US2562238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiophene by-product tar and triglyceride oil reaction product
Assignee: ExxonMobil Oil Corp
•
Filing: 1947-04-17
•
Granted: 1951-07-31
•
Expires: 1967-04-17
Abstract
No abstract record available.
Inventors
- 👤 Sigmund J Lukasiewicz
- 👤 Alexander N Sachanen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:26
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2219/00; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
261 words
AS A NEW COMPOSITION OF MATTER, A SULFURCONTAINING REACTION PRODUCT OBTAINED BY REACTING ABOUT 5 PARTS BY WEIGHT OF A TRIGLYCERIDE OIL WITH ABOUT 1 PART BY WEIGHT OF A SULFUR-CONTAINING BY-PRODUCT TAR, AT A TEMPERATURE OF FROM ABOUT 160* C. TO ABOUT 250* C., SAID TAR BEING OBTAINED BY: SEPARATELY PREHEATING SULFUR AND A HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF NORMAL BUTANE, NORMAL BUTENES, BUTADIENES, PENTANES, PENTENES, PENTADIENES, HEXANES, HEXENES AND HEXADIENES, SAID HYDROCARBON HAVING AT LEAST FOUR CARBON ATOMS IN A STRAIGHT CHAIN, TO TEMPERATURES SUCH THAT COMBINING SAID SULFUR AND SAID HYDROCARBON WILL PROVIDE A REACTION MIXTURE HAVING A TEMPERATURE VARYING BETWEEN 450* C. AND ABOUT 760* C. WHEN THE SAID HYDROCARBON IS ONE OF THE AFORESAID FOUR-CARBON HYDROCARBONS, AND BETWEEN 450* C. AND ABOUT 700* C. WHEN THE SAID HYDROCARBON IS ONE OF THE AFORESAID FIVE- AND SIX-CARBON HYDROCARBONS; MIXING THE PREHEATED SULFUR AND THE PREHEATED HYDROCARBON IN A WEIGHT RATIO OF SULFUR TO HYDROCARBON VARYING BETWEEN ABOUT 0.5 AND ABOUT 4.0; REACTING SAID PREHEATED SULFUR WITH SAID PREHEATED HYDROCARBON AT A REACTION TEMPERATURE VARYING BETWEEN 450* C. AND ABOUT 760* C. WHEN THE SAID HYDROCARBON IS ONE OF THE AFORESAID FOUR-CARBON HYDROCARBONS, AND BETWEEN 450* C. AND ABOUT 700* C. WHEN THE SAID HYDROCARBON IS ONE OF THE AFORESAID FIVE- AND SIX-CARBON HYDROCARBONS, FOR A CONTACT TIME OF FROM ABOUT 0.01 SECOND TO SEVERAL SECONDS, TO PRODUCE A REACTION MIXTURE CONTAINING THIOPHENE AND A SULFUR-CONTAINING TAR; REDUCING THE TEMPERATURE OF SAID REACTION MIXTURE TO LESS THAN 450* C.; AND SEPARATING SAID TAR FROM SAID MIXTURE.
Claim 2
Dependent Claim
261 words
AS A NEW COMPOSITION OF MATTER, A SULFURCONTAINING REACTION PRODUCT OBTAINED BY REACTING ABOUT 5 PARTS BY WEIGHT OF A TRIGLYCERIDE OIL WITH ABOUT 1 PART BY WEIGHT OF A SULFUR-CONTAINING BY-PRODUCT TAR, AT A TEMPERATURE OF FROM ABOUT 160* C. TO ABOUT 250* C., SAID TAR BEING OBTAINED BY: SEPARATELY PREHEATING SULFUR AND A HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF NORMAL BUTANE, NORMAL BUTENES, BUTADIENES, PENTANES, PENTENES, PENTADIENES, HEXANES, HEXENES AND HEXADIENES, SAID HYDROCARBON HAVING AT LEAST FOUR CARBON ATOMS IN A STRAIGHT CHAIN, TO TEMPERATURES SUCH THAT COMBINING SAID SULFUR AND SAID HYDROCARBON WILL PROVIDE A REACTION MIXTURE HAVING A TEMPERATURE VARYING BETWEEN 450* C. AND ABOUT 760* C. WHEN THE SAID HYDROCARBON IS ONE OF THE AFORESAID FOUR-CARBON HYDROCARBONS, AND BETWEEN 450* C. AND ABOUT 700* C. WHEN THE SAID HYDROCARBON IS ONE OF THE AFORESAID FIVE- AND SIX-CARBON HYDROCARBONS; MIXING THE PREHEATED SULFUR AND THE PREHEATED HYDROCARBON IN A WEIGHT RATIO OF SULFUR TO HYDROCARBON VARYING BETWEEN ABOUT 0.5 AND ABOUT 4.0; REACTING SAID PREHEATED SULFUR WITH SAID PREHEATED HYDROCARBON AT A REACTION TEMPERATURE VARYING BETWEEN 450* C. AND ABOUT 760* C. WHEN THE SAID HYDROCARBON IS ONE OF THE AFORESAID FOUR-CARBON HYDROCARBONS, AND BETWEEN 450* C. AND ABOUT 700* C. WHEN THE SAID HYDROCARBON IS ONE OF THE AFORESAID FIVE- AND SIX-CARBON HYDROCARBONS, FOR A CONTACT TIME OF FROM ABOUT 0.01 SECOND TO SEVERAL SECONDS, TO PRODUCE A REACTION MIXTURE CONTAINING THIOPHENE AND A SULFUR-CONTAINING TAR; REDUCING THE TEMPERATURE OF SAID REACTION MIXTURE TO LESS THAN 450* C.; AND SEPARATING SAID TAR FROM SAID MIXTURE.
References Cited (Backward Citations)
US2167439A
Cited
US2181964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |