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. 16, 1987
Filed:
Mar. 14, 1986
Applicant:
Inventors:
Yoshio Takahashi, Kanagawa, JP;
Shigeto Hatanaka, Kanagawa, JP;
Assignee:
Mitsubishi Oil Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21D / ; C08L / ;
U.S. Cl.
CPC ...
10628724 ; 106177 ; 106213 ; 162158 ;
Abstract
A sizing agent for paper making is described, comprising (A) a reaction product obtained by an addition reaction of an olefin having 14 to 20 carbon atoms or a mixture thereof with maleic anhydride and (B) one or more emulsifiers selected from polyoxyalkylene aralkylaryl ether phosphoric acid esters or salts thereof.