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:
Jul. 23, 2013
Filed:
Feb. 24, 2011
Carlos René Klotz Rabello, Rio de Janeiro, BR;
Marlito Gomes Junior, Rio de Janeiro, BR;
Bernardo Galvão Siqueira, Rio de Janeiro, BR;
Raphael Bezerra DE Menezes, Rio de Janeiro, BR;
Wilson Kenzo Huziwara, Rio de Janeiro, BR;
Tomas Shinobu Yamada, São Paulo, BR;
Lígia Maria Marçareli DE Oliveira, Paraná, BR;
Giselle DE Carvalho Oliveira, Rio de Janeiro, BR;
William Victor Carlos Cândido, Paraná, BR;
Carlos René Klotz Rabello, Rio de Janeiro, BR;
Marlito Gomes Junior, Rio de Janeiro, BR;
Bernardo Galvão Siqueira, Rio de Janeiro, BR;
Raphael Bezerra de Menezes, Rio de Janeiro, BR;
Wilson Kenzo Huziwara, Rio de Janeiro, BR;
Tomas Shinobu Yamada, São Paulo, BR;
Lígia Maria Marçareli de Oliveira, Paraná, BR;
Giselle de Carvalho Oliveira, Rio de Janeiro, BR;
William Victor Carlos Cândido, Paraná, BR;
Petroleo Brasileiro S.A.-Petrobras, Rio de Janeiro, BR;
Abstract
The present invention describes a process for the production of propylene glycol from glycerol, the transformation of purified glycerol to propylene glycol being carried out by means of a reaction of hydrogenolysis, in the liquid phase, where the two stages of the reaction take place simultaneously and in one and the same reactor () under specified conditions of temperature and pressure, and the effluent from the fixed-bed reactor () is led to subsequent process stages that comprise separation and purification.