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:
Sep. 13, 2011
Filed:
Dec. 16, 2005
Nina V. Bojkova, Monroeville, PA (US);
Robert D. Herold, Monroeville, PA (US);
William H. Mcdonald, West Mars, PA (US);
Marvin J. Graham, Monroeville, PA (US);
Robert A. Smith, Murrysville, PA (US);
Nina V. Bojkova, Monroeville, PA (US);
Robert D. Herold, Monroeville, PA (US);
William H. McDonald, West Mars, PA (US);
Marvin J. Graham, Monroeville, PA (US);
Robert A. Smith, Murrysville, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
The present invention provides polythiol oligomer formed by the reaction of at least two or more different dienes and at least one or more dithiol wherein stoichiometric ratio of the sum of the number of equivalents of all polythiols to the sum of the number of equivalents of all dienes used to form the polythiol oligomer is greater than 1.0:1.0; and wherein the two or more different dienes comprise