Patent US3150169A successfully refreshed from Google Patents.
US3150169A
Expired / Lapsed
US
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Bisulfite addition using a perester-iron salt initiator
Assignee: California Research LLC
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Filing: 1960-12-30
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Granted: 1964-09-22
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 Elmer E Johnson
- 👤 Robert T Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:30
CPC Classifications
C; C07; C07C; C07C303/00; C07C303/02; C07C303/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN THE PROCESS OF CONTACTING A HYDROCARBON OLEFIN AND AN AQUEOUS SOLUTION OF A BISULFITE SALT IN THE PRESENCE OF AN ORGANIC PERESTER INITIATOR TO EFFECT THE FREE RADICA ADDITION REACTION OF BISULFITE ION TO SAID HYDROCARBON OLEFIN, THE IMPROVEMENT OF CARRYING OUT THE ADDITION REACTION IN THE PRESENCE OF T-BUTYL PERBENZOATE AND AN IRON SALT SELECTED FROM THE GROUP CONSISTING OF FERROUS SULFATE AND FERRIC SULFATE, SAID T-BUTYL PERBENZOATE BEING PRESENT IN AN AMOUNT OF 0.001 TO 0.1 MOLE PER MOL OF OLEFIN, AND SAID SALT BEING PRESENT IN AN AMOUNT OF ABOUT 0.2 TO 10 MOLS PER MOL OF SAID T-BUTYL PERBENZOATE.
Claim 2
Dependent Claim
104 words
IN THE PROCESS OF CONTACTING A HYDROCARBON OLEFIN AND AN AQUEOUS SOLUTION OF A BISULFITE SALT IN THE PRESENCE OF AN ORGANIC PERESTER INITIATOR TO EFFECT THE FREE RADICA ADDITION REACTION OF BISULFITE ION TO SAID HYDROCARBON OLEFIN, THE IMPROVEMENT OF CARRYING OUT THE ADDITION REACTION IN THE PRESENCE OF T-BUTYL PERBENZOATE AND AN IRON SALT SELECTED FROM THE GROUP CONSISTING OF FERROUS SULFATE AND FERRIC SULFATE, SAID T-BUTYL PERBENZOATE BEING PRESENT IN AN AMOUNT OF 0.001 TO 0.1 MOLE PER MOL OF OLEFIN, AND SAID SALT BEING PRESENT IN AN AMOUNT OF ABOUT 0.2 TO 10 MOLS PER MOL OF SAID T-BUTYL PERBENZOATE.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |