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:
Dec. 23, 1986
Applicant:
Inventors:
Assignee:
Mitsubishi Petrochemical Company Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428421 ; 428207 ; 428422 ;
Abstract
A writing screen comprising a substrate and an overlayer on the surface thereof of a film comprising a vinylidene fluoride copolymer resin having a ratio of the existing amount of fluorine atoms (F) and that of carbon atoms (C), F/C, on the surface in the range of 0.6 to 1.5. The screen has excellent marker suitability and resistance to surface damage.
Quick Actions:
Ozu, Takahiro. (1988). Writing screen (U.S. Patent No. 4746576). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4746576
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile