About 22 results
https://drivepatents.com/patents/994984 · 19 Dec 2012
The present invention provides a fluoroalkane derivative represented by the following general formula (1): R-SO-Ar-O-R (1) wherein Ar denotes a substituted or nonsubstituted divalent aromatic group having 8 to 30 atoms of the nucleus(es), Rdenotes a satura...
https://drivepatents.com/patents/996696 · 31 Oct 2012
Provided is a multilayer porous film having a porous film comprised of a resin composition comprising a polypropylene and one or more polyolefins other than polypropylenes and an inorganic filler-containing porous layer stacked on at least on one side of t...
https://drivepatents.com/patents/1000052 · 25 Jul 2012
The present invention provides a fluoropolymer electrolyte material which has improved processability and which is easily produced. The electrolyte emulsion of the present invention comprises an aqueous medium and a fluoropolymer electrolyte dispersed in t...
https://drivepatents.com/patents/1002465 · 16 May 2012
The present invention provides a method for producing a stabilized fluoropolymer which comprises producing the stabilized fluoropolymer by subjecting a treatment target substance containing a sulfonic-acid-derived-group-containing fluoropolymer to a fluori...
https://drivepatents.com/patents/1003318 · 18 Apr 2012
The present invention provides an electrolyte solution and a lithium ion secondary battery which maintain for a long period high battery characteristics represented by the discharge capacity retention rate after the charge/discharge cycle, and simultaneous...
https://drivepatents.com/patents/1003967 · 28 Mar 2012
A multilayer porous film, comprising a porous layer including inorganic particles and a resin binder on at least one surface of a porous film containing a polyolefin resin as a main component, wherein the inorganic particles contain an aluminum silicate co...
https://drivepatents.com/patents/1006122 · 18 Jan 2012
Disclosed is a laminated separator including a first polyolefin microporous layer and a second polyolefin microporous layer which is laminated on the first polyolefin microporous layer and which is different from the first polyolefin microporous layer, whe...
https://drivepatents.com/patents/1006372 · 11 Jan 2012
There is provided a fluoropolymer electrolyte membrane having excellent performance under conditions of high temperature and low humidity and also having excellent durability. A fluoropolymer electrolyte membrane comprising a fluoropolymer electrolyte havi...
https://drivepatents.com/patents/1006730 · 28 Dec 2011
The electrolyte solution for a lithium ion secondary battery according to the present invention contains a nonaqueous solvent, a lithium salt and a compound represented by the general formula (1) shown below. Thereby, a lithium ion secondary battery having...
https://drivepatents.com/patents/1010476 · 3 Aug 2011
A microporous membrane winding includes a microporous membrane wound around a core. The core has an outer diameter of 5 inches or greater, and has an outer surface with a surface roughness of 3.0 µm or less. A microporous membrane that is excellent in thi...