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:
Jun. 17, 1997
Filed:
Apr. 12, 1996
Applicant:
Inventors:
Richard M Nugent, Jr, Allison Park, PA (US);
Ken W Niederst, Allison Park, PA (US);
Jerome A Seiner, Pittsburgh, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528123 ; 525523 ; 528121 ; 528124 ;
Abstract
An ungelled thermoplastic resin having gas barrier properties and containing at least 7 percent by weight of amine nitrogen is derived via the reaction of a polyamine devoid of oxyalkylene moieties and containing up to about two primary amino nitrogen groups per molecule and a polyepoxide in a molar ratio of polyamine to polyepoxide of from 1.4:1 to 0.83:1.
Nugent, Jr, Richard. (1997). Ungelled polyamine-polyepoxide resins (U.S. Patent No. 5639848). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5639848
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile