US2788262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparation of carbon disulfide
Assignee: Pan American Petroleum Corp
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Filing: 1953-05-01
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Granted: 1957-04-09
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Expires: 1973-05-01
Abstract
No abstract record available.
Inventors
- 👤 Willis A Adcock
- 👤 William C Lake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:45
CPC Classifications
C; C01; C01B; C01B32/00; C01B32/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A PROCESS FOR PREPARATION OF CARBON DISULFIDE BY THE REACTION OF HYDROGEN SULFIDE WITH A NORMALLY GASEOUS HYDROCARBON, THE IMPROVEMENT WHICH COMPRISES EFFECTING SAID REACTIOIN AT A TEMPERATURE RANGING FROM ABOUT 1850*F. AT A HYDROGEN SULFIDE-HYDROCARBON MOLAR RATIO OF ABOUT 8:1 AND AT A CARBON-HYDROGEN ATOMIC RATIO OF ABOUT 0.05:1 TO ABOUT 2750*F. AT A HYDROGEN SULFIDE-HYDROCARBON MOLAR RATIO OF ABOUT 2:1 AND AT A CARBON-HYDROGEN ATOMIC RATIO OF ABOPUT 0.125, THE RELATIONSHIP OF SAID MOLAR AND ATOMIC RATIOS TO SAID TEMPERATURE RANGE BEING SUCH THAT ANY COMBITION OF SAID RATIOS AND TEMPERATURE EMPLOYED WITHIN THE AFORESAID RANGES DEFINES A POINT FALLING SUBSTANTIALLY ON THE CURVE IN FIGURE 2.
Claim 2
Dependent Claim
110 words
IN A PROCESS FOR PREPARATION OF CARBON DISULFIDE BY THE REACTION OF HYDROGEN SULFIDE WITH A NORMALLY GASEOUS HYDROCARBON, THE IMPROVEMENT WHICH COMPRISES EFFECTING SAID REACTIOIN AT A TEMPERATURE RANGING FROM ABOUT 1850*F. AT A HYDROGEN SULFIDE-HYDROCARBON MOLAR RATIO OF ABOUT 8:1 AND AT A CARBON-HYDROGEN ATOMIC RATIO OF ABOUT 0.05:1 TO ABOUT 2750*F. AT A HYDROGEN SULFIDE-HYDROCARBON MOLAR RATIO OF ABOUT 2:1 AND AT A CARBON-HYDROGEN ATOMIC RATIO OF ABOPUT 0.125, THE RELATIONSHIP OF SAID MOLAR AND ATOMIC RATIOS TO SAID TEMPERATURE RANGE BEING SUCH THAT ANY COMBITION OF SAID RATIOS AND TEMPERATURE EMPLOYED WITHIN THE AFORESAID RANGES DEFINES A POINT FALLING SUBSTANTIALLY ON THE CURVE IN FIGURE 2.
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) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |