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. 09, 2008
Filed:
Jul. 29, 2003
Applicants:
Rebecca L. Smith, Vienna, WV (US);
Donald L. Rymer, Little Hocking, OH (US);
Robert M. Harper, Belpre, OH (US);
Dan J. Mckiernan, Parkersburg, WV (US);
Inventors:
Rebecca L. Smith, Vienna, WV (US);
Donald L. Rymer, Little Hocking, OH (US);
Robert M. Harper, Belpre, OH (US);
Dan J. McKiernan, Parkersburg, WV (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is an improved PVB composition comprising an adhesion control agent which is a mixture of potassium and magnesium salts in a ratio of from about 0.05:1 to about 5:1, by weight, potassium salts to magnesium salts. The present invention also describes a method for improved control of adhesion of PVB to glass.