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US 6,190,575 B1Granted
Polymer electrolyte, a polymer aggregating agent prepared therefrom, and a disposal of waste water
AssigneeSony Corporation
InventorsYasuhito Inagaki, Tsutomu Noguchi, Haruo Watanabe, Miyuki Kuromiya
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Abstract
A polymer electrolyte which contains an inorganic pigment, having a sulfonated polystyrene resin as a principal ingredient, and is soluble to water.
Claims1
A method of producing a polymer aggregating agent comprising the steps of:
- dissolving a non-ionic or anionic acrylamide resin in a solvent;
- adding carbon black to the dissolved resin and solvent;
- mixing the carbon black, resin and solvent;
- sulfonating said resin;
- neutralizing the sulfonated resin;
- and
- removing the solvent to provide an aqueous solution of polymer aggregating agent.
4 more elements
Dependencies are inferred from the claim text.