3642774

Information

• Patent Grant
• 3642774

• References
• Source

• Patent Number

  3,642,774

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  53 years ago

• CPC

  • D21H17/17 - Ketenes
  • C08B5/00 - Preparation of cellulose esters of inorganic acids
  • C08B31/066 - Starch phosphates
  • C08B37/00 - Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00 Derivatives thereof
  • C08K5/15 - Heterocyclic compounds having oxygen in the ring
  • C08K5/1525 - Four-membered rings
  • D06M13/292 - Mono-, di- or triesters of phosphoric or phosphorous acids Salts thereof
  • D06M15/11 - Starch or derivatives thereof

• US Classifications

  • 536 - Organic compounds
  • 106 - Compositions: coating or plastic
  • 524 - Synthetic resins or natural rubbers