PROCESS FOR SYNTHESIS AND INCORPORATION OF NITRIC OXIDE DONORS IN MACROMOLECULAR COMPOSITIONS

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United States of America Patent

APP PUB NO 20090311292A1
SERIAL NO

12441341

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Abstract

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The present invention describes a process for the synthesis of S-nitrosothiols and the subsequent incorporation of these compounds in hydrophilic macromolecular compositions. By the process described herein, the S-nitrosothiols are synthesized in a device (FIG. 2) in a first step from the S-nitrosation reaction of their respective precursor thiols (A), promoted by a mechanical action that puts the thiols in contact with the nitrous acid formed from nitrite anions in acidic medium (B), and in a second mechanical operation, the freshly formed S-nitrosothiols are incorporated in an application vehicle (C) based on hydrophilic macromolecular compositions that increases their thermal stability. Therefore, the process under consideration combine the pre-application synthesis of S-nitrosothiols with their subsequent incorporation in delivery vehicles, with provide a relative stabilization of the S-nitrosothiols for sufficient periods so that the formulations prepared by this process may be stored in a domestic refrigerator during its time of use in its several possible applications.

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Patent Owner(s)

Patent OwnerAddress
CRISTALIA PRODUTOS QUIMICOS FARMACEUTICOS LTDABRAZIL ITAPIRA
UNIVERSIDADE ESTADUAL DE CAMPINAS - UNICAMPCIDADE UNIVERSITÁRIA ZEFERINO VAZ CAMPINAS 13084-971

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Moreira, Roberto Itapira , BR 3 4
Oliveira, Marcelo Campinas , BR 18 175
Pacheco, Ogari Nova Itapira , BR 12 25
Seabra, Amedea Paulinea , BR 1 1
Souza, Gabriela Campinas , BR 1 1

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