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. 27, 1978
Filed:
Aug. 18, 1975
Applicant:
Inventors:
Makoto Kitahara, Tokyo, JA;
Shozo Ishikawa, Tokyo, JA;
Kazuharu Katagiri, Tokyo, JA;
Tetsuo Arita, Tokyo, JA;
Shoji Masubuchi, Tokyo, JA;
Assignee:
Copyer Co., Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428323 ; 428331 ; 428403 ; 428412 ; 428413 ; 428522 ; 428447 ; 428451 ; 428452 ; 428454 ; 428463 ; 428483 ; 428514 ; 428516 ; 428517 ; 428518 ; 428519 ; 427 74 ; 427391 ; 162138 ; 260851 ;
Abstract
An electrostatic recording material, such as a dielectric coated paper and a paper for transfer of an electrostatic image, having a dielectric layer comprising a copolymer which comprises about 15 to 70 mol% of methacrylic acid and about 85 to 30 mol% of a methacrylate or acrylate and which contains free carboxylic acid groups, and a process for producing the electrostatic recording material comprising coating a water-soluble or -emulsifiable ammonium or amine salt of the copolymer on a support and drying the coated support.