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:
Jun. 15, 1993
Filed:
Jun. 15, 1992
Applicant:
Inventors:
Reginald T-H Tang, Warren, NJ (US);
Michael C Bochnik, Yonkers, NY (US);
Frank Mares, Whippany, NJ (US);
Steve Arnold, New Hope, PA (US);
Assignee:
AlliedSignal Inc., Morris Township, Morris County, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
525 67 ; 525 68 ; 525146 ; 525148 ; 525151 ; 525152 ; 525394 ; 525397 ; 525905 ;
Abstract
A process of forming block and/or graft copolymers of a polyester and a polyphenylene oxide which comprises heating a mixture of the polyester and the polyphenylene oxide in the presence of a phosphite compound.
Tang, Reginald. (1993). Process for preparing graft and block copolymers of polyphenylene oxides (U.S. Patent No. 5219937). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5219937
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile