Patent EP0474312A1 successfully refreshed from Google Patents.
Patent US5071441A successfully refreshed from Google Patents.
US5071441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair treatment and conditioning agents
Assignee: Revlon Consumer Products LLC
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Filing: 1990-09-06
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Granted: 1991-12-10
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Expires: 2010-09-06
Abstract
Abstract Mercaptyl-containing quaternary nitrogen compounds, which may contain additional functional moieties such as dye, polysiloxane, or polyoxyalkylenes groups, are useful in the treatment of hair, used in hair-treating compositions, to impart properties such as conditioning, shape, color, sheen, and manageability.
Inventors
- 👤 Richard Schnetzinger
- 👤 Joseph Ciaudelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:09
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/64; A45; A45D; A45D7/00; A45D7/04; A61K8/46; A61K8/72; A61K8/84; A61K8/89; A61K8/896; A61K8/899; A61Q; A61Q5/00; A61Q5/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
14 words
A hair-treating composition comprising an effective hair-treating amount of a mercapto-containing quaternary nitrogen compound.
Claim 2
Dependent Claim
14 words
A hair-treating composition comprising an effective hair-treating amount of a mercapto-containing quaternary nitrogen compound.
Claim 3
Dependent Claim
16 words
A composition according to claim 1 including an effective catalytic amount of a mercaptyl-disulfide interchange catalyst.
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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) | 1994-12-09 | 1995-06-10 | 1995-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-12-09 | 1999-06-10 | 1999-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-12-09 | 2003-06-10 | 2003-12-10 | $7700.00 | Window Closed / Lapsed |