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. 02, 2000
Filed:
May. 27, 1999
Applicant:
Inventors:
Fred E Arnold, Centerville, OH (US);
Thuy D Dang, Centerville, OH (US);
Robert J Spry, Tipp City, OH (US);
Max D Alexander, Kettering, OH (US);
Patrick T Mather, Beavercreek, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528183 ; 528185 ; 528190 ; 528191 ; 528193 ; 528272 ; 528289 ; 528291 ; 528298 ; 528308 ; 528335 ; 528361 ; 528401 ;
Abstract
A polymer system having repeating units of the formula: ##STR1## wherein A is --H or --OH, x has a value of 0.5 to 1.0 and y has a value of 1.0-x, exhibits a high glass transition temperature (T.sub.g) and a low dielectric constant. The polymer system is useful in the area of microelectronic packaging.