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. 21, 1986
Filed:
Nov. 01, 1984
Applicant:
Inventor:
Peter F Radice, Upper Merion, PA (US);
Assignee:
Pennwalt Corporation, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
204168 ; 204169 ; 264 22 ; 427 40 ;
Abstract
Methods are disclosed for stabilizing poled piezoelectric and pyroelectric polymer films by exposing the poled film to a glow discharge at a reduced pressure for a sufficient period to thereby remove unwanted and unstable homo- and hetero-charges from the poled film.