US2660520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for catalytic conversion of hydrocarbons
Assignee: Standard Oil Development Co
•
Filing: 1952-05-21
•
Granted: 1953-11-24
•
Expires: 1972-05-21
Abstract
No abstract record available.
Inventors
- 👤 Sam R Bethea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:42
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/0242; B01J8/025; B01J19/00; B01J19/02; B01J8/008; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00477; B01J2208/00495; B01J2219/00; B01J2219/02; B01J2219/0204; B01J2219/0227; B01J2219/0236
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
APPARATUS FOR CONVERGING HYDROCARBONS BY CONTACT WITH A LIQUID PHOSPHORIC ACID CATALYST, WHICH COMPRISES A FERROUS METAL VESSEL HAVING AT LEAST AN INLET AND AN OUTLET, A CONTINUOUS COPPER LINER IN SAID VESSEL ARRANGED ADJACENT AND DIRECTLY CONTACTING AN INTERIOR SURFACE OF SAID VESSEL, AND A CARBON LINER ARRANGED ADJACENT AND DIRECTLY CONTACTING THE COPPER LINER TO COVER SAID COPPER LINER, SAID CARBON LINER BEING OF A SUBSTANTIALLY POROUS MATERIAL TO ALLOW FLOW OF PHOSPHORIC ACID THERETHROUGH.
Claim 2
Dependent Claim
77 words
APPARATUS FOR CONVERGING HYDROCARBONS BY CONTACT WITH A LIQUID PHOSPHORIC ACID CATALYST, WHICH COMPRISES A FERROUS METAL VESSEL HAVING AT LEAST AN INLET AND AN OUTLET, A CONTINUOUS COPPER LINER IN SAID VESSEL ARRANGED ADJACENT AND DIRECTLY CONTACTING AN INTERIOR SURFACE OF SAID VESSEL, AND A CARBON LINER ARRANGED ADJACENT AND DIRECTLY CONTACTING THE COPPER LINER TO COVER SAID COPPER LINER, SAID CARBON LINER BEING OF A SUBSTANTIALLY POROUS MATERIAL TO ALLOW FLOW OF PHOSPHORIC ACID THERETHROUGH.
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) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |