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. 14, 1984
Filed:
Dec. 21, 1981
Applicant:
Inventor:
Ralf Korpman, Bridgewater, NJ (US);
Assignee:
Permacel, New Brunswick, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; B29F / ;
U.S. Cl.
CPC ...
264 407 ;
Abstract
An improved process for preparing pressure-sensitive adhesive film and tape by extrusion of a relatively high molecular weight thermoplastic elastomer with a relatively low molecular weight tackifier resin is described. An apparatus suitable for carrying out the extrusion is also described.