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:
Dec. 16, 1980
Filed:
Jan. 24, 1977
Irina A Voronkova, Dzerzhinsk Gorkovskoi oblasti, SU;
Tatyana I Radbil, Gorky, SU;
Nikolai A Mikhalev, Dzerzhinsk Gorkovskoi oblasti, SU;
Boris P Shtarkman, Dzerzhinsk Gorkovskoi oblasti, SU;
Valery A Fomin, Dzerzhinsk Gorkovskoi oblasti, SU;
Volf S Etlis, Dzerzhinsk Gorkovskoi oblasti, SU;
Other;
Abstract
The present invention relates to a method for producing prepolymers based on vinyl monomers such as methacrylic acid esters, or a mixture of esters of methacrylic and acrylic acids, or styrene, or a mixture of styrene with methacrylic acid esters. The method consists in conducting mass polymerization of said vinyl monomers at a temperature of 90.degree. to 160.degree. C. in air, or in oxygen-enriched air, or in an inert gas medium in the presence of an initiating system. The system is made of a mixture consisting of:
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile