Patent US2887116A successfully refreshed from Google Patents.
US2887116A
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Treatment of keratinous material
Assignee: Wyeth Holdings LLC
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Filing: 1955-10-20
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Granted: 1959-05-19
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Expires: 1975-10-20
Abstract
No abstract record available.
Inventors
- 👤 William M Wooding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:54
CPC Classifications
A; A61; A61Q; A61Q3/00; A61Q3/02; A45; A45D; A45D29/00; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/73; A61K8/731; A61K8/84
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
PROCESS FOR FORMING A LUSTROUS FINISH OF IMPROVED DURABILITY OM SMOOTH KERATINOUS MATERIAL WHICH COMPRISES WETTING THE SURFACE OF SAID KERATINOUS MATERIAL WITH A FLUID DISPERSION CONSISTING ESSENTIALLY OF BETWEEN ABOUT 0.0U% AND 5% BY WEIGHT OF A WATER-DISPERSIBLE HYDROPHILIC IONIC ORGANIC NITROGENOUS POLYMERT IN LIQUID DILUENT THEREFOR AS AN ACHORING AGENT, AND THEN COATING SAID KERATINOUS MATERIAL WITH A LUSTROUS HYDROPHOBIC ORGANIC FILM.
Claim 2
Dependent Claim
64 words
PROCESS FOR FORMING A LUSTROUS FINISH OF IMPROVED DURABILITY OM SMOOTH KERATINOUS MATERIAL WHICH COMPRISES WETTING THE SURFACE OF SAID KERATINOUS MATERIAL WITH A FLUID DISPERSION CONSISTING ESSENTIALLY OF BETWEEN ABOUT 0.0U% AND 5% BY WEIGHT OF A WATER-DISPERSIBLE HYDROPHILIC IONIC ORGANIC NITROGENOUS POLYMERT IN LIQUID DILUENT THEREFOR AS AN ACHORING AGENT, AND THEN COATING SAID KERATINOUS MATERIAL WITH A LUSTROUS HYDROPHOBIC ORGANIC FILM.
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) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |