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:
Oct. 01, 1996
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264469 ; 15624417 ; 264483 ; 26417123 ; 26417315 ; 26417319 ; 264 80 ; 426127 ;
Abstract
A process for the production of a biaxially-oriented multilayer polypropylene film having a silk-matt finish includes coextruding melts corresponding to the individual layers of the film through a flat-film die; taking off the coextruded film over a take-off roll having a temperature between about 40 and about 100.degree. C.; biaxially stretching the film; thermofixing, and optionally corona-treating, the biaxially-stretched film; and winding up the thermofixed and optionally corona-treated film.
Murschall, Ursula. (1996). Process for the production of biaxially-oriented multilayer polyolefin (U.S. Patent No. 5560885). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5560885
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile