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. 26, 2019
Filed:
Dec. 23, 2008
Rick L. Adkins, Dunbar, WV (US);
Stanley L. Hager, Cross Lanes, WV (US);
Brian L. Neal, Scott Depot, WV (US);
Jack R. Reese, Hurricane, WV (US);
Jiong England, Orange, CA (US);
Micah N. Moore, Red House, WV (US);
Rick L. Adkins, Dunbar, WV (US);
Stanley L. Hager, Cross Lanes, WV (US);
Brian L. Neal, Scott Depot, WV (US);
Jack R. Reese, Hurricane, WV (US);
Jiong England, Orange, CA (US);
Micah N. Moore, Red House, WV (US);
COVESTRO LLC, Pittsburgh, PA (US);
Abstract
This invention relates to polymer polyols comprising the free-radical polymerization product of a base polyol, at least one ethylenically unsaturated monomer, and, optionally, a preformed stabilizer, in the presence of at least one free-radical polymerization initiator and at least one chain transfer agent, in which the base polyol is a natural oil. A process for preparing these polymer polyols is also described. The present invention also relates to a polyurethane foam prepared from these polymer polyols and to a process for the preparation of these polyurethane foams.