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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 11078601 B1

PDFFull Text
Date of Patent:
Aug. 03, 2021

Filed:

Feb. 13, 2018

Compositions and methods for gel spinning of polyamides

Applicant:

Advansix Resins & Chemicals Llc, Parsippany, NJ (US);

Inventors:

Terry Chern, Colonial Heights, VA (US);

Nathan Heldenbrand, Chester, VA (US);

Yue Hu, Glen Allen, VA (US);

John A. Young, Midlothian, VA (US);

David J. Loy, Richmond, VA (US);

James A. Kweeder, Chesterfield, VA (US);

Assignee:

AdvanSix Resins & Chemicals LLC, Parsippany, NJ (US);

Attorney:

Faegre Drinker Biddle & Reath LLP

Primary Examiner:

Hui H Chin

Int. Cl.
CPC ...
D01D 5/06 (2006.01); C08G 69/14 (2006.01); C08J 3/09 (2006.01); C08J 3/11 (2006.01); D01D 1/02 (2006.01); D01F 1/02 (2006.01); D01F 6/60 (2006.01);
U.S. Cl.
CPC ...
D01D 5/06 (2013.01); C08G 69/14 (2013.01); C08J 3/096 (2013.01); C08J 3/11 (2013.01); D01D 1/02 (2013.01); D01F 1/02 (2013.01); D01F 6/60 (2013.01);
Abstract

A composition for forming a fiber includes at least one polyamide and caprolactam. The at least one polyamide has a number average molecular weight between 38,000 Da and 100,000 Da. The polyamide is at least partially dissolved in the caprolactam. The caprolactam comprises between 20 wt. % and 90 wt. % of the composition.

Find Patent Forward Citations

Chern, Terry. (2021). Compositions and methods for gel spinning of polyamides (U.S. Patent No. 11078601). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11078601

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

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