Patent US3616803A successfully refreshed from Google Patents.
US3616803A
Expired / Lapsed
US
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Removal of dye from hair
Assignee: Gillette Co LLC
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Filing: 1969-05-21
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Granted: 1971-11-02
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Expires: 1989-05-21
Abstract
Abstract COMPOSITION FOR APPLICATION TO HUMAN HAIR TO REMOVE DYE THEREFROM IS A TWO-PHASE LIQUID SYSTEM OF WATER AND ORGANIC SOLVENT FOR THE DYE, THE SYSTEM CONTAINING AT LEAST 1% BY WEIGHT OF DISSOLVED SALT AND HAVING A PH OF 7.5-11.5.
Inventors
- 👤 John Menkart
- 👤 Agnes Eleanor Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:37
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/34; A61Q; A61Q5/00; A61Q5/08
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) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |