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:
May. 21, 2013
Filed:
Feb. 22, 2010
Applicants:
Donald Stevenson, Dover, OH (US);
Michael Jakupca, Canton, OH (US);
Nina Bersaglini, Magnolia, OH (US);
Inventors:
Donald Stevenson, Dover, OH (US);
Michael Jakupca, Canton, OH (US);
Nina Bersaglini, Magnolia, OH (US);
Assignee:
Dover Chemical Corporation, Dover, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process is described which reduces the amount of bloom and/or plate-out of phosphite antioxidants during polymer processing by the addition of at least one polyethylene glycol (or blends thereof) or polycaprolactones (or blends thereof) having an average molecular weight of approximately 1,000 to 20,000, most preferably between 4,000 to 10,000.