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:
Oct. 27, 1992
Filed:
Aug. 17, 1990
Applicant:
Inventors:
Yukiyoshi Kawamori, Kakogawa, JP;
Susumu Monno, Takasago, JP;
Yoshiharu Hashiguchi, Kakogawa, JP;
Yoshikazu Inoue, Kakogawa, JP;
Masao Hamada, Kakogawa, JP;
Assignee:
Harima Chemicals, Inc., Hyogo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; D21C / ;
U.S. Cl.
CPC ...
252 60 ; 252 61 ; 162-5 ; 162-4 ;
Abstract
The present invention relates to an deinking agent used for reproduction of printed waste papers such as newspapers, magazines, leaflets and the like, and mainly contains one or more additives selected from the group comprising