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:
Apr. 22, 2008
Filed:
Mar. 28, 2005
Tony Tikuisis, Calgary, CA;
Norman Dorien Joseph Aubee, Okotoks, CA;
Denny Paul Sauvageau, Calgary, CA;
Laura Elaine Ellis, Calgary, CA;
Ian Robert Gibbons, Calgary, CA;
P. Scott Chisholm, Calgary, CA;
Tony Tikuisis, Calgary, CA;
Norman Dorien Joseph Aubee, Okotoks, CA;
Denny Paul Sauvageau, Calgary, CA;
Laura Elaine Ellis, Calgary, CA;
Ian Robert Gibbons, Calgary, CA;
P. Scott Chisholm, Calgary, CA;
Abstract
This invention provides a process for the stabilization of thermoplastic polyolefins during melt processing operations. The stabilizer package of this invention is 'phenol free' and must contain at least one aryl monophosphite and at least one diphosphite. The process of this invention is especially suitable for the manufacture of polyethylene film.