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:
Jun. 17, 2014
Filed:
Jun. 29, 2010
Applicants:
Cristina Maria Schuch, Campinas, BR;
Aires Lacovone, São Paulo, BR;
Inventors:
Cristina Maria Schuch, Campinas, BR;
Aires Lacovone, São Paulo, BR;
Assignee:
Rhodia Poliamida e Especialidades Ltda, Sao Paulo, BR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 67/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An process to obtain a mixture of lower carboxylic acid mono, di and triesters, from raw glycerin, a by-product of the process to obtain biodiesel, a transesterification of vegetable raw material with lower alcohols is described. Also described is a process to obtain triacetin or a mixture of mono-, di- and triacetin from that raw glycerin, without prior purification.