US5415875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-peroxide external preparation for skin
Assignee: Shiseido Co Ltd
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Filing: 1993-10-22
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Granted: 1995-05-16
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Expires: 2013-10-22
Abstract
Abstract An anti-peroxide external preparation for skin comprising: decomposition product of shell membrane: and tocopherol and/or derivatives thereof. It is possible to suppress formation of peroxide and remove it.
Inventors
- 👤 Hiroyuki Kakoki
- 👤 Yoshiyuki Kono
- 👤 Shinichiro Funatsu
- 👤 Masaaki Komatsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:20
CPC Classifications
A; A61; A61Q; A61Q19/00; A61K; A61K31/00; A61K31/33; A61K31/335; A61K31/35; A61K31/352; A61K31/353; A61K31/355; A61K35/00; A61K35/56; A61K35/57; A61K8/00; A61K8/18; A61K8/30; A61K8/67; A61K8/671; A61K8/678; A61K8/96; A61K8/98; A61K8/981; A61K8/982; A61Q19/08
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
62 words
A method of suppressing formation of lipid peroxide and removing peroxide comprising applying to the skin a preparation comprising: decomposition product of shell membrane in an amount of 0.00005 to 0.5 weight percent and tocopherol and derivatives selected from the group consisting of alpha-tocopherol, tocopherol acetate, DL-alpha tocopherol nicotinate and DL-alpha tocopherol succinate in an amount of 0.005 to 5.0 weight percent.
Claim 2
Independent Claim
62 words
A method of suppressing formation of lipid peroxide and removing peroxide comprising applying to the skin a preparation comprising: decomposition product of shell membrane in an amount of 0.00005 to 0.5 weight percent and tocopherol and derivatives selected from the group consisting of alpha-tocopherol, tocopherol acetate, DL-alpha tocopherol nicotinate and DL-alpha tocopherol succinate in an amount of 0.005 to 5.0 weight percent.
Claim 3
Dependent Claim
30 words
A method according to claim 1, further comprising a cosmetic base selected from the group consisting of a soluble agent, an emulsifying agent, an ointment, a dispersant and an aerosol.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-05-15 | 1998-11-14 | 1999-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-05-15 | 2002-11-14 | 2003-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-05-15 | 2006-11-14 | 2007-05-16 | $7700.00 | Window Closed / Lapsed |