3850639

Information

• Patent Grant
• 3850639

• References
• Source

• Patent Number

  3,850,639

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1974
  50 years ago

• CPC

  • G03C1/30 - Hardeners
  • Y10S430/139 - Defect coating

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 106 - Compositions: coating or plastic
  • 527 - Synthetic resins or natural rubbers
  • 530 - Chemistry: natural resins or derivatives