Patent US3092587A successfully refreshed from Google Patents.
US3092587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of high percentage solutions of organic peroxides
Assignee: Bergwerksgesellschaft Hibernia AG
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Filing: 1960-07-12
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Granted: 1963-06-04
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Expires: 1980-07-12
Abstract
No abstract record available.
Inventors
- 👤 Ester Wilhelm
- 👤 Sommer August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:09
CPC Classifications
C; C07; C07C; C07C407/00; C07C407/003
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
IN THE PROCESS FOR THE PRODUCTION OF A HIGH PERCENTAGE SOLUTION OF AN ALKYLATED BENZENE HYDROCARBON HYDROPEROXIDE IN THE CORRESPONDING ALKYLATED BENZENE HYDROCARBON AS SOLVENT FROM A LOW PERCENTAGE SOLUTION OF SAID PEROXIDE IN SAID HYDROCARBON, WHEREIN SAID ALKYLATED BENZENE HYDROCARBON IS SUBJECTED TO OXIDATION TO FORM THE CORRESPONDING HYDROPEROXIDE IN LOW PERCENTAGE SOLUTION HAVING A PERIOXIDE CONTENT OF FROM ABOUT 5 TO 50%, THE IMPROVEMENT WHICH COMPRISES SUBJECTING SAID LOW PERCENTAGE SOLUTION TO THIN FILM EVAPORATION IN A FIRST ZONE TO VAPORIZE SAID HYDROCARBON, PASSING THE VAPORIZED HYDROCABON IN VAPOR FORM FROM THE FIRST ZONE TO A SECOND ZEON, CONTACTING SAID HYDROCARBON IN VAPOR FORM IN THE SECOND
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |