1908546

Information

• Patent Grant
• 1908546

• References
• Source

• Patent Number

  1,908,546

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1933
  92 years ago

• CPC

  • B29D7/01 - Films or sheets
  • B29C43/24 - Calendering
  • C08J5/18 - Manufacture of films or sheets
  • C08J7/08 - Heat treatment
  • C08L1/08 - Cellulose derivatives
  • C08J2301/08 - Cellulose derivatives
  • Y10S264/68 - Roll

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 226 - Advancing material of indeterminate length
  • 425 - Plastic article or earthenware shaping or treating: apparatus