US2537853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of organic peroxides
Assignee: Shell Development Co
•
Filing: 1947-03-28
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Granted: 1951-01-09
•
Expires: 1967-03-28
Abstract
No abstract record available.
Inventors
- 👤 Pezzaglia Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:23
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/20; C07C409/22; C07C407/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN A PROCESS FOR THE PRODUCTION FO 2,2-BIS(TERTIARY-BUTYLPEROXY)BUTANE BY A REACTION BETWEEN TERTIARY-BUTYL HYDROPEROXIDE AND METHYL ETHYL KETONE IN THE PRESENCE OF A STRONG ACID AT A TEMPERATURE OF FROM -10* C. TO 35* C., THE IMPROVEMENT WHICH COMPRISES CONDUCTING THE REACTION IN FROM 1 TO 10 VOLUMES, BASED ON THE TOTAL VOLUME OF REACTANTS, OF AN ALIPHATIC HYDROCARBON SOLVENT WHICH IS LIQUID AT THE REACTION TEMPERATURE.
Claim 2
Dependent Claim
67 words
IN A PROCESS FOR THE PRODUCTION FO 2,2-BIS(TERTIARY-BUTYLPEROXY)BUTANE BY A REACTION BETWEEN TERTIARY-BUTYL HYDROPEROXIDE AND METHYL ETHYL KETONE IN THE PRESENCE OF A STRONG ACID AT A TEMPERATURE OF FROM -10* C. TO 35* C., THE IMPROVEMENT WHICH COMPRISES CONDUCTING THE REACTION IN FROM 1 TO 10 VOLUMES, BASED ON THE TOTAL VOLUME OF REACTANTS, OF AN ALIPHATIC HYDROCARBON SOLVENT WHICH IS LIQUID AT THE REACTION TEMPERATURE.
References Cited (Backward Citations)
US2400041A
Cited
US2455569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |