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:
Feb. 06, 1990
Filed:
Jun. 16, 1989
Applicant:
Inventors:
Takazumi Kanekiyo, Mie, JP;
Yukitoshi Akimoto, Mie, JP;
Miho Kubota, Mie, JP;
Koichi Fujita, Mie, JP;
Yasunori Koizumi, Mie, JP;
Assignee:
Mitsubishi Petrochemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01F / ; C07C / ;
U.S. Cl.
CPC ...
252353 ; 562 88 ;
Abstract
An alkylbiphenyldisulfonate represented by formula: ##STR1## wherein R represents an alkyl group having from 10 to 15 carbon atoms; M represents an alkali metal atom; and m and n each represents 0, 1, or 2, and m+n=2. The alkylbiphenyldisulfonate exhibits excellent solubility in a concentrated aqueous electrolytic solution and, when used in an emulsion polymerization system, provides a polymer having a fine particle size and excellent stability.