发明申请
- 专利标题: Sunscreen composition
- 专利标题(中): 防晒组合
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申请号: US11895220申请日: 2007-08-23
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公开(公告)号: US20080050323A1公开(公告)日: 2008-02-28
- 发明人: Prasenjit Bhunia , Amitava Pramanik , Srinivasa Gopalan Raman
- 申请人: Prasenjit Bhunia , Amitava Pramanik , Srinivasa Gopalan Raman
- 专利权人: Conopco, Inc. d/b/a UNILEVER
- 当前专利权人: Conopco, Inc. d/b/a UNILEVER
- 优先权: IN1323/MUM/06 20060823; EPEP07103667 20070307
- 主分类号: A61K8/35
- IPC分类号: A61K8/35 ; A61K8/36 ; A61Q17/04
摘要:
It has been reported that many organic sunscreens lose their efficacy on exposure to UV rays. Further some of the organic sunscreens are known to interact with each other when applied on the skin with or without exposure to UV radiation. Thus such compositions are not stable. They are not very effective in blocking the UV-rays a few minutes or hours after the product has been applied to the skin. Further when such compositions are used and then exposed to sunlight or UV rays, the period over which the skin is actually protected is very short, while the consumer is under the mistaken impression that the composition is protecting his/her skin. This false impression can lead to the consumer exposing himself/herself more to sunlight thereby getting more damage to the skin.A solution to the foregoing problem is provided by a stable sunscreen composition comprising: (a) a complex of a first organic sunscreen % with a first paramagnetic metal ion; and (b) a second organic sunscreen.
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