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:
Jan. 20, 1976
Filed:
May. 30, 1974
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21C / ;
U.S. Cl.
CPC ...
162-5 ; 162-8 ;
Abstract
A method of recovering waste paper of a pressure sensitive copying paper which comprises, in the defibration processing for regenerating the waste paper, using an alkaline solution containing a surface active agent. This method provides a white pulp which is hardly stained.
Quick Actions:
Kasugai, Tsuneo. (1976). Method of recovering pressure sensitive copying paper waste paper (U.S. Patent No. 3933578). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3933578
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile