2546868

Information

• Patent Grant
• 2546868

• References
• Source

• Patent Number

  2,546,868

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1951
  74 years ago

• CPC

  • C08J9/122 - Hydrogen, oxygen, CO2, nitrogen or noble gases
  • B29C44/3446 - Feeding the blowing agent
  • B29C44/3453 - Feeding the blowing agent to solid plastic material
  • B29C44/3488 - Vulcanizing the material before foaming
  • C08L21/00 - Compositions of unspecified rubbers
  • C08J2201/032 - Impregnation of a formed object with a gas
  • C08J2205/052 - Closed cells
  • C08J2321/00 - Characterised by the use of unspecified rubbers

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 521 - Synthetic resins or natural rubbers