2231891

Information

• Patent Grant
• 2231891

• References
• Source

• Patent Number

  2,231,891

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1941
  84 years ago

• CPC

  • D06P1/5242 - Polymers of unsaturated N-containing compounds
  • D06F71/02 - actuated wholly by hand or foot
  • D06F71/023 - with an upper movable pressing member and a lower fixed pressing member
  • D06P1/6424 - Compounds containing isocyanate or isothiocyanate groups
  • D06P5/225 - Aminalization of cellulose; introducing aminogroups into cellulose
  • Y10T428/2907 - with coating or impregnation
  • Y10T428/2971 - Impregnation

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 008 - Bleaching and dyeing
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 524 - Synthetic resins or natural rubbers