3879316

Information

• Patent Grant
• 3879316

• References
• Source

• Patent Number

  3,879,316

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1975
  50 years ago

• CPC

  • F16K35/02 - to be locked or disconnected by means of a pushing or pulling action
  • A63B6/02 - for landing
  • C08G18/2805 - Compounds having only one group containing active hydrogen
  • C08G18/2875 - Monohydroxy compounds containing tertiary amino groups
  • C08G18/2885 - containing halogen atoms
  • C08G18/3802 - having halogens
  • C08G18/3814 - Polyamines
  • C08G18/4841 - containing oxyethylene end groups
  • C08G18/794 - formed by oligomerisation of aromatic isocyanates or isothiocyanates
  • D21H21/48 - Elements suited for physical verification
  • F16K31/44 - Mechanical actuating means
  • C08G2101/005 - < 50 kg/m
  • Y10S521/902 - Cellular polymer containing an isocyanurate structure
  • Y10S521/904 - Polyurethane cellular product having high resiliency or cold cure property

• US Classifications

  • 521 - Synthetic resins or natural rubbers