2121131

Information

• Patent Grant
• 2121131

• References
• Source

• Patent Number

  2,121,131

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1938
  86 years ago

• CPC

  • B41N7/06 - for inking rollers
  • C09D11/03 - characterised by features other than the chemical nature of the binder
  • C09D11/04 - based on proteins
  • C09D189/06 - derived from leather or skin
  • B41N2207/02 - Top layers

• US Classifications

  • 106 - Compositions: coating or plastic