US3207806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydrogenation process
Assignee: Petro Tex Chemical Corp
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Filing: 1960-11-23
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Granted: 1965-09-21
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Expires: 1980-11-23
Abstract
No abstract record available.
Inventors
- 👤 Bajars Laimonis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:52
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/42; C07C5/54; C07C5/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
238 words
A METHOD FOR DEHYDROGENATING ORGANIC COMPOUNDS WHICH COMPRISES DEHYDROGENATING IN THE VAPOR PHASE AT A TEMPERATURE FROM ABOUT 400*C. TO 850*C. AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKANES AND ALKENES CONTAINING 2 TO 6 CARBON ATOMS, CARBOCYLIC COMPOUNDS CONTAINING 6 TO 12 CARBON ATOMS, ALKYL KETONES CONTAINING 4 TO 8 CARBON ATOMS, ALIPHATIC ACIDS AND ALDEHYDES CONTAINING 3 TO 6 CARBON ATOMS, CYANOLKANES CONTAINING 2 TO 6 CARBON ATOMS, AND HALOALKANES AND HALOALKENES CONTAINING 2 TO 6 CARBON ATOMS, IN THE PRESENCE OF AT LEAST 1/4 MOL OF OXYGEN PER MOL OR ORGANIC COMPOUND AND A MIXTURE OF AT LEAST TWO HALOGENS SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, AND IODINE, SAID MIXTURE OF HALOGEN BEING PRESENT IN AN AMOUNT FROM AT LEAST 0.001 TO ONE MOL TOTAL PER MOL OF SAID ORGANIC COMPOUND, THE HALOGENS BEING PRESENT IN SAID MIXTURE OF HALOGENS IN AN AMOUNT OF LEAST ONE PERCENT OF EACH HALOGEN BASED ON THE TOTAL MIXTURE OF HALOGEN, AT A PRESSURE OF SAID ORGANIC COMPOUND EQUIVALENT TO LESS THAN 1/2 ATMOSPHERE AT A TOTAL PRESSURE OF ONE ATMOSPHERE, THE SAID DEHYDROGENATION TAKING PLACE IN THE PRESENCE OF A CATALYST COMPRISING AS ITS MAIN ACTIVE CONSTITUENT IN THE CATALYTIC SURFACE A MEMBER SELECTED FROM THE GROUP CONSISTING OF METALS, OXIDES, SALTS AND HYDROXIDES OF METALS OF GROUPS IA, IB, IIA, IIB, IIIA, IIIB, IVA, IVB, VA, VB, VIB, VIIB, VIIIB, AND MIXTURES THEREOF.
Claim 2
Independent Claim
238 words
A METHOD FOR DEHYDROGENATING ORGANIC COMPOUNDS WHICH COMPRISES DEHYDROGENATING IN THE VAPOR PHASE AT A TEMPERATURE FROM ABOUT 400*C. TO 850*C. AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKANES AND ALKENES CONTAINING 2 TO 6 CARBON ATOMS, CARBOCYLIC COMPOUNDS CONTAINING 6 TO 12 CARBON ATOMS, ALKYL KETONES CONTAINING 4 TO 8 CARBON ATOMS, ALIPHATIC ACIDS AND ALDEHYDES CONTAINING 3 TO 6 CARBON ATOMS, CYANOLKANES CONTAINING 2 TO 6 CARBON ATOMS, AND HALOALKANES AND HALOALKENES CONTAINING 2 TO 6 CARBON ATOMS, IN THE PRESENCE OF AT LEAST 1/4 MOL OF OXYGEN PER MOL OR ORGANIC COMPOUND AND A MIXTURE OF AT LEAST TWO HALOGENS SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, AND IODINE, SAID MIXTURE OF HALOGEN BEING PRESENT IN AN AMOUNT FROM AT LEAST 0.001 TO ONE MOL TOTAL PER MOL OF SAID ORGANIC COMPOUND, THE HALOGENS BEING PRESENT IN SAID MIXTURE OF HALOGENS IN AN AMOUNT OF LEAST ONE PERCENT OF EACH HALOGEN BASED ON THE TOTAL MIXTURE OF HALOGEN, AT A PRESSURE OF SAID ORGANIC COMPOUND EQUIVALENT TO LESS THAN 1/2 ATMOSPHERE AT A TOTAL PRESSURE OF ONE ATMOSPHERE, THE SAID DEHYDROGENATION TAKING PLACE IN THE PRESENCE OF A CATALYST COMPRISING AS ITS MAIN ACTIVE CONSTITUENT IN THE CATALYTIC SURFACE A MEMBER SELECTED FROM THE GROUP CONSISTING OF METALS, OXIDES, SALTS AND HYDROXIDES OF METALS OF GROUPS IA, IB, IIA, IIB, IIIA, IIIB, IVA, IVB, VA, VB, VIB, VIIB, VIIIB, AND MIXTURES THEREOF.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |