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:
Nov. 02, 2010
Filed:
Apr. 05, 2006
Setsuo Sato, São José dos Campos, BR;
Wanderson Bueno DE Almeida, São José dos Campos, BR;
Arnaldo Ferreira Filho, Jacarei, BR;
Ramiro Carielo Bueno, Jacarei, BR;
Setsuo Sato, São José dos Campos, BR;
Wanderson Bueno de Almeida, São José dos Campos, BR;
Arnaldo Ferreira Filho, Jacarei, BR;
Ramiro Carielo Bueno, Jacarei, BR;
Cognis IP Management GmbH, Duesseldorf, DE;
Abstract
A process for the production of a color-stable composition containing cardanol and cardol including (a) subjecting crude, cashew nutshell liquid to distillation to obtain a distillate: (b) reacting the distillate with boric acid to obtain a reaction mixture; and (c) subjecting the reaction mixture to distillation is provided. A method for the production of color-stable phenalkamines including (a) subjecting crude, cashew nutshell liquid to distillation to obtain a distillate; (b) reacting the distillate with boric acid to obtain a reaction mixture; (c) subjecting the reaction mixture to distillation to obtain a main fraction; and (d) reacting the main fraction with an aliphatic amine and formaldehyde to form a color-stable phenalkamine is also provided.