3639249

Information

• Patent Grant
• 3639249

• References
• Source

• Patent Number

  3,639,249

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1972
  52 years ago

• CPC

  • C11B5/0057 - Amides or imides
  • A61K8/42 - Amides
  • A61Q17/04 - Topical preparations for affording protection against sunlight or other radiation Topical sun tanning preparations
  • C09K15/22 - containing an amide or imide moiety
  • D06M13/418 - Cyclic amides
  • G03C1/8155 - Organic compounds therefor

• US Classifications

  • 252 - Compositions
  • 524 - Synthetic resins or natural rubbers
  • 560 - Organic compounds