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:
Dec. 11, 2012
Filed:
Sep. 23, 2011
Applicants:
Donald L. Rymer, Little Hocking, OH (US);
Nolan K. Read, Iii, Vienna, WV (US);
Inventors:
Donald L. Rymer, Little Hocking, OH (US);
Nolan K. Read, III, Vienna, WV (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/41 (2006.01); C08F 8/28 (2006.01); C08J 3/00 (2006.01); C08L 61/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided herein is a polyvinylbutyral (PVB) resin having a meso/racemic stereoisomer ratio of from about 2.5 to about 5.0. Further provided herein is a plasticized PVB composition comprising the PVB resin. Manipulation of the PVB stereoisomer ratio can provide an additional method of controlling the physical properties of the PVB composition, in addition to or in lieu of changing additives or otherwise manipulating the PVB composition.