3615254

Information

• Patent Grant
• 3615254

• References
• Source

• Patent Number

  3,615,254

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1971
  53 years ago

• CPC

  • C08B1/10 - Apparatus for the preparation of alkali cellulose
  • B29B7/484 - with two shafts provided with screws
  • B29C47/6087 - characterised by the length of the screw or of a section
  • B29C47/662 - for twin screws
  • C08B11/02 - Alkyl or cycloalkyl ethers
  • C08B17/06 - for making cellulose ethers

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 100 - Presses
  • 366 - Agitating
  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 536 - Organic compounds