2425501

Information

• Patent Grant
• 2425501

• References
• Source

• Patent Number

  2,425,501

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1947
  77 years ago

• CPC

  • C08J7/08 - Heat treatment
  • B29C71/02 - Thermal after-treatment
  • B29C2071/025 - Quenching
  • B29C2071/027 - Tempering
  • B29C2791/001 - Shaping in several steps
  • B29K2025/00 - Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
  • C08J2325/06 - Polystyrene

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 008 - Bleaching and dyeing