US5236950A
Expired / Lapsed
US
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Process for hair growth
Assignee: Toyama Chemical Co Ltd
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Filing: 1989-02-17
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Granted: 1993-08-17
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Expires: 2009-02-17
Abstract
Abstract This invention relates to a hair-restorer comprising, as an active ingredient, (a) an acyclic branched higher aliphatic hydrocarbon of 20 carbon atoms which may be substituted with hydroxyl group or acyloxy group, or (b) an acyclic branched carboxylic acid of 20 carbon atoms or its derivative and to a process for hair growth.
Inventors
- 👤 Hajime Aoyama
- 👤 Satoshi Ono
- 👤 Osamu Oohashi
- 👤 Hirokazu Narita
- 👤 Shuntaro Takano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:29
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4906; A61K8/4926; A61K8/33; A61K8/37; A61K8/34; A61K8/342; A61K8/375; A61K8/67; A61K8/673; A61K8/675; A61Q; A61Q7/00
Claims Analysis
Total Claims: 41
Claim 1
Independent Claim
137 words
A process for increasing the rate of hair growth in mammalian species, comprising applying to mammalian skin an effective amount of a compound selected from the group consisting of: a. phytol b. isophytol c. phytantriol d. phytyl nicotinate e. phytyl propionate f. phytyl isobutyrate g. phytyl 3,4,5-trimethoxybenzoate h. phytyl acetate i. phytyl acetyl lactate j. phytyl pivalate k. phytyl formyl lactate l. phytyl lactate m. N-acetylglycyl phytyl n. N,N-dimethylglycyl phytyl o. D,L-vinyl phytyl p. phytyl α-trimethylammonium acetate q. methyl phytyl ether r. ethyl phytyl ether s. isopropyl phytyl ether t. t-butyl phytyl ether u. phytyl N-methylcarbamate v. glycerol 3,7,11,15-tetramethyl-2-hexadecenoate w. ethyl 3,7,11,15-tetramethyl-2-hexadecenoate x. monophytyl succinate y. phytyl ethoxypropionate z. methyl phytyl succinate a'. isophytyl acetate b'. N-acetyl-L-methionyl phytyl c'. N-acetyl-D-valyl phytyl d'. ethyl phytyl thioether e'. ethyl phytyl sulfoxide f'. ethyl phytyl sulfone and g'. phytyl carbamate.
Claim 2
Dependent Claim
137 words
A process for increasing the rate of hair growth in mammalian species, comprising applying to mammalian skin an effective amount of a compound selected from the group consisting of: a. phytol b. isophytol c. phytantriol d. phytyl nicotinate e. phytyl propionate f. phytyl isobutyrate g. phytyl 3,4,5-trimethoxybenzoate h. phytyl acetate i. phytyl acetyl lactate j. phytyl pivalate k. phytyl formyl lactate l. phytyl lactate m. N-acetylglycyl phytyl n. N,N-dimethylglycyl phytyl o. D,L-vinyl phytyl p. phytyl α-trimethylammonium acetate q. methyl phytyl ether r. ethyl phytyl ether s. isopropyl phytyl ether t. t-butyl phytyl ether u. phytyl N-methylcarbamate v. glycerol 3,7,11,15-tetramethyl-2-hexadecenoate w. ethyl 3,7,11,15-tetramethyl-2-hexadecenoate x. monophytyl succinate y. phytyl ethoxypropionate z. methyl phytyl succinate a'. isophytyl acetate b'. N-acetyl-L-methionyl phytyl c'. N-acetyl-D-valyl phytyl d'. ethyl phytyl thioether e'. ethyl phytyl sulfoxide f'. ethyl phytyl sulfone and g'. phytyl carbamate.
Claim 3
Dependent Claim
11 words
The process according to claim 1, wherein the compound is phytol.
Claim 4
Dependent Claim
11 words
The process according to claim 1, wherein the compound is isophytol.
Claim 5
Dependent Claim
11 words
The process according to claim 1, wherein the compound is phytantriol.
Claim 6
Dependent Claim
12 words
The process according to claim 1, wherein the compound is phytyl nicotinate.
Claim 7
Dependent Claim
12 words
The process according to claim 1, wherein the compound is phytyl 3,4,5-trimethoxybenzoate.
Claim 8
Dependent Claim
12 words
The process according to claim 1, wherein the compound is monophytyl succinate.
Claim 9
Dependent Claim
12 words
The process according to claim 1, wherein the compound is phytyl ethoxypropionate.
Claim 10
Dependent Claim
13 words
The process according to claim 1, wherein the compound is methyl phytyl succinate.
Claim 11
Dependent Claim
12 words
The process according to claim 1, wherein the compound is isophytyl acetate.
Claim 12
Dependent Claim
12 words
The process according to claim 1, wherein the compound is N-acetyl-L-methionyl phytyl.
Claim 13
Dependent Claim
12 words
The process according to claim 1, wherein the compound is N-acetyl-D-valyl phytyl.
Claim 14
Dependent Claim
13 words
The process according to claim 1, wherein the compound is ethyl phytyl thioether.
Claim 15
Dependent Claim
13 words
The process according to claim 1, wherein the compound is ethyl phytyl sulfoxide.
Claim 16
Dependent Claim
13 words
The process according to claim 1, wherein the compound is ethyl phytyl sulfone.
Claim 17
Dependent Claim
12 words
The process according to claim 1, wherein the compound is phytyl carbamate.
Claim 18
Dependent Claim
72 words
A process for increasing the rate of hair growth in mammalian species, comprising applying to mammalian skin an effective amount of a compound selected from the group consisting of: A. phytol B. isophytol C. phytyl nicotinate D. phytyl propionate E. phytyl isobutyrate F. phytyl 3, 4, 5-trimethyl benzoate G. phytyl acetate H. phytyl acetyl lactate I. phytyl pivalate J. monophytyl succinate K. phytyl ethoxy propionate L. methyl phytyl succinate M. isophytyl acetate.
Claim 19
Dependent Claim
72 words
A process for increasing the rate of hair growth in mammalian species, comprising applying to mammalian skin an effective amount of a compound selected from the group consisting of: A. phytol B. isophytol C. phytyl nicotinate D. phytyl propionate E. phytyl isobutyrate F. phytyl 3, 4, 5-trimethyl benzoate G. phytyl acetate H. phytyl acetyl lactate I. phytyl pivalate J. monophytyl succinate K. phytyl ethoxy propionate L. methyl phytyl succinate M. isophytyl acetate.
Claim 20
Dependent Claim
137 words
A process for increasing the rate of hair growth in mammalian species, comprising applying to mammalian skin an effective amount of a compound selected from the group consisting of: A. phytol B. isophytol C. phytyl nicotinate D. phytyl propionate E. phytyl isobutyrate F. phytyl 3, 4, 5-trimethoxybenzoate G. phytyl acetate H. phytyl acetyl lactate I. phytyl pivalate J. phytyl formyl lactate K. phytyl lactate L. N-acetylglycyl phytyl M. N,N-dimethylglycyl phytyl N. D,L-valyl phytyl O. phytyl α-trimethylammonium acetate P. methyl phytyl ether Q. ethyl phytyl ether R. isopropyl phytyl ether S. t-butyl phytyl ether T. phytyl N-methylcarbamate U. glycerol 3,7,11,15-tetramethyl-2-hexadecenoate V. ethyl 3,7,11,15-tetramethyl-2-hexadecenoate W. monophytyl succinate X. phytyl ethoxypropionate Y. methyl phytyl succinate Z. isophytyl acetate a'. N-acetyl-L-methionyl phytyl b'. N-acetyl-D-valyl phytyl c'. ethyl phytyl thioether d'. ethyl phytyl sulfoxide e'. ethyl phytyl sulfone and f'. phytyl carbamate.
Claim 21
Dependent Claim
137 words
A process for increasing the rate of hair growth in mammalian species, comprising applying to mammalian skin an effective amount of a compound selected from the group consisting of: A. phytol B. isophytol C. phytyl nicotinate D. phytyl propionate E. phytyl isobutyrate F. phytyl 3, 4, 5-trimethoxybenzoate G. phytyl acetate H. phytyl acetyl lactate I. phytyl pivalate J. phytyl formyl lactate K. phytyl lactate L. N-acetylglycyl phytyl M. N,N-dimethylglycyl phytyl N. D,L-valyl phytyl O. phytyl α-trimethylammonium acetate P. methyl phytyl ether Q. ethyl phytyl ether R. isopropyl phytyl ether S. t-butyl phytyl ether T. phytyl N-methylcarbamate U. glycerol 3,7,11,15-tetramethyl-2-hexadecenoate V. ethyl 3,7,11,15-tetramethyl-2-hexadecenoate W. monophytyl succinate X. phytyl ethoxypropionate Y. methyl phytyl succinate Z. isophytyl acetate a'. N-acetyl-L-methionyl phytyl b'. N-acetyl-D-valyl phytyl c'. ethyl phytyl thioether d'. ethyl phytyl sulfoxide e'. ethyl phytyl sulfone and f'. phytyl carbamate.
Claim 22
Dependent Claim
12 words
The process according to claim 1, wherein the compound is phytyl propionate.
Claim 23
Dependent Claim
12 words
The process according to claim 1, wherein the compound is phytyl isobutyrate.
Claim 24
Dependent Claim
12 words
The process according to claim 1, wherein the compound is phytyl acetate.
Claim 25
Dependent Claim
12 words
The process according to claim 1, wherein the compound is phytyl acetyllactate.
Claim 26
Dependent Claim
12 words
The process according to claim 1, wherein the compound is phytyl pivalate.
Claim 27
Dependent Claim
12 words
The process according to claim 1, wherein the compound is phytyl formyllactate.
Claim 28
Dependent Claim
12 words
The process according to claim 1, wherein the compound is phytyl lactate.
Claim 29
Dependent Claim
12 words
The process according to claim 1, wherein the compound is N-acetylglycyl phytyl.
Claim 30
Dependent Claim
12 words
The process according to claim 1, wherein the compound is N,N-dimethylglycyl phytyl.
Claim 31
Dependent Claim
12 words
The process according to claim 1, wherein the compound is D,L-valyl phytyl.
Claim 32
Dependent Claim
12 words
The process according to claim 1, wherein the compound is phytyl α-trimethylammonioacetate.
Claim 33
Dependent Claim
13 words
The process according to claim 1, wherein the compound is methyl phytyl ether.
Claim 34
Dependent Claim
13 words
The process according to claim 1, wherein the compound is ethyl phytyl ether.
Claim 35
Dependent Claim
13 words
The process according to claim 1, wherein the compound is isopropyl phytyl ether.
Claim 36
Dependent Claim
13 words
The process according to claim 1, wherein the compound is t-butyl phytyl ether.
Claim 37
Dependent Claim
12 words
The process according to claim 1, wherein the compound is phytyl N-methylcarbamate.
Claim 38
Dependent Claim
12 words
The process according to claim 1, wherein the compound is glycerol 3,7,11,15-tetramethyl-2-hexadecenoate.
Claim 39
Dependent Claim
12 words
The process according to claim 1, wherein the compound is ethyl 3,7,11,15-tetramethyl-2-hexadecenoate.
Claim 40
Dependent Claim
45 words
The process according to any one of claims 19-36 and 1-16, wherein the compound is in association with a topical pharamaceutical carrier selected from the group consisting of powder, jelly, hair rinse, ointment, hair lotion, paste, hair cream, hair tonic, hair spray and hair aerosol.
Claim 41
Dependent Claim
19 words
The process according to claim 37, wherein compound is present in an amount of 0.1 to 10% by weight.
References Cited (Backward Citations)
GB780801A
Cited
FR1190002A
Cited
GB923400A
Cited
GB944834A
Cited
DE1467925A1
Cited
DE1467955A1
Cited
DE2652256A1
Cited
US4192953A
Cited
US4260551A
Cited
US4139619A
Cited
US4596812A
Cited
DE2812978A1
Cited
US4738801A
Cited
US4346109A
Cited
WO1983002390A1
Cited
US4491592A
Cited
JPS604113A
Cited
EP0129778A2
Cited
JPS61207321A
Cited
EP0204586A2
Cited
EP0287876A1
Cited
EP0315913A1
Cited
DE3738405A1
Cited
US4939171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-08-16 | 1997-02-15 | 1997-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-08-16 | 2001-02-15 | 2001-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-08-16 | 2005-02-15 | 2005-08-17 | $7700.00 | Window Closed / Lapsed |