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:
Nov. 28, 1995
Filed:
Jul. 14, 1994
Jean Bachot, Bourg la Reine, FR;
Pascal Stutzmann, Paris, FR;
Rhone-Poulenc Chimie, Courbevoie, FR;
Abstract
Microporous diaphragms adapted for wet-consolidation with composite cathodes for use in electrolytic cells, e.g., chlorine/soda electrolysis cells, comprise a sintered, fluoropolymer microconsolidated asbestos-free microporous fibrous sheet material, such sheet material including from 3% to 35% by weight of fluoropolymer binder, from 0% to 50% by weight of a uniformly distributed gel of an oxohydroxide of at least one metal of Groups IVA, IVB, VB and VIB of the Periodic Table or of the lanthanide or actinide series thereof, and from 20% to 95% by weight of a mixture of poly-tetrafluoroethylene (PTFE) fibers and inorganic fibers, such inorganic fibers constituting from 1% to 80% by weight of the mixture and such inorganic fibers including carbon, graphite or titanate fibers, or admixture thereof.