US2918485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dihydroxy aluminum salicylates
Assignee: Keystone Chemurgic Corp
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Filing: 1955-09-21
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Granted: 1959-12-22
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Expires: 1975-09-21
Abstract
No abstract record available.
Inventors
- 👤 Remsen T Schenck
- 👤 Sarah K Schenck
- 👤 August J Buzas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:39
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/069; C07C; C07C65/00; C07C65/01; C07C65/03; C07C65/05; C07C65/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
THE PROCESS OF PRODUCING BASIC ALUMINUM ACYLATED SALICYLATED BY MEAND OF BOILING A PHYSIOLOGICALLY ACTIVE ACYLATED SALICYLIC COMPOUND CONTAINING A FREE CRBOXYL GROUP SELECTED FROM THE GROUP CONSISTING A ACETYLSALICYLIC ACID, SALICYLSALICYLIC ACID AND SALICYL ETHYL CARBOBATE WITH A DILUTE SUPSENSION OF PRECIPITATED ALUMINUM HYDROXIDE AND ABOUT AN EQUAL VOLUME OF A WATER MISCIBLE ORGANIC LIQUID SELECTED FROM THE GORUP CONSISITING OF LOWER ALIPHATIC ALCOHOLS, ALIPHATIC ETHERS, 1,4-DIOXANE AND ACETONE.
Claim 2
Dependent Claim
70 words
THE PROCESS OF PRODUCING BASIC ALUMINUM ACYLATED SALICYLATED BY MEAND OF BOILING A PHYSIOLOGICALLY ACTIVE ACYLATED SALICYLIC COMPOUND CONTAINING A FREE CRBOXYL GROUP SELECTED FROM THE GROUP CONSISTING A ACETYLSALICYLIC ACID, SALICYLSALICYLIC ACID AND SALICYL ETHYL CARBOBATE WITH A DILUTE SUPSENSION OF PRECIPITATED ALUMINUM HYDROXIDE AND ABOUT AN EQUAL VOLUME OF A WATER MISCIBLE ORGANIC LIQUID SELECTED FROM THE GORUP CONSISITING OF LOWER ALIPHATIC ALCOHOLS, ALIPHATIC ETHERS, 1,4-DIOXANE AND ACETONE.
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) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |