US3169152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation process and apparatus
Assignee: Phillips Petroleum Co
•
Filing: 1961-08-04
•
Granted: 1965-02-09
•
Expires: 1981-08-04
Abstract
No abstract record available.
Inventors
- 👤 Joe Van Pool
- 👤 Dave G Blaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:08
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A PROCESS FOR ALKYLATING AN ISOPARAFFIN WITH AT LEAST TWO DIFFERENT OLEFINS WHICH COMPRISES PASSING SAID ISOPARAFFIN IN ADMIXTURE WITH SAID OLEFINS AND HF ACID IN LIQUID PHASE UNDER ALKYLATING CONDITIONS THRU A SINGLE ELONGATED REACTION ZONE FREE OF INDIRECT HEAT EXCHANGE MEANS; INTRODUCING SAID ACID IN COOLED CONDITION RELATIVE TO REACTOR OUTLET TEMPERATURE TO THE UPSTREAM END OF SAID ZONE AT A TEMPERATURE SUBSTANTIALLY BELOW THE TEMPERATURE IN SAID ZONE SO AS TO EFFECT DIRECT HEAT EXCHANGE WITH THE LIQUIDS THEREIN; AND MAINTAINING A PREDETERMINED TEMPERATURE DIFFERENTIAL BETWEEN THE INLET END AND THE OUTLET END OF SAID ZONE BY SENSISNG THE TEMPERATURE IN SAID ZONE ADAJCENT THE INELT AND OUTLET ENDS THEREOF TO OBTAIN A TEMPERATURE DIFFERENTIAL AND REGULATING THE VOLUME OF ACID INTRODUCED TO SAID ZONE IN RESPONSE TO SAID TEMPERATURE DIFFERENTIAL.
Claim 2
Dependent Claim
134 words
A PROCESS FOR ALKYLATING AN ISOPARAFFIN WITH AT LEAST TWO DIFFERENT OLEFINS WHICH COMPRISES PASSING SAID ISOPARAFFIN IN ADMIXTURE WITH SAID OLEFINS AND HF ACID IN LIQUID PHASE UNDER ALKYLATING CONDITIONS THRU A SINGLE ELONGATED REACTION ZONE FREE OF INDIRECT HEAT EXCHANGE MEANS; INTRODUCING SAID ACID IN COOLED CONDITION RELATIVE TO REACTOR OUTLET TEMPERATURE TO THE UPSTREAM END OF SAID ZONE AT A TEMPERATURE SUBSTANTIALLY BELOW THE TEMPERATURE IN SAID ZONE SO AS TO EFFECT DIRECT HEAT EXCHANGE WITH THE LIQUIDS THEREIN; AND MAINTAINING A PREDETERMINED TEMPERATURE DIFFERENTIAL BETWEEN THE INLET END AND THE OUTLET END OF SAID ZONE BY SENSISNG THE TEMPERATURE IN SAID ZONE ADAJCENT THE INELT AND OUTLET ENDS THEREOF TO OBTAIN A TEMPERATURE DIFFERENTIAL AND REGULATING THE VOLUME OF ACID INTRODUCED TO SAID ZONE IN RESPONSE TO SAID TEMPERATURE DIFFERENTIAL.
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) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |