3837995

Information

• Patent Grant
• 3837995

• References
• Source

• Patent Number

  3,837,995

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1974
  50 years ago

• CPC

  • D21H27/30 - Multi-ply
  • D04H1/04 - from fleeces or layers composed of fibres having existing or potential cohesive properties
  • D21H11/12 - Pulp from non-woody plants or crops
  • D21H13/08 - from regenerated cellulose
  • D21H13/14 - Polyalkenes
  • D21H13/18 - Polymers of unsaturated acids or derivatives thereof
  • D21H13/24 - Polyesters
  • D21H13/26 - Polyamides Polyimides
  • D21H13/34 - Protein fibres
  • Y10T442/62 - Including another chemically different microfiber in a separate layer
  • Y10T442/627 - Strand or fiber material is specified as non-linear [e.g., crimped, coiled, etc.]
  • Y10T442/668 - Separate nonwoven fabric layers comprise chemically different strand or fiber material

• US Classifications

  • 442 - Fabric
  • 156 - Adhesive bonding and miscellaneous chemical manufacture