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:
Sep. 14, 1976
Filed:
Apr. 30, 1975
Applicant:
Inventors:
Masahisa Ishigami, Kakogawa, JA;
Yoshikazu Inoue, Kakogawa, JA;
Assignee:
Harima Chemicals Inc., Kakogawa, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09F / ;
U.S. Cl.
CPC ...
260106 ; 252356 ; 260 97 ; 260 975 ; 260 / ; 260 / ; 526216 ; 526340 ;
Abstract
Method of preparing an emulsifier useable in emulsion polymerization processes, comprising the steps of subjecting rosin, polyunsaturated fatty acid or mixture thereof to disproportionation reaction, in the presence of a catalyst of iron iodide, and then neutralizing with alkali, and use of such emulsifier in emulsion polymerization processes.