US3201214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of domestic heating gas
Assignee: Pullman Inc
•
Filing: 1963-02-01
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Granted: 1965-08-17
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Expires: 1983-02-01
Abstract
No abstract record available.
Inventors
- 👤 Rd Joseph M Fox
- 👤 Joseph C Yarze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:01
CPC Classifications
C; C10; C10G; C10G11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A METHOD FOR PRODUCING DOMESTIC HEATING GAS IN ONE CONVERSION STEP WHICH COMPRISES CONTACTING NAPHTA AND STEAM IN THE PRESENCE OF STEAM REFORMING CATALYST IN AN ELONGATED CONVERSION ZONE MAINTAINED AT AN OUTLET PRESSURE OF ABOUT 300 TO ABOUT 1200 P.S.I.G., SUPPLYING THE NAPHTHA TO SAID ZONE AT A SPACE VELOCITY OF ABOUT 400 TO ABOUT 2150 VOUMES OF NAPHTHA EXPRESSED AS METHANE EQUIVALENT AT STANDARD CONDITIONS PER HOIUR PER VOLUME OF CATALYST, SUPPLYING A CONTROLLED AMOUNT OF STEAM TO SAID ZONE TO PROVIDE A STEAM-CARBON RATIO OF AT LEAST 1.55 PLUS 0.00113 TIMES SAID SPACE VELOCITY BUT NOT MORE THAN ABOUT 4.0, AND EXTERNALLY HEATING AT LEAST THE INLET END OF SAID ZONE TO OBTAIN A FLUID TEMPERATURE AT A POINT WITHIN SAID ZONE OF AT LEAST ABOUT 1300*F. AND AN OUTLET FLUID TEMPPERATURE LOWER THAN ABOUT 1390*F.
Claim 2
Independent Claim
139 words
A METHOD FOR PRODUCING DOMESTIC HEATING GAS IN ONE CONVERSION STEP WHICH COMPRISES CONTACTING NAPHTA AND STEAM IN THE PRESENCE OF STEAM REFORMING CATALYST IN AN ELONGATED CONVERSION ZONE MAINTAINED AT AN OUTLET PRESSURE OF ABOUT 300 TO ABOUT 1200 P.S.I.G., SUPPLYING THE NAPHTHA TO SAID ZONE AT A SPACE VELOCITY OF ABOUT 400 TO ABOUT 2150 VOUMES OF NAPHTHA EXPRESSED AS METHANE EQUIVALENT AT STANDARD CONDITIONS PER HOIUR PER VOLUME OF CATALYST, SUPPLYING A CONTROLLED AMOUNT OF STEAM TO SAID ZONE TO PROVIDE A STEAM-CARBON RATIO OF AT LEAST 1.55 PLUS 0.00113 TIMES SAID SPACE VELOCITY BUT NOT MORE THAN ABOUT 4.0, AND EXTERNALLY HEATING AT LEAST THE INLET END OF SAID ZONE TO OBTAIN A FLUID TEMPERATURE AT A POINT WITHIN SAID ZONE OF AT LEAST ABOUT 1300*F. AND AN OUTLET FLUID TEMPPERATURE LOWER THAN ABOUT 1390*F.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |