3822238

Information

• Patent Grant
• 3822238

• References
• Source

• Patent Number

  3,822,238

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1974
  50 years ago

• CPC

  • A61K8/042 - Gels
  • A01N25/10 - Macromolecular compounds
  • A61K8/87 - Polyurethanes
  • A61Q5/06 - Preparations for styling the hair
  • B01D71/54 - Polyureas Polyurethanes
  • C08G18/0804 - Manufacture of polymers containing ionic or ionogenic groups
  • C08G18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
  • C08G18/48 - Polyethers
  • C08G18/50 - having heteroatoms other than oxygen
  • C08G18/52 - Polythioethers
  • C08G18/60 - Polyamides or polyester-amides
  • C08G18/62 - Polymers of compounds having carbon-to-carbon double bonds
  • C08G18/6423 - Polyalkylene polyamines; polyethylenimines; Derivatives thereof
  • C08G18/6453 - having sulfur
  • C08G18/6461 - having phosphorus
  • C08G18/68 - Unsaturated polyesters
  • C08G2210/00 - Compositions for preparing hydrogels
  • Y10S521/905 - Hydrophilic or hydrophobic cellular product
  • Y10S528/903 - Polymerizing or processing an isocyanate under substantially anhydrous conditions
  • Y10S528/904 - Isocyanate polymer having stated hydrophilic or hydrophobic property

• US Classifications

  • 528 - Synthetic resins or natural rubbers
  • 106 - Compositions: coating or plastic
  • 433 - Dentistry
  • 521 - Synthetic resins or natural rubbers
  • 525 - Synthetic resins or natural rubbers