US2994719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of bis (alpha, alpha-dimethylbenzyl) peroxide
Assignee: Honeywell International Inc
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Filing: 1958-12-16
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Granted: 1961-08-01
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Expires: 1978-12-16
Abstract
No abstract record available.
Inventors
- 👤 Farkas Adalbert
- 👤 Rosenthal Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:37
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/16; C07C407/00; C07C407/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE PROCESS FOR PRODUCING BIS(A,A-DIMETHYLBENZYL) PEROXIDE WHICH COMPRISES DISPERSING A,A-DIMETHYLBENZYL HYDROPEROXIDE IN A SOLUTION OF A COBALT SALT IN CUMENE CONTAINING ABOUT .01% TO ABOUT .05% BY WEIGHT OF CO, AT A TEMPERATURE IN THE RANGE ABOUT 85*C. TO ABOUT 110*C. AND IN AMOUNTS BY WEIGHT SUCH THAT NO MORE THAN ABOUT ONE PART OF THE HYDROPEROXIDE IS DISPERSED IN EVERY ONE PART CUMENE, MAINTAINING THE RESULTING REACTION MIXTURE AT REACTION TEMPERATURE IN SAID RANGE OF ABOUT 85*C. TO ABOUT 110*C. UNTIL SUBSTANTIALLY ALL OF SAID HYDROPEROXIDE HAS REACTED, AND THEREAFTER RECOVERING FROM THE REACTION MIXTURE BIS(A,A-DIMETHYLBENZYL)PEROXIDE.
Claim 2
Dependent Claim
97 words
THE PROCESS FOR PRODUCING BIS(A,A-DIMETHYLBENZYL) PEROXIDE WHICH COMPRISES DISPERSING A,A-DIMETHYLBENZYL HYDROPEROXIDE IN A SOLUTION OF A COBALT SALT IN CUMENE CONTAINING ABOUT .01% TO ABOUT .05% BY WEIGHT OF CO, AT A TEMPERATURE IN THE RANGE ABOUT 85*C. TO ABOUT 110*C. AND IN AMOUNTS BY WEIGHT SUCH THAT NO MORE THAN ABOUT ONE PART OF THE HYDROPEROXIDE IS DISPERSED IN EVERY ONE PART CUMENE, MAINTAINING THE RESULTING REACTION MIXTURE AT REACTION TEMPERATURE IN SAID RANGE OF ABOUT 85*C. TO ABOUT 110*C. UNTIL SUBSTANTIALLY ALL OF SAID HYDROPEROXIDE HAS REACTED, AND THEREAFTER RECOVERING FROM THE REACTION MIXTURE BIS(A,A-DIMETHYLBENZYL)PEROXIDE.
References Cited (Backward Citations)
US2687438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |