3847842

Information

• Patent Grant
• 3847842

• References
• Source

• Patent Number

  3,847,842

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1974
  50 years ago

• CPC

  • D06M11/52 - with selenium, tellurium, polonium or their compounds with sulfur, dithionites or compounds containing sulfur and halogens, with or without oxygen by sulfohalogenation with chlorosulfonic acid by sulfohalogenation with a mixture of sulfur dioxide and free halogens
  • B01J45/00 - Ion-exchange in which a complex or a chelate is formed Use of material as complex or chelate forming ion-exchangers Treatment of material for improving the complex or chelate forming ion-exchange properties
  • B01J47/123 - Use of materials in the form of filaments or fibres
  • C02F1/285 - using synthetic organic sorbents
  • D01F6/20 - from polymers of cyclic compounds with one carbon-to-carbon double bond in the side chain
  • D06M13/342 - Amino-carboxylic acids Betaines Aminosulfonic acids Sulfo-betaines
  • D06M13/438 - Sulfonamides ; Sulfamic acids

• US Classifications

  • 521 - Synthetic resins or natural rubbers
  • 008 - Bleaching and dyeing