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US4713397A
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Composition for reducing natural hair fall-out
Assignee: Eisai Co Ltd
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Filing: 1985-08-26
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Granted: 1987-12-15
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Expires: 2005-08-26
Abstract
Abstract A composition for reducing hair fall-out comprising a ubiquinone (coenzyme Q n ) represented by the general formula: ##STR1## wherein n represents an integer of from 7 to 10. In addition to such a ubiquinone, the composition may contain a skin peripheral vasodilator drug, such as carpronium chloride, vitamin E nicotinate and benzyl nicotinate.
Inventors
- 👤 Shinichi Hirama
- 👤 Toshio Nishiyama
- 👤 Youichi Ohta
- 👤 Makoto Uzuka
- 👤 Kenichi Tomita
- 👤 Keisuke Nakajima
- 👤 Kazumaro Furuse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:12
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61K8/33; A61K8/35; A61K8/355; A61K8/67; A61K8/673; A61K8/675; A61K8/678; A61Q; A61Q7/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
38 words
A method of reducing natural fall-out of hair on a human, which comprises topically applying to the human an effective amount of a ubiquinone of the formula: ##STR3## wherein n represents an integer of from 7 to 10.
Claim 2
Independent Claim
38 words
A method of reducing natural fall-out of hair on a human, which comprises topically applying to the human an effective amount of a ubiquinone of the formula: ##STR3## wherein n represents an integer of from 7 to 10.
Claim 3
Dependent Claim
11 words
A method according to claim 1, wherein the ubiquinone is ubiquinone-10.
Claim 4
Dependent Claim
40 words
A method according to claim 1, wherein the ubiquinone is applied as a composition which contains the ubiquinone and a skin peripheral vasodilator drug in a proportion of the ubiquinone to the skin peripheral vasodilator drug of 0.01-2:0.1-2 by weight.
Claim 5
Dependent Claim
27 words
A method according to claim 3, wherein the skin peripheral vasodilator drug is selected from the group consisting of carpronium chloride, vitamin E nicotinate and benzyl nicotinate.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-12-14 | 1991-06-15 | 1991-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-12-14 | 1995-06-15 | 1995-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-12-14 | 1999-06-15 | 1999-12-15 | $7700.00 | Window Closed / Lapsed |