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:
May. 19, 2020
Filed:
Oct. 05, 2015
Applicant:
Hollingsworth & Vose Company, East Walpole, MA (US);
Inventors:
Stephen T. Cox, Radford, VA (US);
William S. Freeman, Roanoke, VA (US);
Mark S. Millar, Winchcombe, GB;
John A. Wertz, Hollis, NH (US);
Assignee:
Hollingsworth & Vose Company, East Walpole, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/00 (2006.01); B29C 48/05 (2019.01); B01D 39/16 (2006.01); B29C 48/88 (2019.01); B01D 29/00 (2006.01); B01D 29/03 (2006.01); B29C 48/30 (2019.01); B29C 48/345 (2019.01); B29D 99/00 (2010.01);
U.S. Cl.
CPC ...
B01D 39/163 (2013.01); B01D 29/0093 (2013.01); B01D 29/03 (2013.01); B29C 48/05 (2019.02); B29C 48/911 (2019.02); B01D 2239/0622 (2013.01); B01D 2239/10 (2013.01); B01D 2239/1233 (2013.01); B01D 2239/1258 (2013.01); B29C 48/30 (2019.02); B29C 48/345 (2019.02); B29C 2948/92066 (2019.02); B29D 99/0078 (2013.01);
Abstract
Fine fiber products including fiber webs, as well as related assemblies, systems and methods, are described. In some embodiments, fiber webs described herein may include fine fibers and relatively low amounts of degraded polymer formed during a fiber extrusion process. The fiber webs may be used for filter media applications.