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:
Apr. 11, 1978
Filed:
Jul. 19, 1976
Applicant:
Inventors:
Tatsuro Miwa, Mitaka, JA;
Akira Aoyama, Kitamoto, JA;
Masatoshi Shimosaka, Tokyo, JA;
Hideto Kusumoto, Machida, JA;
Katsuhiko Kuroda, Yokohama, JA;
Assignees:
Mitsubishi Chemical Industries Ltd., Tokyo, JA;
Hamano Industry Co., Ltd., Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21D / ;
U.S. Cl.
CPC ...
1621 / ; 1621 / ; 1621 / ; 162183 ; 162184 ;
Abstract
An aqueous pulp slurry containing a cationic neutral sizing agent or a wet sheet prepared therefrom is treated with an oxidizing agent in a method of making a sized paper.