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:
Jul. 29, 2014
Filed:
Jul. 25, 2012
Christopher M. Bundren, Blacksburg, VA (US);
Lawton E. Kizer, Blacksburg, VA (US);
Denis G. Fallon, Blacksburg, VA (US);
Lixin Xue, Ningbo, CN;
Christopher M. Bundren, Blacksburg, VA (US);
Lawton E. Kizer, Blacksburg, VA (US);
Denis G. Fallon, Blacksburg, VA (US);
Lixin Xue, Ningbo, CN;
Celanese Acetate LLC, Irving, TX (US);
Abstract
A spinneret having tri-arc holes may be used to produce tri-arc filaments. In some instances, tri-arc holes have a Y-shape with three prongs and each prong having an arc at the end of the prong that tapers from the end of the arc to a connection point of an adjacent arc, and tri-arc filaments have a generally-Y shape cross-section with bulbous or arcing tips. Further, tri-arc filaments may be useful in a plurality of applications including, but not limited to, filters, filters comprising particulate additives, and smoking device filters.