US4943431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsified hair cosmetic
Assignee: Sunstar Inc
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Filing: 1988-12-19
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Granted: 1990-07-24
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Expires: 2008-12-19
Abstract
Abstract An emulsified hair cosmetic for providing easy combing and a feeling of smoothness to hair, and for protecting hair against heat and brushing, which comprises (i), a dimethylsilicone rubber of the formula: <CHEM> wherein R<1> and R<2> are methyl or hydroxyl; and n is an integer of 4000 to 9000, (ii) one or more specified polyalcohols, and (iii) one or more specified nonionic surfactants, the weight proportion of (iii):(i) being not more than 4:1 and the weight proportion of (iii):(ii) being in the range 1:2 to 2:1.
Inventors
- 👤 Masaki Awamura
- 👤 Kazushi Yamamoto
- 👤 Masashi Nanjo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:56
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/37; A61K8/375; A61K8/02; A61K8/04; A61K8/06; A61K8/34; A61K8/345; A61K8/72; A61K8/84; A61K8/89; A61K8/891; A61Q; A61Q5/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
119 words
An emulsified hair cosmetic which comprises (i) a dimethylsilicone rubber of the formula: ##STR4## wherein R 1 and R 2 are methyl or hydroxyl and n is an integer of 4000 to 9000; (ii) one or more polyalcohols selected from the group consisting of propylene glycol, 1,3-butylene glycol and glycerin; and (iii) one or more nonionic surfactants selected from the group consisting of polyoxyethylene oleyl ether, polyoxyethylene cetyl ether, ethylene glycol stearate, diethylene glycol stearate, polyethylene glycol stearate, polyethylene glycol distearate and glyceryl stearate, the total amount of (iii) being not more than 4 times the amount of (i) and not being less than 0.5 times the amount of (ii) and not more than twice the amount of (ii).
Claim 2
Dependent Claim
119 words
An emulsified hair cosmetic which comprises (i) a dimethylsilicone rubber of the formula: ##STR4## wherein R 1 and R 2 are methyl or hydroxyl and n is an integer of 4000 to 9000; (ii) one or more polyalcohols selected from the group consisting of propylene glycol, 1,3-butylene glycol and glycerin; and (iii) one or more nonionic surfactants selected from the group consisting of polyoxyethylene oleyl ether, polyoxyethylene cetyl ether, ethylene glycol stearate, diethylene glycol stearate, polyethylene glycol stearate, polyethylene glycol distearate and glyceryl stearate, the total amount of (iii) being not more than 4 times the amount of (i) and not being less than 0.5 times the amount of (ii) and not more than twice the amount of (ii).
Claim 3
Dependent Claim
21 words
An emulsified hair cosmetic according to claim 1, wherein the amount of the ingredient (i) is 0.01 to 10% by weight.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-07-23 | 1994-01-22 | 1994-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-07-23 | 1998-01-22 | 1998-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-07-23 | 2002-01-22 | 2002-07-24 | $7700.00 | Window Closed / Lapsed |