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:
Feb. 23, 1999
Filed:
Jul. 13, 1995
Applicant:
Inventors:
William Franklin Burgoyne, Jr, Allentown, PA (US);
Lloyd Mahlon Robeson, Mucungie, PA (US);
Raymond Nicholas Vrtis, Carlsbad, CA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; C08G / ;
U.S. Cl.
CPC ...
528219 ; 361746 ;
Abstract
The present invention is directed to novel poly(arylene ethers), their synthesis and use in electronics applications as low dielectric insulating layers such as spin-on materials in integrated circuits. The polymers have repeating units of the structure: ##STR1## wherein m=0.2 to 1.0; and n=1.0-m; and Ar.sub.1, Ar.sub.2 and Ar.sub.3 are individually divalent arylene radicals selected from the group consisting of; ##STR2##