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:
Mar. 25, 2008
Filed:
Nov. 29, 2005
Balakrishnan Ganesan, Karnataka, IN;
Gurram Kishan, Karnataka, IN;
Pradeep Jeevaji Nadkarni, Karnataka, IN;
Vinod Kumar Rai, Karnataka, IN;
C. Seetharaman, Karnataka, IN;
Balakrishnan Ganesan, Karnataka, IN;
Gurram Kishan, Karnataka, IN;
Pradeep Jeevaji Nadkarni, Karnataka, IN;
Vinod Kumar Rai, Karnataka, IN;
C. Seetharaman, Karnataka, IN;
General Electric Company, Schenectady, NY (US);
Abstract
Compounds and methods for preparing 2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidines having a formula of: wherein Ris independently selected from a group consisting of a hydrocarbyl radical, a nitro radical, and a halogen atom; 'a' is an integer from 0–4; and Arand Arare each independently an aromatic radical, are disclosed. The 2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compounds are useful for preparing other useful monomers and polymers.