US2522015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for di-organo peroxides
Assignee: California Research LLC
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Filing: 1948-12-13
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Granted: 1950-09-12
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Expires: 1968-12-13
Abstract
No abstract record available.
Inventors
- 👤 Maurice R Barusch
- 👤 Gordon E Langlois
- 👤 Richard M Schramm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:28
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/16; C07C409/18; C07C407/00; C07C407/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN THE METHOD OF AUTOCONDENSING HYDROCARBON HYDROPEROXIDE TO DI-HYDROCARBON PEROXIDE BY CONTRACTING SAID HYDROPEROXIDE WITH ABOUT 0.1 TO 1.0 MOLS OF ABOUT 68-80% AQUEOUS SULFURIC ACID PER MOL OF HYDROPERIOXIDE AT A TEMPERATURE OF 60* F., WHEREIN SAID HYDROPEROXIDE AND ACID ARE THE SOLE REACTANTS, THE IMPROVEMENT WHICH COMPRISES EXTENSIVELY CONTACTING SAID HYDROPEROXIDE WITH SAID ACID, FOLLOWED BY SEPARATION OF SAID ACID AND THE RESULTANT PEROXY MATERIAL INTO LAYERS, SUCH THAT THE TIME OF EXTENSIVE CONTACT BETWEEN ACID AND PEROXY MATERIAL IS LESS THAN ONE MINUTE, REMOVING SAID SEPARATED IS LESS THAN ONE MINUTE, REMOVING SAID SEPARATED ACID LAYER AS IT IS FORMERED AND THEN DILUTING SAID ACID WITH WATER, CAUSING SAID LAYER OF PEROXY MATERIAL TO STAND FOR 1-30 MINUTES AFTER SAID PERIOD OF EXTENSIVE CONTACT WITH ACID, AND THEREAFTER TREATING SAID PEROXY MATERIAL WITH AN ALKALINE MATERIAL IN EXCESS OVER THAT NECESSARY TO NEUTRALIZE THE PEROXY MATERIAL TO PHENOTHALEIN END POINT.
Claim 2
Dependent Claim
153 words
IN THE METHOD OF AUTOCONDENSING HYDROCARBON HYDROPEROXIDE TO DI-HYDROCARBON PEROXIDE BY CONTRACTING SAID HYDROPEROXIDE WITH ABOUT 0.1 TO 1.0 MOLS OF ABOUT 68-80% AQUEOUS SULFURIC ACID PER MOL OF HYDROPERIOXIDE AT A TEMPERATURE OF 60* F., WHEREIN SAID HYDROPEROXIDE AND ACID ARE THE SOLE REACTANTS, THE IMPROVEMENT WHICH COMPRISES EXTENSIVELY CONTACTING SAID HYDROPEROXIDE WITH SAID ACID, FOLLOWED BY SEPARATION OF SAID ACID AND THE RESULTANT PEROXY MATERIAL INTO LAYERS, SUCH THAT THE TIME OF EXTENSIVE CONTACT BETWEEN ACID AND PEROXY MATERIAL IS LESS THAN ONE MINUTE, REMOVING SAID SEPARATED IS LESS THAN ONE MINUTE, REMOVING SAID SEPARATED ACID LAYER AS IT IS FORMERED AND THEN DILUTING SAID ACID WITH WATER, CAUSING SAID LAYER OF PEROXY MATERIAL TO STAND FOR 1-30 MINUTES AFTER SAID PERIOD OF EXTENSIVE CONTACT WITH ACID, AND THEREAFTER TREATING SAID PEROXY MATERIAL WITH AN ALKALINE MATERIAL IN EXCESS OVER THAT NECESSARY TO NEUTRALIZE THE PEROXY MATERIAL TO PHENOTHALEIN END POINT.
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) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |