3645836

Information

• Patent Grant
• 3645836

• References
• Source

• Patent Number

  3,645,836

• Date Filed

  Not available

• Date Issued

  Tuesday, February 29, 1972
  52 years ago

• CPC

  • D21H5/2628 - Formation of a product from several constituents
  • A61F13/15577 - Apparatus or processes for manufacturing
  • A61L15/60 - Liquid-swellable gel-forming materials
  • D21H17/31 - Gums
  • D21H23/04 - Addition to the pulp After-treatment of added substances in the pulp
  • Y10T156/1084 - of continuous or running length bonded web
  • Y10T442/668 - Separate nonwoven fabric layers comprise chemically different strand or fiber material
  • Y10T442/697 - Containing at least two chemically different strand or fiber materials

• US Classifications

  • 442 - Fabric
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 427 - Coating processes
  • 536 - Organic compounds
  • 604 - Surgery