Patent US5427775A successfully refreshed from Google Patents.
US5427775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Whitening embellisher
Assignee: Eisai R&D Management Co Ltd
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Filing: 1993-03-17
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Granted: 1995-06-27
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Expires: 2013-03-17
Abstract
Abstract A whitening embellisher includes, as an active ingredient, teprenone (chemical name: geranylgeranylacetone). A whitening and beautifying composition includes teprenone and one or more substances selected from kojic acid, L-ascorbic acid and the like. The whitening embellisher, and whitening and beautifying composition prevent the skin from pigmenting and darkening due to sunburn and/or aging, and quicken fading, and hence make spots and freckles inconspicuous when the preparations are used for external application as a cream or milky lotion.
Inventors
- 👤 Itaru Sakai
- 👤 Kana Satoh
- 👤 Tomohide Tanaka
- 👤 Yutaka Morita
- 👤 Takashi Hibi
- 👤 Yoshio Tanabe
- 👤 Shigemitsu Osawa
- 👤 Yasushi Tomita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:02
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/55; A61K8/33; A61K8/35; A61K8/49; A61K8/4973; A61K8/498; A61K8/60; A61K8/67; A61K8/676; A61Q; A61Q19/00; A61Q19/02; A61Q19/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
26 words
A whitening and beautifying composition comprising: (1) teprenone and (2) one or more substances selected from the group consisting of kojic acid, L-ascorbic acid and arbutin.
Claim 2
Dependent Claim
26 words
A whitening and beautifying composition comprising: (1) teprenone and (2) one or more substances selected from the group consisting of kojic acid, L-ascorbic acid and arbutin.
Claim 3
Dependent Claim
25 words
The whitening and beautifying composition as claimed in claim 1, which is a preparation selected from the group consisting of cream, ointment, lotion and plaster.
Claim 4
Dependent Claim
25 words
The whitening and beautifying composition as claimed in claim 1, which is a preparation selected from the group consisting of tablets, granules, powder and liquid.
Claim 5
Dependent Claim
17 words
The whitening and beautifying composition as claimed in claim 2, wherein the lotion is a milky lotion.
References Cited (Backward Citations)
US4814353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-06-26 | 1998-12-26 | 1999-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-06-26 | 2002-12-26 | 2003-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-06-26 | 2006-12-26 | 2007-06-27 | $7700.00 | Window Closed / Lapsed |