发明授权
US3895104A Sunscreening method and composition containing film forming polyamide material 失效
含有成膜聚酰胺材料的防晒方法和组合物

  • 专利标题: Sunscreening method and composition containing film forming polyamide material
  • 专利标题(中): 含有成膜聚酰胺材料的防晒方法和组合物
  • 申请号: US26237572
    申请日: 1972-06-13
  • 公开(公告)号: US3895104A
    公开(公告)日: 1975-07-15
  • 发明人: KARG GERHART
  • 申请人: AVON PROD INC
  • 专利权人: Avon Prod Inc
  • 当前专利权人: Avon Prod Inc
  • 优先权: US26237572 1972-06-13
  • 主分类号: A61L23/00
  • IPC分类号: A61L23/00
Sunscreening method and composition containing film forming polyamide material
摘要:
Sunscreening compositions and methods of using the same to protect human skin from erythema-causing radiation by applying to the skin compositions containing a cosmetic carrier, at least one ultraviolet absorbing material which has a maximum absorption peak between 280 millimicrons to about 320 millimicrons and a polyamide resinous material which is capable of forming a film and is alcohol-soluble. Sunscreening compositions containing the polyamide resinous materials, when applied to the skin, form a long lasting protective film which resists removal by water and perspiration.
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