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:
Jun. 16, 2020
Filed:
Jan. 11, 2017
Basf SE, Ludwigshafen, DE;
Alex Wegmann, Ettingen, CH;
Cinzia Tartarini, Pontecchio Marconi BO, IT;
BASF SE, Ludwigshafen, DE;
Abstract
The invention relates to a composition, which comprises the components (a) an organic material susceptible to oxidative, thermal or light-induced degradation, which is a polyether polyol, a polyester polyol or a polyurethane; (b) a bisphenolic stabilizer of formula (I) wherein n is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11; and (c) a chromanol stabilizer of formula (II) wherein Rand Rare independently of each other H or C-alkyl. A process for manufacturing the aforementioned composition, the use of an additive mixture comprising component (b) and (c) for stabilizing the component (a) and the additive mixture itself are described.