Patent DE36806C successfully refreshed from Google Patents.
Patent US3848065A successfully refreshed from Google Patents.
US3848065A
Expired / Lapsed
US
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Method for producing hydrogen iodide
Assignee: BP Chemicals Ltd
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Filing: 1972-09-29
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Granted: 1974-11-12
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Expires: 1992-09-29
Abstract
Abstract 1. A PROCESS FOR PRODUCING AQUEOUS HYDROGEN IODIDE WHICH COMPRISES REACTING HYDROGEN AND IODINE IN WATER AT A TEMPERATURE FROM ABOUT 70* TO ABOUT 125*C. AND A PRESSURE FROM ABOUT 50 TO ABOUT 80 P.S.I.G. IN CONTACT WITH A CATALYST CONSISTING ESSENTIALLY OF A METAL SELECTED FROM THE GROUP CONSISTING OF RHODIUM AND RUTHENIUM SUPPORTED ON AN INERT MATERIAL, THE AMOUNT OF METAL IN SAID CATLSYT BEING IN THE RANGE FROM ABOUT 0.00001 MOLE TO ABOUT 0.01 MOLE PER MOLE OF IODINE.
Inventors
- 👤 F Paulik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:10
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/13; C01B7/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A PROCESS FOR PRODUCING AQUEOUS HYDROGEN IODIDE WHICH COMPRISES REACTING HYDROGEN AND IODINE IN WATER AT A TEMPERATURE FROM ABOUT 70* TO ABOUT 125*C. AND A PRESSURE FROM ABOUT 50 TO ABOUT 80 P.S.I.G. IN CONTACT WITH A CATALYST CONSISTING ESSENTIALLY OF A METAL SELECTED FROM THE GROUP CONSISTING OF RHODIUM AND RUTHENIUM SUPPORTED ON AN INERT MATERIAL, THE AMOUNT OF METAL IN SAID CATLSYT BEING IN THE RANGE FROM ABOUT 0.00001 MOLE TO ABOUT 0.01 MOLE PER MOLE OF IODINE.
Claim 2
Dependent Claim
81 words
A PROCESS FOR PRODUCING AQUEOUS HYDROGEN IODIDE WHICH COMPRISES REACTING HYDROGEN AND IODINE IN WATER AT A TEMPERATURE FROM ABOUT 70* TO ABOUT 125*C. AND A PRESSURE FROM ABOUT 50 TO ABOUT 80 P.S.I.G. IN CONTACT WITH A CATALYST CONSISTING ESSENTIALLY OF A METAL SELECTED FROM THE GROUP CONSISTING OF RHODIUM AND RUTHENIUM SUPPORTED ON AN INERT MATERIAL, THE AMOUNT OF METAL IN SAID CATLSYT BEING IN THE RANGE FROM ABOUT 0.00001 MOLE TO ABOUT 0.01 MOLE PER MOLE OF IODINE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |