US2573947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of hydroperoxide compounds
Assignee: Shell Development Co
•
Filing: 1949-07-01
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Granted: 1951-11-06
•
Expires: 1969-07-01
Abstract
No abstract record available.
Inventors
- 👤 Edward R Bell
- 👤 Frederick F Rust
- 👤 William E Vaughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:02
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/02; C07C409/04; C07C407/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
81 words
A PROCESS FOR THE PREPARATION OF AN ALKYL HYDROPEROXIDE CHARACTERIZED BY HIGH YIELD AND PURITY OF PRODUCT AND BY HIGH CONVERSION OF REACTANTS TO THE HYDROPEROXIDE PRODUCT, WHICH PROCESS COMPRISES REACTING HYDROGEN PEROXIDE AND AN ALKYLATING AGENT THEREFOR IN AN AQUEOUS SOLUTION IN THE PRESENCE OF AN ACIDIC CATALYST, AND EXTRACTING FROM THE AQUEOUS SOLUTION ALKYL HYDROPEROXIDE PRODUCT SUBSTANTIALLY AS RAPIDLY AS FORMED THEREIN BY INTIMATELY CONTACTING SAID AQUEOUS SOLUTION WITH AN INERT WATER-IMMISCIBLE ORGANIC SOLVENT FOR THE ALKYL HYDROPEROXIDE PRODUCT.
References Cited (Backward Citations)
US2092322A
Cited
US2176407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-05 | 1955-05-07 | 1955-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-05 | 1959-05-07 | 1959-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-05 | 1963-05-07 | 1963-11-06 | $7700.00 | Window Closed / Lapsed |