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. 30, 1989
Filed:
Aug. 15, 1988
Applicant:
Inventor:
Roland Dapo, Columbia, SC (US);
Assignee:
North American Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G / ;
U.S. Cl.
CPC ...
361504 ; 252 622 ;
Abstract
Improved electrolytes for electrolytic capacitors contain a choline salt of aromatic dicarboxylic acids or tetracarboxylic acids, cis-aliphatic and cis-alicylic dicarboxylic acids and tetracarboxylic acids in a mole ratio of choline to carboxylic groups of 1 to 2 and an aprotic solvent.