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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.:

US 3939138 B1

PDFFull Text
Date of Patent:
Feb. 17, 1976

Filed:

Sep. 04, 1974

Radical polymerization initiator andd process for its preparation

Applicant:
Inventors:

Souichi Suzuki, Yokohama, JA;

Hiroshi Horino, Yokohama, JA;

Tetsu Ohishi, Tokyo, JA;

Assignee:

Nippon Zeon Co., Ltd., Tokyo, JA;

Attorney:

Sherman & Shalloway

Primary Examiner:

M J Welsh

Assistant Examiner:

William E Parker

Int. Cl.
CPC ...
C09F / ;
U.S. Cl.
CPC ...
260100 ; 252415 ; 260 975 ;
Abstract

A radical polymerization initiator comprising as an active ingredient a hydroperoxide of disproportionated or hydrogenated rosin acid or its alkali metal or ammonium salt. The initiator is prepared by contacting disproportionated or hydrogenated rosin acid or its alkali metal or ammonium salt with molecular oxygen in water or an organic solvent at a temperature of 0.degree. to 150.degree.C. to form its hydroperoxide.

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Suzuki, Souichi. (1976). Radical polymerization initiator andd process for its preparation (U.S. Patent No. 3939138). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3939138

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