US2681291A
Expired / Lapsed
US
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Aluminum stearate composition
Assignee: Wyeth Holdings LLC
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Filing: 1951-10-27
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Granted: 1954-06-15
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Expires: 1971-10-27
Abstract
No abstract record available.
Inventors
- 👤 Kenneth D Ashley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:38
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/41; C07C51/412; C09; C09D; C09D7/00; C09D7/40; C09D7/45; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A METHOD OF PREPARING AN ALUMINUM STEARATE COMPOSITION OF UNIFORM TEXTURE SUITABLE FOR USE AS A SUSPENDING AGENT IN PAINTS WHICH COMPRISES INTIMATELY MIXING TOGETHER, AT A TEMPERATURE BELOW THE MELTING POINT OF STEARIC ACID, ABOUT 25% TO 35% BY WEIGHT OF DRY FINELY DIVIDED STEARIC ACID AND ABOUT 75% TO 65% BY WEIGHT OF DRY FINELY DIVIDED ALUMINUM DISTEARATE.
Claim 2
Independent Claim
60 words
A METHOD OF PREPARING AN ALUMINUM STEARATE COMPOSITION OF UNIFORM TEXTURE SUITABLE FOR USE AS A SUSPENDING AGENT IN PAINTS WHICH COMPRISES INTIMATELY MIXING TOGETHER, AT A TEMPERATURE BELOW THE MELTING POINT OF STEARIC ACID, ABOUT 25% TO 35% BY WEIGHT OF DRY FINELY DIVIDED STEARIC ACID AND ABOUT 75% TO 65% BY WEIGHT OF DRY FINELY DIVIDED ALUMINUM DISTEARATE.
References Cited (Backward Citations)
US2315029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |