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:
Feb. 19, 1985
Filed:
Nov. 16, 1983
Applicant:
Inventors:
Thomas G Rabito, Ashland, OH (US);
Stephen M Oswalt, Mansfield, OH (US);
Richard L Cline, Ashland, OH (US);
Assignee:
Ashland Oil, Inc., Ashland, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428480 ; 428482 ; 428483 ; 428414 ; 523400 ; 525 58 ; 525109 ;
Abstract
A sealer for solid polyester composition to reduce evolution of vapors at temperature 190.degree. C. or higher for 1 hour or more and to improve the bond at these temperatures with isocyanate polyurethane adhesives, epoxy adhesive or acrylic adhesive, the sealer comprising a mixture of 100 to 1000 parts of phenol-formaldehyde resin, 90 to 110 parts of a polyvinyl acetal resin, 10 to 40 parts of epoxy resin, and sufficient solvent to render the mixture brushable, sprayable or flowable.