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:
Aug. 15, 1978
Filed:
Oct. 10, 1975
Applicant:
Inventors:
Vladimir Vasilievich Moiseev, Voronezh, SU;
Vladimir Vasilievich Kosovtsev, Voronezh, SU;
Galina Prokofievna Kolesnikova, Voronezh, SU;
Tamara Ivanovna Esina, Voronezh, SU;
Alexandr Nikolaevich Polukhin, Voronezh, SU;
Viktor Alexandrovich Zimnukhov, Voronezh, SU;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
528129 ; 260519 ; 2605 / ; 2605 / ; 2605709 ; 260 / ; 260 / ; 528148 ; 528152 ; 528153 ; 528159 ;
Abstract
Novel phenolamine resins which are condensation products of hexamethylene tetramine with a phenol component such as an alkylphenol with 5 to 12 carbon atoms in the alkyl radical, styrene-alkylated phenol, cumylphenol, diphenylolpropane, hydroxybenzoic acid. The condensation reaction is conducted at a temperature ranging from 90.degree. to 180.degree. C. The products thus prepared are efficient stabilizing agents for rubbers and vulcanizates.