US2996528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trivalent antimony salts of organic acids and their pentavalent derivatives and methods of preparing same
Assignee: Hooker Chemical Corp
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Filing: 1957-10-04
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Granted: 1961-08-15
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Expires: 1977-10-04
Abstract
No abstract record available.
Inventors
- 👤 Burton S Marks
- 👤 Blaine O Schoepfle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:00
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/59; C07; C07C; C07C51/00; C07C51/41; C07C51/412; C07C53/00; C07C53/124; C07C53/126; C07C53/128; C07C57/00; C07C57/30; C07C57/42; C07C57/44; C07C65/00; C07C65/21; C07F; C07F9/00; C07F9/90; C07F9/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A PROCESS FOR THE DIRECT PREPARATION OF TRIVALENT ANTIMONY SALTS OF ORGANIC ACIDS CONSISTING IN REACTING ANTIMONY TRIOXIDE WITH ORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, AND ARALKYL CARBOXYLIC ACIDS WHICH BOIL AT TEMPERATURES OF AT LEAST 160 DEGREES CENTIGRADE WHICH COMPRISES HEATING THE REACTANTS AT A TEMPERATURE OF AT LEAST 160 DEGREES CENTIGRADE AT ATMOSPHERIC PRESSURE, AND SEPARATING THE WATER FORMED DIRECTLY BY A SIMPLE DISTILLATION FROM THE REACTION MEDIA.
Claim 2
Dependent Claim
74 words
A PROCESS FOR THE DIRECT PREPARATION OF TRIVALENT ANTIMONY SALTS OF ORGANIC ACIDS CONSISTING IN REACTING ANTIMONY TRIOXIDE WITH ORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, AND ARALKYL CARBOXYLIC ACIDS WHICH BOIL AT TEMPERATURES OF AT LEAST 160 DEGREES CENTIGRADE WHICH COMPRISES HEATING THE REACTANTS AT A TEMPERATURE OF AT LEAST 160 DEGREES CENTIGRADE AT ATMOSPHERIC PRESSURE, AND SEPARATING THE WATER FORMED DIRECTLY BY A SIMPLE DISTILLATION FROM THE REACTION MEDIA.
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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |