inventors:
Jing Chung Chang, Boothwyn, PA (US);
Donald P. Nolan, Matthews, NC (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/3417 (2006.01); C09B 67/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Dyed poly(trimethylene terephthalate) fibers having a lightfastness of 4 or higher after approximately 480 kJ incident UV radiation, and processes for preparing the fibers, are provided. The fibers are useful in automotive applications and other uses wherein UV absorption is likely.