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. 16, 1980
Filed:
Dec. 07, 1978
Applicant:
Inventors:
Hajime Kato, Fujinomiya, JP;
Yasuhiro Ogata, Fujinomiya, JP;
Assignee:
Fuji Photo Film Co., Ltd., Ashigara, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
427150 ; 282 275 ; 427157 ; 427152 ; 4274191 ; 4274195 ; 4274198 ; 428488 ; 428537 ; 428539 ; 428914 ;
Abstract
A recording sheet for pressure-sensitive copying paper is produced by coating on a support a coating composition containing a water-soluble polyvalent metal salt and then a coating composition containing an alkali metal salt or an ammonium salt of an aromatic carboxylic acid. The recording sheet has excellent flatness and surface strength.