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:
Jan. 23, 2024
Filed:
Apr. 29, 2019
Applicant:
SI Group Usa (Usaa), Llc, Danbury, CT (US);
Inventors:
Warren J. Ebenezer, Stockport, GB;
Jonathan Hill, Manchester, GB;
Assignee:
SI GROUP, INC., The Woodlands, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/00 (2006.01); C08K 3/014 (2018.01); C08K 3/32 (2006.01); C08K 5/13 (2006.01); C08K 5/52 (2006.01); C08L 23/02 (2006.01); C08K 5/524 (2006.01); C08K 5/134 (2006.01); C08K 5/526 (2006.01);
U.S. Cl.
CPC ...
C08K 5/005 (2013.01); C08K 3/014 (2018.01); C08K 3/32 (2013.01); C08K 5/13 (2013.01); C08K 5/134 (2013.01); C08K 5/52 (2013.01); C08K 5/524 (2013.01); C08K 5/526 (2013.01); C08L 23/02 (2013.01);
Abstract
The invention concerns an antidegradant blend for polymers, comprising: a. an antioxidant selected from one or more of: i. a phenolic antioxidant; ii. an organic phosphite antioxidant; and: b. an inorganic antioxidant or reducing agent; wherein the composition is absent any metal carboxylate or buffering agent having the capacity to buffer in aqueous solution at a pH range from 4 to 8.