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:
Dec. 09, 1980
Filed:
Aug. 14, 1978
Applicant:
Inventor:
James C Fang, Media, PA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B / ; C25B / ; H01M / ; C08K / ;
U.S. Cl.
CPC ...
204 98 ; 162155 ; 204295 ; 204296 ; 204128 ; 429251 ; 521 27 ; 521 33 ;
Abstract
Magnesium compounds, such as magnesium oxide or hydroxide, at least partially reacted with fluoropolymer containing carboxyl ions, carboxylic acid or carbonyl fluoride functional groups provide compositions which are useful as modifiers for asbestos diaphragms for chlor-alkali cells to reduce the voltage and increase the efficiency of such cells.