US3084186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of alkyl sulfonates
Assignee: CLIFORNIA RES CORP
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Filing: 1958-04-14
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Granted: 1963-04-02
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Expires: 1978-04-14
Abstract
No abstract record available.
Inventors
- 👤 Clippinger Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:55
CPC Classifications
C; C07; C07C; C07C303/00; C07C303/02; C07C303/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN THE PROCESS OF PREPARING SURFACE-ACTIVE SULFONATES BY THE ADDITION, IN A REACTION ZONE, OF BISULFITE ION TO NORMAL 1-OLEFIN OF 10 TO 20 CARBON ATOMS IN THE PRESENCE OF A SOLVENT THEREFOR AND A REACTION-INITIATING AGENT, THE IMPROVEMENT WHICH COMPRISES INTRODUCING INTO THE REACTION ZONE OLEFIN AND A SOLUTION OF A BISULFITE SALT IN AN AMOUNT FROM 0.05 TO 0.25 MOL OF BISULFITE PER MOL OF OLEFIN INTRODUCED, FURTHER INTRODUCING INTO THE REACTION ZONE DURING THE COURSE OF REACTION ADDITIONAL BISULFITE ION AT A RATE SUCH AS TO MAINTAIN THE AMOUNT OF UNREACTED BISULFITE ION IN THE REACTION ZONE WITHIN THE RANGE OF 0.05 TO 0.25 MOL PER MOL OF OLEFIN ORIGINALLY INTRODUCED, AND CONTINUING THE ADDITION OF BISULFITE ION AT LEAST UNTIL THE STOICHIOMETRIC AMOUNT OF BISULFITE REQUIRED TO REACT WITH THE OLEFIN HAS BEEN REACHED.
Claim 2
Dependent Claim
138 words
IN THE PROCESS OF PREPARING SURFACE-ACTIVE SULFONATES BY THE ADDITION, IN A REACTION ZONE, OF BISULFITE ION TO NORMAL 1-OLEFIN OF 10 TO 20 CARBON ATOMS IN THE PRESENCE OF A SOLVENT THEREFOR AND A REACTION-INITIATING AGENT, THE IMPROVEMENT WHICH COMPRISES INTRODUCING INTO THE REACTION ZONE OLEFIN AND A SOLUTION OF A BISULFITE SALT IN AN AMOUNT FROM 0.05 TO 0.25 MOL OF BISULFITE PER MOL OF OLEFIN INTRODUCED, FURTHER INTRODUCING INTO THE REACTION ZONE DURING THE COURSE OF REACTION ADDITIONAL BISULFITE ION AT A RATE SUCH AS TO MAINTAIN THE AMOUNT OF UNREACTED BISULFITE ION IN THE REACTION ZONE WITHIN THE RANGE OF 0.05 TO 0.25 MOL PER MOL OF OLEFIN ORIGINALLY INTRODUCED, AND CONTINUING THE ADDITION OF BISULFITE ION AT LEAST UNTIL THE STOICHIOMETRIC AMOUNT OF BISULFITE REQUIRED TO REACT WITH THE OLEFIN HAS BEEN REACHED.
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |