US2719104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing composition and process for keratinaceous material
Assignee: Individual
•
Filing: 1951-07-11
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Granted: 1955-09-27
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Expires: 1971-07-11
Abstract
No abstract record available.
Inventors
- 👤 Carl G Westerberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:42
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61K8/19; A61Q; A61Q5/00; A61Q5/10; D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/30; D06P3/3083; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A DYEING COMPOSITION FOR KERATINACEOUS MATERIAL COMPRISING AN AQUEOUS SOLUTION OF A WATER SOLUBLE THIOL COMPOUND, A WATER SOLUBLE SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF COBALT, NICKEL, IRON, MANGANESE AND BISMUTH IN AN AMOUNT EQUAL TO AT LEAST ABOUT 3.3 PER CENT BY WEIGHT OF THE TOTAL COMPOSITION AND A WATER SOLUBLE ALKALINE MATERIAL, THE SOLUTION HAVING A PH WITHIN THE APPROXIMATE RANGE OF 8-10.5.
Claim 2
Dependent Claim
69 words
A DYEING COMPOSITION FOR KERATINACEOUS MATERIAL COMPRISING AN AQUEOUS SOLUTION OF A WATER SOLUBLE THIOL COMPOUND, A WATER SOLUBLE SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF COBALT, NICKEL, IRON, MANGANESE AND BISMUTH IN AN AMOUNT EQUAL TO AT LEAST ABOUT 3.3 PER CENT BY WEIGHT OF THE TOTAL COMPOSITION AND A WATER SOLUBLE ALKALINE MATERIAL, THE SOLUTION HAVING A PH WITHIN THE APPROXIMATE RANGE OF 8-10.5.
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) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |