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:
Dec. 28, 1982
Filed:
Jan. 15, 1982
Applicant:
Inventors:
Yukio Shinagawa, Minami-ashigara, JP;
Sumio Ohtani, Minami-ashigara, JP;
Koichi Suematsu, Minami-ashigara, JP;
Hideo Kawaguchi, Minami-ashigara, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430533 ; 430534 ; 430535 ; 428481 ; 428483 ;
Abstract
A drafting film comprising a hydrophobic support and a matte layer formed thereon, said matte layer comprising silicon dioxide as a matting agent and a mixture of polymethyl methacrylate or a copolymer thereof and nitrocellulose. The drafting film show excellent adaptability for writing or drawing and revising or erasing. A wash-off type photographic film is also provided by forming a wash-off silver halide photosensitive emulsion layer on the drafting film.