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. 10, 2013
Filed:
Nov. 30, 2010
Applicants:
Timothy Michael Nisbet, Amsterdam, NL;
Garo Garbis Vaporciyan, Houston, TX (US);
Cornelis Leonardus Maria Vrouwenvelder, Amsterdam, NL;
Inventors:
Timothy Michael Nisbet, Amsterdam, NL;
Garo Garbis Vaporciyan, Houston, TX (US);
Cornelis Leonardus Maria Vrouwenvelder, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/00 (2006.01); C08G 63/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for preparing a diaryl carbonate from a dialkyl carbonate and an aryl alcohol using a series of reactive distillation columns.