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. 03, 1976
Filed:
Mar. 05, 1974
Gennady Nikolaevich Petrov, Leningrad, SU;
Gennady Mikhailovich Tolstopyatov, Leningrad, SU;
Sergei Mikhailovich Krasilnikov, Leningrad, SU;
Nikolai Alexandrovich Juzhakov, Leningrad, SU;
Tatyana Alexeevna Kornilova, Leningrad, SU;
Svetlana Mikhailovna Lashova, Leningrad, SU;
Valentin Pavlovich Shatalov, Voronezh, SU;
Leonid Vasillevich Kovtunenko, Voronezh, SU;
Alexandr Julievich Shteinbok, Voronezh, SU;
Elena Yakovlevna Mandelshtam, Moscow, SU;
Boris Sergeevich Korotkevich, Moscow, SU;
Other;
Abstract
A method of preparing copolymers of conjugated diene monomers and monovinylaromatic monomers having a random distribution of monomer units in the presence of a catalyst, metallic lithium in granules, and a modifying additive soluble in a reaction medium and consisting of reaction products of potassium or sodium carbonate, acetate or hydroxide with organoaluminum compound of the general formula: