3853681

Information

• Patent Grant
• 3853681

• References
• Source

• Patent Number

  3,853,681

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1974
  50 years ago

• CPC

  • B29D99/0089 - Producing honeycomb structures
  • B31D3/0269 - Forming piles by winding a web on a reel
  • B32B3/12 - characterised by a layer of regularly- arranged cells
  • C08G18/6715 - Unsaturated monofunctional alcohols or amines
  • C08G18/835 - Unsaturated polymers modified by compounds containing a thiol group
  • C08G75/045 - from mercapto compounds and unsaturated compounds
  • C09J175/14 - Polyurethanes having carbon-to-carbon unsaturated bonds
  • Y10T156/1003 - by separating laminae between spaced secured areas [e.g., honeycomb expanding]
  • Y10T428/24165 - Hexagonally shaped cavities
  • Y10T428/24851 - Intermediate layer is discontinuous or differential

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 427 - Coating processes
  • 522 - Synthetic resins or natural rubbers