US2890987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stick-form astringent compositions
Assignee: Witco Corp
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Filing: 1954-04-14
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Granted: 1959-06-16
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Expires: 1974-04-14
Abstract
No abstract record available.
Inventors
- 👤 Hilfer Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:02
CPC Classifications
A; A61; A61Q; A61Q15/00; A61K; A61K8/00; A61K8/02; A61K8/0216; A61K8/0229; A61K8/18; A61K8/19; A61K8/26; A61K8/30; A61K8/33; A61K8/34; A61K8/345; A61K8/40; A61K8/42; Y; Y10; Y10S; Y10S424/00; Y10S424/05
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
AN ASTRINGENT COMPOSITION IN STICK FORM CONTAINING A WATER-SOLUBLE METALLIC SALT ASTRINGENT, A NORMALLY SOLID HIGHER FATTY ACID AMIDE OF AN ALKYLOLAMINE IN WHICH THE FATTY ACID RADICAL CONTAINS AT LEAST 12 CARBON ATOMS THE ALKYLOL GROUPS OF SAID ALKYLOLAMINE CONTAINING FROM 2 TO 3 CARBON ATOMS, A WATER-SOLUBLE ALKYLENE POLYHYDRIC ALCOHOL IN WHICH AQUEOUS SOLUTIONS OF SAID ASTRINGENT ARE SOLUBLE, AND WATER, SAID COMPOSITION CONTAINING FROM ABOUT 5% TO ABOUT 25% OF SAID ASTRINGENT, FROM ABOUT 15% TO ABOUT 40% OF SAID ALKYLENE POLYHDRIC ALCOHOL, FROM ABOUT 10% TO ABOUT 40% OF WATER, SAID PERCENTAGES ABOUT 10% TO ABOUT 40% OF WATER, SAID PERCENTAGES BEING BY WEIGHT OF THE TOTAL COMPOSITION, THE AFORESAID INGREDIENTS IN THE PROPORTIONS RECITED PRODUCING SAID STICK-FORM ASTRINGENT COMPOSITION.
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) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |