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:
Sep. 08, 2009
Filed:
Sep. 21, 2006
Vladimir Vasilievich Afanasiev, Moscow, RU;
Nikolai Serafimovich Zefirov, Moscow, RU;
Dmitry Yurievich Zalepugin, Moscow, RU;
Victor Stanislavovich Polyakov, Moscow, RU;
Nataliya Alexandrovna Tilkunova, Moscow, RU;
Larisa Godvigovna Tomilova, Moscow, RU;
Vladimir Vasilievich Afanasiev, Moscow, RU;
Nikolai Serafimovich Zefirov, Moscow, RU;
Dmitry Yurievich Zalepugin, Moscow, RU;
Victor Stanislavovich Polyakov, Moscow, RU;
Nataliya Alexandrovna Tilkunova, Moscow, RU;
Larisa Godvigovna Tomilova, Moscow, RU;
U.S. Department of Energy, Washington, DC (US);
Abstract
A continuous method of producing propylenecarbonate includes carboxylation of propylene oxide with carbon dioxide in presence of phthalocyanine catalyst on an inert carrier, using as the phthalocyanine catalyst at least one catalyst selected from the group consisting of not-substituted, methyl, ethyl, butyl, and tret butyl-substituted phthalocyanines of metals, including those containing counterions, and using as the carrier a hydrophobic carrier.