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:
May. 24, 1988
Filed:
Jan. 08, 1986
Applicant:
Inventors:
Hermann Dallmann, Wiesbaden, DE;
Walter Seifried, Wiesbaden, DE;
Werner Schaefer, Hofheim-Diedenbergen, DE;
Siegfried Janocha, Wiesbaden, DE;
Harmut Hensel, Schlangenbad, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525176 ; 525117 ; 525118 ; 525146 ; 525148 ; 525162 ; 525165 ; 525166 ; 525438 ; 525443 ; 4284237 ; 4284242 ; 428447 ; 428480 ; 428910 ;
Abstract
This invention relates to a biaxially or multi-axially oriented, heat set film, which has on its surface numerous unevenesses, which comprise indentations around a protrusion. The protrusions comprise crosslinked or hardened organic particles having an average particle size of from 0.01 to 5.0 microns and having a narrow particle size distribution. The film surface has a mean surface roughness value Ra of from 0.005 to 0.10 micron.