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. 23, 2013
Filed:
Mar. 23, 2011
Applicants:
Sushanta Dhar Roy, Houston, TX (US);
Viraj Triokekar, Oakville, CA;
Salvatore D'uva, Brantford, CA;
Ed Hindy, Fayetteville, GA (US);
Inventors:
Sushanta Dhar Roy, Houston, TX (US);
Viraj Triokekar, Oakville, CA;
Salvatore D'Uva, Brantford, CA;
Ed Hindy, Fayetteville, GA (US);
Assignee:
Ingenia Polymers Corp., Brantford, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 9/02 (2006.01); B08B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A purging compound for purging an extruder of polyamides or other polar thermoplastic resins for transitioning to the extrusion of a non-polar thermoplastic resin, includes a non-polar base polymer compounded with an ethylene-methacrylate copolymer, up to 15% of a mineral, and about 1% of a suitable antioxidant.