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:
Jan. 11, 2022
Filed:
Dec. 29, 2017
Shpp Global Technologies B.v., Bergen op Zoom, NL;
Thomas Link Guggenheim, Mt. Vernon, IN (US);
Hendrich Chiong, Cincinnati, OH (US);
Bernabe Quevedo Sanchez, Cartegena, ES;
Carmen Rocio Misiego Arpa, Cartagena, ES;
Juan Justino Rodriguez Ordonez, Cartagena, ES;
Javier Nieves Remacha, Cartagena, ES;
SHPP GLOBAL TECHNOLOGIES B.V., Bergen op Zoom, NL;
Abstract
A method for producing a reactive intermediate composition, including: reacting a substituted phthalic anhydride of the formula (I) with a diamine of the formula HN—R—NHin the presence of an aromatic dianhydride in an amount of 10 to 50 mole percent based on the total moles of anhydride functionality in the reaction; wherein the reacting is conducted in an aprotic solvent in a reactor, under conditions effective to produce the reactive intermediate composition; and wherein X comprises a halogen or a nitro group, and R comprises a Caromatic hydrocarbon group or a halogenated derivative thereof, a straight or branched chain Calkylene or a halogenated derivative thereof, or a Ccycloalkylene or a halogenated derivative thereof.