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:
May. 28, 1991
Filed:
Aug. 21, 1989
Applicant:
Inventors:
Otello Farias, Rome, IT;
Alberto Gandini, Milan, IT;
Raffaella Monga, Milan, IT;
Arnaldo Roggero, San Donato Milanese, IT;
Raffaello Sisto, Rome, IT;
Claudio Valentini, Rome, IT;
Assignee:
Eniricerche S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
525396 ; 264 41 ; 521180 ; 521189 ; 525390 ;
Abstract
A modified poly(2,6-dimethyl-p-oxyphenylene) with a glass transition temperature in the range of 180.degree.-220.degree. C. is described in which on the average between 10 and 60% of the macromolecules carry: