US2653970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefin sulfitation process
Assignee: Honeywell International Inc
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Filing: 1950-01-12
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Granted: 1953-09-29
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Expires: 1970-01-12
Abstract
No abstract record available.
Inventors
- 👤 William A Fessler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:32
CPC Classifications
C; C07; C07C; C07C303/00; C07C303/02; C07C303/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A PROCESS FOR ADDITION OF SODIUM BISULFITE TO AN OPEN CHAIN OLEFIN IN ABOUT C10-C22 RANGE CONTAINING AT LEAST A PORTION OF TERMINAL DOUBLE BOND OLEFIN, WHICH COMPRISES FORMING A REACTION MIXTURE CONTAINING OLEFIN AS AFORESAID, WATER, A WATER-SOLUBLE VOLATILE ALCOHOL CONTAINING AT LEAST 5 CARBON ATOMS, SODIUM BISULFITE, SODIUM SULFITE, AND WATER-SOLUBLE SURFACE ACTIVE MATERIAL FORMED BY ADDITION OF SODIUM BISULFITE TO SAID OLEFIN, IN WHICH REACTION MIXTURE ABOUT 6.5 AND ABOUT AQUEOUS PHASE IS BETWEEN ABOUT 6.5 AND ABOUT 7.5 AS MEASURED WITH A GLASS ELECTRTODE AT 30* C. SODIUM BISULFITE IS INTRODUCED IN NAHSO3 MOL RATIOS BETWEEN ABOUT 1:1 AND ABOUT 3:1 WITH THE OLEFIN INTRODUCED AND SODIUM SULFITE IS INTRODUCED IN NA2SO3 MOL RATIOS BETWEEN ABOUT 1.5:1 AND ABOUT 3:1 WITH SODIUM BISULFITE INTRODUCED; FINELY DISPERSING A GAS CONTAINING MOLECULAR OXYGEN THROUGH SAID REACTION MIXTURE, MAINTAINING TEMPERATUERS BETWEEN ABOUT ROOM TEMPERATURE AND THE REFLUX TEMPERATURE OF THE REACTION MIXTURE; AND MAINTAINING PH IN THE AQUEOUS PHASE ABOVE 6 AND BELOW ABOUT 9 AS MEASURED WITH A GLASS ELECTRODE AT 30* C.
Claim 2
Dependent Claim
175 words
A PROCESS FOR ADDITION OF SODIUM BISULFITE TO AN OPEN CHAIN OLEFIN IN ABOUT C10-C22 RANGE CONTAINING AT LEAST A PORTION OF TERMINAL DOUBLE BOND OLEFIN, WHICH COMPRISES FORMING A REACTION MIXTURE CONTAINING OLEFIN AS AFORESAID, WATER, A WATER-SOLUBLE VOLATILE ALCOHOL CONTAINING AT LEAST 5 CARBON ATOMS, SODIUM BISULFITE, SODIUM SULFITE, AND WATER-SOLUBLE SURFACE ACTIVE MATERIAL FORMED BY ADDITION OF SODIUM BISULFITE TO SAID OLEFIN, IN WHICH REACTION MIXTURE ABOUT 6.5 AND ABOUT AQUEOUS PHASE IS BETWEEN ABOUT 6.5 AND ABOUT 7.5 AS MEASURED WITH A GLASS ELECTRTODE AT 30* C. SODIUM BISULFITE IS INTRODUCED IN NAHSO3 MOL RATIOS BETWEEN ABOUT 1:1 AND ABOUT 3:1 WITH THE OLEFIN INTRODUCED AND SODIUM SULFITE IS INTRODUCED IN NA2SO3 MOL RATIOS BETWEEN ABOUT 1.5:1 AND ABOUT 3:1 WITH SODIUM BISULFITE INTRODUCED; FINELY DISPERSING A GAS CONTAINING MOLECULAR OXYGEN THROUGH SAID REACTION MIXTURE, MAINTAINING TEMPERATUERS BETWEEN ABOUT ROOM TEMPERATURE AND THE REFLUX TEMPERATURE OF THE REACTION MIXTURE; AND MAINTAINING PH IN THE AQUEOUS PHASE ABOVE 6 AND BELOW ABOUT 9 AS MEASURED WITH A GLASS ELECTRODE AT 30* C.
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) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |