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.

Date of Patent:
Jun. 13, 2023

Filed:

Jul. 22, 2022
Applicant:

Ascend Performance Materials Operations Llc, Houston, TX (US);

Inventors:

Wai-shing Yung, Pensacola, FL (US);

Scott E. Osborn, Pensacola, FL (US);

Chris E. Schwier, Pensacola, FL (US);

Vikram Gopal, The Woodlands, TX (US);

Albert Ortega, Pensacola, FL (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/4334 (2012.01); D04H 3/016 (2012.01); D04H 1/56 (2006.01); D04H 3/16 (2006.01); D04H 1/4382 (2012.01); D04H 1/552 (2012.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
D04H 1/4334 (2013.01); D04H 1/43838 (2020.05); D04H 1/552 (2013.01); D04H 1/56 (2013.01); D04H 1/565 (2013.01); D04H 3/016 (2013.01); D04H 3/16 (2013.01); B82Y 40/00 (2013.01);
Abstract

A nanofiber nonwoven product is disclosed which comprises a polyamide with a relative viscosity from 2 to 330, spun into nanofibers with an average diameter of less than 1000 nanometers (1 micron). In general, the inventive products are prepared by: (a) providing a polyamide composition, wherein the polyamide has a relative viscosity from 2 to 330; (b) melt spinning the polyamide composition into a plurality of nanofibers having an average fiber diameter of less than 1 micron, followed by (c) forming the nanofibers into the product.


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