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:
Dec. 17, 2024
Filed:
Nov. 27, 2019
SI Group Usa (Usaa), Llc, Danbury, CT (US);
Clément Barrière, Whitefield, GB;
Maurice Power, Manchester, GB;
Abstract
The invention provides a stabilising composition for polymeric materials, comprising: a. a first derivatised phenolic antioxidant; b. at least one secondary arylamine having the formula (I): NHRyRx wherein: the or each R, which may be the same or different, independently denotes an optionally substituted hydrocarbyl group; x and y are each independently from 0 to 5 provided that at least one of x and y is at least 1; and provided that at least one R is an optionally substituted hydrocarbyl group having at least 9 carbon atoms; and c. one or more antioxidant boosters independently selected from: i. a second derivatised phenolic antioxidant having lower steric hindrance than the first derivatised phenolic antioxidant; ii. a hindered amine; iii. an optionally substituted phenothiazine; and also the use of the stabilising composition for stabilising polyol and/or polyurethane; and a stabilised composition comprising a polyol and/or polyurethane and the aforementioned low emission and anti-scorch stabilising composition.