US3644615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water resistant hair grooming compositions
Assignee: Hexion Inc
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Filing: 1968-07-01
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Granted: 1972-02-22
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Expires: 1988-07-01
Abstract
Abstract THIS INVENTION RELATES TO NOVEL HAIR GROOMING COMPOSITIONS CAPABLE OF FORMING WATER RESISTANT AND ALKAI SOLUBLE FILMS ON HAIR COMPRISING A PROTEINACEOUS SUBSTANCE AND SELECTIVE INSOLUBILIZING AGENT SELECTED FROM THE GROUP CONSISTING OF FORMALDEHYDE AND FORMALDEHYDE-EVOLVING COMPOUNDS, AND HEAVY METAL COMPOUNDS AND TO A METHOD OF SETTING HAIR COMPRISING APPLYING SAID COMPOSITION TO HAIR AND DRYING IT ON THE HAIR TO A WATER-RESISTANT FILM, WHEREBY THE HAIR RESISTS DEFORMATION ON CONTACT WITH RAIN OR WATER BUT MAY BE EASILY WASHED FREE OF THE APPLIED FILM BY SIMPLE SHAMPOOING WITH SOPAS AND DETERGENTS.
Inventors
- 👤 Harold Karl Salzberg
- 👤 Walter G Sten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:58
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/64; A61K8/65; A61K8/645; A61Q; A61Q5/00; A61Q5/06; Y; Y10; Y10S; Y10S424/00; Y10S424/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-21 | 1975-08-23 | 1976-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-21 | 1979-08-23 | 1980-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-21 | 1983-08-23 | 1984-02-22 | $7700.00 | Window Closed / Lapsed |