US2760926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of aliphatic ethers
Assignee: Colgate Palmolive Co
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Filing: 1955-09-14
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Granted: 1956-08-28
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Expires: 1975-09-14
Abstract
No abstract record available.
Inventors
- 👤 Kronenthal Richard Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:01
CPC Classifications
C; C25; C25B; C25B3/00; C25B3/01; C25B3/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A PROCESS FOR THE PREPARATION OF ALIPHATIC ETHERS WHICH COMPRISES ELECTROLYZING, USING A GRAPHITE ANODE, A SUBSTANTIALLY ANHYDROUS SOLUTION OF ALIPHATIC CARBOXYLIC ACID SALT CONTAINING MORE THAN ONE CARBON ATOM IN A SOLVENT THEREFOR SELECTED FROM THE GROUP CONSISTING OF LOWER MONOHYDRIC AND DIHYDRIC ALCOHOLS, AND RECOVERING AN ALPHATIC ETHER OF A CARBON CONTENT EQUAL TO ONE LESS THAN THE SUM OF THE CARBON CONTENTS OF SAID ALIPHATIC CARBOXYLIC ACID SALT AND SAID ALCOHOLIC SOLVENT.
Claim 2
Dependent Claim
75 words
A PROCESS FOR THE PREPARATION OF ALIPHATIC ETHERS WHICH COMPRISES ELECTROLYZING, USING A GRAPHITE ANODE, A SUBSTANTIALLY ANHYDROUS SOLUTION OF ALIPHATIC CARBOXYLIC ACID SALT CONTAINING MORE THAN ONE CARBON ATOM IN A SOLVENT THEREFOR SELECTED FROM THE GROUP CONSISTING OF LOWER MONOHYDRIC AND DIHYDRIC ALCOHOLS, AND RECOVERING AN ALPHATIC ETHER OF A CARBON CONTENT EQUAL TO ONE LESS THAN THE SUM OF THE CARBON CONTENTS OF SAID ALIPHATIC CARBOXYLIC ACID SALT AND SAID ALCOHOLIC SOLVENT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |