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. 02, 2014
Filed:
May. 19, 2011
Carlos Eduardo Marenco, São Paulo, BR;
Wagner Lourenco, São Paulo, BR;
Renato Bresciani, São Paulo, BR;
Sergio Martins, São Paulo, BR;
Mario Pattaro, São Paulo, BR;
Wellington Bonifacio, Barão Geraldo, BR;
João Carlos Lazarini, São Paulo, BR;
Carlos Eduardo Marenco, São Paulo, BR;
Wagner Lourenco, São Paulo, BR;
Renato Bresciani, São Paulo, BR;
Sergio Martins, São Paulo, BR;
Mario Pattaro, São Paulo, BR;
Wellington Bonifacio, Barão Geraldo, BR;
João Carlos Lazarini, São Paulo, BR;
Rhodia Poliamide e Especialidades Ltda, Sao Paulo, BR;
Abstract
A catalytic composition with a corrosion-inhibiting effect on metal surfaces is described. Also described, is a corrosion-inhibiting process and use of a corrosion inhibitor. Further, the catalytic composition can have a corrosion-inhibiting effect on metal surfaces in contact with an esterification medium comprising a carboxylic acid and an alcohol, wherein the composition comprises as a catalyst, a strong protonic acid and, as corrosion inhibitor, an iron(III) carboxylate.