US5254333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair treatment composition and hair dye composition
Assignee: Kao Corp
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Filing: 1991-06-27
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Granted: 1993-10-19
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Expires: 2011-06-27
Abstract
Abstract The hair treatment composition of the present invention comprises (A) 2-benzyloxyethanol and (B) one or more polymers selected from the group consisting of anionic polymers, cationic polymers and amphoteric polymers. The hair dye composition of the present invention comprises (a) an acidic dye, (b) 2-benzyloxyethanol and (C) a water-soluble polymer compound.
Inventors
- 👤 Takayoshi Kajino
- 👤 Toru Yoshihara
- 👤 Joshin Okada
- 👤 Hidetoshi Tagami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:44
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/34; A61K8/72; A61K8/73; A61K8/731; A61K8/81; A61K8/817; A61Q; A61Q5/00; A61Q5/06; A61Q5/065; A61K2800/00; A61K2800/40; A61K2800/54; A61K2800/542; A61K2800/5424; A61K2800/5426; A61K2800/5428
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
37 words
A hair dye composition which comprises (a) 0.0001 to 10% by weight of an acidic dye, (b) 0.1 to 30% by weight of 2-benzyloxyethanol, and (c) 0.05 to 20% by weight of a water-soluble nonionic polymer compound.
Claim 2
Dependent Claim
37 words
A hair dye composition which comprises (a) 0.0001 to 10% by weight of an acidic dye, (b) 0.1 to 30% by weight of 2-benzyloxyethanol, and (c) 0.05 to 20% by weight of a water-soluble nonionic polymer compound.
Claim 3
Dependent Claim
24 words
A hair dye composition as claimed in claim 1, which further comprises an acid and has a pH value of from 2 to 6.
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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) | 1996-10-18 | 1997-04-19 | 1997-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-10-18 | 2001-04-19 | 2001-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-10-18 | 2005-04-19 | 2005-10-19 | $7700.00 | Window Closed / Lapsed |