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US3207806A Expired / Lapsed US ⏱️ 0.0 years remaining

Dehydrogenation process

Assignee: Petro Tex Chemical Corp
•
Filing: 1960-11-23
•
Granted: 1965-09-21
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Expires: 1980-11-23
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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.

References Cited (Backward Citations)

US2370513A Cited
US2397638A Cited
US2423494A Cited
US2643269A Cited
US2719171A Cited
US2921101A Cited

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

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