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. 15, 2008
Filed:
Aug. 14, 2003
Daniel Joseph Brunelle, Burnt Hills, NY (US);
Joseph Anthony Suriano, Clifton Park, NY (US);
Taeseok Jang, Troy, NY (US);
Tiberiu Mircea Sielovan, Schenectady, NY (US);
Edward Pickett, Schenectady, NY (US);
Gregory Allen O'neil, Schenectady, NY (US);
Daniel Joseph Brunelle, Burnt Hills, NY (US);
Joseph Anthony Suriano, Clifton Park, NY (US);
Taeseok Jang, Troy, NY (US);
Tiberiu Mircea Sielovan, Schenectady, NY (US);
Edward Pickett, Schenectady, NY (US);
Gregory Allen O'Neil, Schenectady, NY (US);
SABIC Innovative Plastics IP B.V., Bergen op Zoom, NL;
Abstract
Thermally stable polymers comprising resorcinol arylate chain members are prepared using an interfacial method comprising the steps of: (a) combining at least one resorcinol moiety and at least one catalyst in a mixture of water and at least one organic solvent substantially immiscible with water; and (b) adding to the mixture from (a) at least one dicarboxylic acid dichloride while maintaining the pH between 3 and 8.5 through the presence of an acid acceptor, wherein the total molar amount of acid chloride groups is stoichiometrically deficient relative to the total molar amount of phenolic groups.