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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.:

US 9328218 B1

PDFFull Text
Date of Patent:
May. 03, 2016

Filed:

Jul. 09, 2013

Polyglycol bis-[3-(7-tert-butyl-2-oxo-3-phenyl-3h-benzofuran-5-yl-)propanoyl] derivatives as stabilizers of organic material

Applicant:

Basf SE, Ludwigshafen, DE;

Inventors:

Kai-Uwe Schoening, Oberwil, CH;

Cinzia Tartarini, Basel, CH;

Walid Al-Akhdar, Oberwil, CH;

Ulrich Berens, Binzen, DE;

Bruno Rotzinger, Delemont, CH;

Alexander Dichtl, Loerrach, DE;

Assignee:

BASF SE, Ludwigshafen, DE;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P

Primary Examiner:

Susannah Chung

Assistant Examiner:

Robert T Butcher

Int. Cl.
CPC ...
C08K 5/15 (2006.01); A61L 24/00 (2006.01); C09K 3/00 (2006.01); C07D 307/00 (2006.01); C08K 5/1535 (2006.01); C07D 307/83 (2006.01); C08K 5/05 (2006.01); C08K 5/17 (2006.01); C08K 5/52 (2006.01); C08K 5/5393 (2006.01);
U.S. Cl.
CPC ...
C08K 5/1535 (2013.01); C07D 307/83 (2013.01); C08K 5/05 (2013.01); C08K 5/17 (2013.01); C08K 5/52 (2013.01); C08K 5/5393 (2013.01);
Abstract

The invention relates to a compound of the formula (I-1) whereinn is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 or 25, R, R, R, R, R, R', R′, R′, R′and R′are each independently from each other H or C-C-alkyl. Compounds of the formula (I-1) or stabilizer mixtures containing compounds of the formula (I-1) are especially used for stabilization of polymers against degradation by oxidation, heat or light.

Find Patent Forward Citations

Schoening, Kai-Uwe. (2016). Polyglycol bis-[3-(7-tert-butyl-2-oxo-3-phenyl-3h-benzofuran-5-yl-)propanoyl] derivatives as stabilizers of organic material (U.S. Patent No. 9328218). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9328218

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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