Patent US3207800A successfully refreshed from Google Patents.
US3207800A
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US
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Alkylation process
Assignee: ConocoPhillips Co
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Filing: 1962-05-03
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Granted: 1965-09-21
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Expires: 1982-05-03
Abstract
No abstract record available.
Inventors
- 👤 Frank P Williamson
- 👤 Robert C Bieneman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:16
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/64; C07C2/66; C07C2/68; C07C2/86; C07C2/861; C07C2527/00; C07C2527/06; C07C2527/125; C07C2527/126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
AN IMPROVED PROCESS FOR THE MANUFACTURE OF DETERGENT ALKYLATES WHICH COMPRISES; CONTINUOUSLY INTRODUCING BENZENE INTO A REACTION ZONE CONSTITUTING THE FIRST OF AT LEAST THREE OF SUCH ZONES SERIALLY COMMUNICATING WITH ONE ANOTHER AND WHEREIN THE REACTANT CONTENTS OF THE INDIVIDUAL ZONES ARE AGITATED AND MAINTAINED AT A TEMPERATURE BETWEEN ABOUT 60 AND 150*F.; CONTINUOUSLY INTRODUCING AN ALKYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF A C10-C18 OLEFIN AND A C10-C16 ALKYHALIDE, TOGETHER WITH AN EFFECTIVE AMOUNT OF AN ALKYLATION CATALYST TO EACH OF THE REACTION ZONES WHEREBY THE AGGREGATE AMOUNT OF AKYLATING AGENT SO INTRODUCED PROVIDES AN OVERALL EXTERNAL MOLAR RATIO OF BENZENE TO ALKYLATING AGENT OF FROM ABOUT 3-12; CONTINUOUSLY WITHDRAWING REACTON EFFFUENT FROM THE LAST OF SAID ZONES AT A RATE SO AS TO PROVIDE AN AVERAGE RESIDENCE TIME OF REACTANTS WITHIN EACH ZONE OF FROM ABOUT 3 TO 3/ MINUTES; AND RECOVERING A DETERGENT ALKYLATE FRACTION PREDOMINATELY COMPOSED OF A MIXTURE OF C10-C16 MONOSUBSTITUTED BENZENS FROM SAID EFFLUENT.
Claim 2
Dependent Claim
162 words
AN IMPROVED PROCESS FOR THE MANUFACTURE OF DETERGENT ALKYLATES WHICH COMPRISES; CONTINUOUSLY INTRODUCING BENZENE INTO A REACTION ZONE CONSTITUTING THE FIRST OF AT LEAST THREE OF SUCH ZONES SERIALLY COMMUNICATING WITH ONE ANOTHER AND WHEREIN THE REACTANT CONTENTS OF THE INDIVIDUAL ZONES ARE AGITATED AND MAINTAINED AT A TEMPERATURE BETWEEN ABOUT 60 AND 150*F.; CONTINUOUSLY INTRODUCING AN ALKYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF A C10-C18 OLEFIN AND A C10-C16 ALKYHALIDE, TOGETHER WITH AN EFFECTIVE AMOUNT OF AN ALKYLATION CATALYST TO EACH OF THE REACTION ZONES WHEREBY THE AGGREGATE AMOUNT OF AKYLATING AGENT SO INTRODUCED PROVIDES AN OVERALL EXTERNAL MOLAR RATIO OF BENZENE TO ALKYLATING AGENT OF FROM ABOUT 3-12; CONTINUOUSLY WITHDRAWING REACTON EFFFUENT FROM THE LAST OF SAID ZONES AT A RATE SO AS TO PROVIDE AN AVERAGE RESIDENCE TIME OF REACTANTS WITHIN EACH ZONE OF FROM ABOUT 3 TO 3/ MINUTES; AND RECOVERING A DETERGENT ALKYLATE FRACTION PREDOMINATELY COMPOSED OF A MIXTURE OF C10-C16 MONOSUBSTITUTED BENZENS FROM SAID EFFLUENT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |