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, 1986
Filed:
Mar. 29, 1985
Applicant:
Inventors:
Walter Hufnagel, Forchheim, DE;
Heinz Vates, Furth-Stadeln, DE;
Assignee:
Internationale Octrooi Maatschappij 'Octropa' B.V., Rotterdam, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
5263481 ;
Abstract
A simultaneously biaxially oriented, isotactic polypropylene film resistant to dynamic stresses, particularly tensile stresses in longitudinal direction, which has been stretched in a surface stretch ratio of at least 1:45, exhibiting a specific puncture resistance and certain elongation factors, is particularly suitable as a base or carrier film for acoustical and optical information, for adhesive tape, for multicolor printing, for packaging material and as a layer in laminates.