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:
Feb. 01, 2011
Filed:
Apr. 11, 2006
Applicants:
Chin Siong Goh, Singapore, SG;
Kerstin Schrinner, Shanghai, CN;
Pascal Xanthopoulos, New Rochelle, NY (US);
Inventors:
Chin Siong Goh, Singapore, SG;
Kerstin Schrinner, Shanghai, CN;
Pascal Xanthopoulos, New Rochelle, NY (US);
Assignee:
Ciba Specialty Chemicals Corp., Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/17 (2006.01); C08K 5/3412 (2006.01); C08K 5/3417 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention describes a process for preventing the formation of aldehydic contaminants in polyether polyols, polyester polyols or polyurethanes which comprises incorporating into said polyether polyols, polyester polyols or polyurethanes an effective amount of a) a phenolic antioxidant, b) one or more compounds selected from (i) aminic antioxidants, (ii) benzofuran-2-ones, and (iii) phosphites or phosphonites, or (iv) mixtures thereof.