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:
Jul. 12, 1977
Filed:
Jun. 07, 1976
Applicant:
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
526 56 ; 260 / ; 260 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ;
Abstract
A compound of the formula (1), ##STR1## WHEREIN R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 are individually a hydrogen atom or a C.sub.1 -C.sub.20 alkyl group, A is a hydrocarbon residue, and n is an integer of 2 or 3, provided that when R.sub.1 is a methyl group and each of R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 is a hydrogen atom, the isopropenyl group ##STR2## is substituted at o- or m-position to the oxycarbonyl group ##STR3## which is useful as a crosslinking plasticizer for rubber.
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Fujii, Yoshikazu. (1977). Novel aromatic polyvinyl compounds (U.S. Patent No. 4035559). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4035559
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