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. 22, 1981
Filed:
Jan. 17, 1980
Applicant:
Inventor:
Albert Strassel, Oullins, FR;
Assignee:
Produits Chimiques Ugine Kuhlmann, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428421 ; 264171 ; 264237 ; 264514 ; 4284231 ; 4284242 ; 4284246 ;
Abstract
The present invention relates to laminates of a polyvinylidene fluoride resin (hereinafter referred to as 'PVF.sub.2 ') and a thermoplastic polyurethane that are formed without the use of any intermediate bonding agent and to the method of making such laminates, preferably by co-extrusion, wherein the polyvinylidene fluoride resin must have a certain specified apparent viscosity, at 200.degree. C., at certain specified velocity gradients.