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.:

US 8540912 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 24, 2013

Filed:

Oct. 13, 2011
Applicant:

W. Douglas Bates, Wilmington, DE (US);

Inventor:

W. Douglas Bates, Wilmington, DE (US);

Assignee:

E I du Pont de Nemours and Company, Wilmington, DE (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01D 5/088 (2006.01); D01D 5/16 (2006.01); D01F 6/92 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fine denier poly(trimethylene arylate) spun drawn fiber is characterized by high denier uniformity. A process for preparing uniform fine denier yarns at spinning speeds of 4000 to 6000 m/min is further disclosed. The poly(trimethylene arylate) fiber hereof comprises 0.1 to 3% by weight of polystyrene dispersed therewithin. Fabrics prepared therefrom are also disclosed.


Find Patent Forward Citations

Bates, W.. (2013). Process of making poly(trimethylene arylate) fibers (U.S. Patent No. 8540912). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8540912

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…