3449572

Information

• Patent Grant
• 3449572

• References
• Source

• Patent Number

  3,449,572

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1969
  55 years ago

• CPC

  • A61Q17/04 - Topical preparations for affording protection against sunlight or other radiation Topical sun tanning preparations
  • A61K8/494 - with more than one nitrogen as the only hetero atom
  • G03C1/61 - with non-macromolecular additives
  • G03C1/73 - containing organic compounds
  • Y10S204/901 - Effecting a color change by wave energy

• US Classifications

  • 250 - Radiant energy
  • 204 - Chemistry: electrical and wave energy
  • 436 - Chemistry: analytical and immunological testing