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. 20, 1995
Filed:
Mar. 19, 1993
Applicant:
Inventors:
Assignee:
Wolff Walsrode AG, Walsrode, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D22B / ;
U.S. Cl.
CPC ...
428337 ; 428500 ; 428516 ; 428910 ; 264510 ; 264291 ; 2641761 ; 15624411 ;
Abstract
The invention relates to matt-effect multilayer polypropylene films which acquire their matt appearance from at least one-sided, coextruded layer of a polymer mixture.
Blum, Thomas. (1995). Matt-effect, biaxially stretched polypropylene film and a process for (U.S. Patent No. 5425990). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5425990
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile