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:
Jun. 10, 2014
Filed:
Oct. 16, 2009
Applicants:
Larry R Marshall, Chesterfield, VA (US);
Jack Eugene Armantrout, Richmond, VA (US);
Tao Huang, Downingtown, PA (US);
John R. Moore, Lansdale, PA (US);
Neal Pfeiffenberger, Chambersburg, PA (US);
Inventors:
Larry R Marshall, Chesterfield, VA (US);
Jack Eugene Armantrout, Richmond, VA (US);
Tao Huang, Downingtown, PA (US);
John R. Moore, Lansdale, PA (US);
Neal Pfeiffenberger, Chambersburg, PA (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01D 5/18 (2006.01); D06M 10/00 (2006.01); H05B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for forming fibers from a spinning solution utilizing a high speed rotary sprayer. The fibers can be collected into a uniform web for selective barrier end uses. Fibers with an average fiber diameter of less that 1,000 nm can be produced.