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:
Mar. 05, 1991
Filed:
Sep. 30, 1986
Applicant:
Inventors:
John F Timberlake, Cross Lanes, WV (US);
Siusun K Leung, S. Charleston, WV (US);
Edgar G Shook, S. Charleston, WV (US);
Donald W Simroth, Charleston, WV (US);
Richard C Myerly, Canaan Valley, WV (US);
Assignee:
Arco Chemical Technology, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08J / ; C08G / ;
U.S. Cl.
CPC ...
521116 ; 524386 ; 524387 ; 524388 ; 524389 ; 524345 ; 524504 ; 524505 ; 524560 ; 524562 ; 524923 ; 525 93 ; 525 94 ; 525 88 ; 525242 ; 525296 ; 525301 ; 428323 ; 428327 ; 428345 ;
Abstract
A stabilizer for polymer/polyols characterized by four key features: (1) prepared from a starting polyol having a functionality greater than 4; (2) having at least 60% retained unsaturation; (3) having a viscosity greater than 2000 cSt; and (4) prepared where the starting polyol is capped with alkylene oxide and/or the adduct formed between the starting polyol and the reactive unsaturated compound is capped with ethylene oxide.