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:
Oct. 03, 2006
Filed:
Jul. 14, 2000
Roberto Alcantara Martins Zucchetti, Sao Paulo, BR;
Luciana Villa Nova Silva, Sao Paulo, BR;
Simoni Chitarra Souza, Sao Paulo, BR;
Simone Fanan, Campinas, BR;
Jean-luc Gesztesi, Sao Paulo, BR;
Luiz Gustavo Martins Matheus, Sao Caetano do Sul, BR;
Philippe Joseph Pommez, Sao Paulo, BR;
Karla Araujo Macian, Sao Paulo, BR;
Rodrigo Fuscelli Pytel, Santo Andre, BR;
Roberto Alcantara Martins Zucchetti, Sao Paulo, BR;
Luciana Villa Nova Silva, Sao Paulo, BR;
Simoni Chitarra Souza, Sao Paulo, BR;
Simone Fanan, Campinas, BR;
Jean-Luc Gesztesi, Sao Paulo, BR;
Luiz Gustavo Martins Matheus, Sao Caetano do Sul, BR;
Philippe Joseph Pommez, Sao Paulo, BR;
Karla Araujo Macian, Sao Paulo, BR;
Rodrigo Fuscelli Pytel, Santo Andre, BR;
Industria E Comercio De Cosmeticos Natura Ltda., Itapecerica da Serra, BR;
Abstract
The present invention is directed to a process for stabilizing antioxidant compounds comprising the step of adding to said compound, in an aqueous mean, at least an oxygen-removing compound, at least a metallic ion sequestering compound and at least an oxidation reaction reversing compound. The invention is particularly useful to stabilize antioxidant compounds such as levogyrous ascorbic acid (LAA), popularly known as 'Vitamin C', and the LAA associated with proantocianidines (OPC) for the preparation of pharmaceutical and cosmetic compositions.