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:
Mar. 26, 1985
Filed:
Sep. 07, 1983
Applicant:
Inventors:
Kyuya Yamazaki, Ibaraki, JP;
Sachio Igarashi, Suita, JP;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
525528 ; 525111 ; 525440 ; 528 27 ; 528 28 ;
Abstract
A polyurethane adhesive composition, which comprises an organic polyisocyanate, a polyol, an oxyacid of phosphorus or a derivative thereof, an epoxy resinand a silane coupling agent. The polyurethane adhesive composition, when used as an adhesive for packaging materials for food, provides the bond showing outstandingly excellent adhesion strength, heat resistance and hot-water resistance between metal foil such as aluminum foil and films of plastics such as polyethylene, polypropylene, nylon and polyethylene terephthalate etc.