3437510

Information

• Patent Grant
• 3437510

• References
• Source

• Patent Number

  3,437,510

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1969
  56 years ago

• CPC

  • C08G18/8035 - Masked aromatic polyisocyanates not provided for in one single of the groups C08G18/8019 and C08G18/8029
  • C08G18/4211 - derived from aromatic dicarboxylic acids and dialcohols
  • C08G18/8006 - with compounds of C08G18/32
  • G11B5/62 - Record carriers characterised by the selection of the material
  • G11B5/7021 - containing a polyurethane or a polyisocyanate
  • G11B5/7022 - containing mixtures of polyurethanes or polyisocyanates with other polymers

• US Classifications

  • 427 - Coating processes
  • 252 - Compositions
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER