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:
Mar. 03, 2015
Filed:
Nov. 03, 2011
Applicants:
Christopher M. Bundren, Blacksburg, VA (US);
William S. Sanderson, Blacksburg, VA (US);
Paul Busby, Blacksburg, VA (US);
Edward J. Clark, Pearisburg, VA (US);
Inventors:
Christopher M. Bundren, Blacksburg, VA (US);
William S. Sanderson, Blacksburg, VA (US);
Paul Busby, Blacksburg, VA (US);
Edward J. Clark, Pearisburg, VA (US);
Assignee:
Celanese Acetate LLC, Irving, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A24D 3/06 (2006.01); A24D 3/04 (2006.01); D02G 1/00 (2006.01); D02G 1/12 (2006.01); D02G 1/14 (2006.01); A24D 3/02 (2006.01);
U.S. Cl.
CPC ...
A24D 3/04 (2013.01); A24D 3/063 (2013.01); D02G 1/00 (2013.01); D02G 1/12 (2013.01); D02G 1/14 (2013.01); A24D 3/02 (2013.01);
Abstract
A method for forming a filter rod may include providing a bale of crimped tow band having about 10 denier per filament or greater and about 20,000 total denier or less, the crimped tow band comprising a plurality of cellulose acetate filaments; and placing the crimped tow band in an apparatus so as to form a filter rod.