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US3236782A
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Process regeneration of mixed metallic oxide catalysts by contacting with metal compound vapor
Assignee: EIDP Inc
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Filing: 1962-09-26
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Granted: 1966-02-22
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Expires: 1982-09-26
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:41
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/25; C07C51/252; B; B01; B01J; B01J23/00; B01J23/90; B01J23/92; B01J23/94; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/35; C07C45/36; C07C45/37; C07C45/38; C07C51/31; C07C51/313; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
159 words
IN A CONTINUOUS PROCESS OF REACTING HYDROGEN-CONTAINING CARBON COMPOUNDS IN THE VAPOR PLHASE WITH OXYGEN OVER A QUANTITY OF SOLID CATALYST SUBJECT TO ABATEMENT IN ACTIVITY WITH CONTINUED USE AND CONSISTING ESSENTIALLY OF OXIDES OF (I) AT LEAST ONE COMPONENT METAL OF A GROUP (A) CONSISTING OF CHROMIUM, VANADIUM, MOLYBDENUM AND TUNGSTEN AND (II) AT LEAST ONE OTHER COMPONENT METAL OF A GROUP (B) CONSISTING OF METALS OF GROUPS I, II, IV-A, V-A, AND VIII OF THE PERIODIC TABLE, THE ATOMIC RATIO OF COMPONENT METAL OF SAID GROUP (A) TO COMPONENT METAL OF SAID GROUP (B) BEING AT LEAST ABOUT 1:1, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID CATALYST, IN THE COURSE OF SAID REACTING, WITH A FURTHER QUANTITY OF AT LEAST ONE SAID GROUP (A) COMPONENT METAL PRESENT IN SAID CATALYST, IN THE FORM OF A VAPOR OF A COMPOUND OF SAID GROUP (A) COMPONENT METAL, WHEREBY SAID ABATEMENT IN ACTIVITY OF SAID CATALYST WITH CONTINUED USE IS MINIMIZED.
Claim 2
Dependent Claim
159 words
IN A CONTINUOUS PROCESS OF REACTING HYDROGEN-CONTAINING CARBON COMPOUNDS IN THE VAPOR PLHASE WITH OXYGEN OVER A QUANTITY OF SOLID CATALYST SUBJECT TO ABATEMENT IN ACTIVITY WITH CONTINUED USE AND CONSISTING ESSENTIALLY OF OXIDES OF (I) AT LEAST ONE COMPONENT METAL OF A GROUP (A) CONSISTING OF CHROMIUM, VANADIUM, MOLYBDENUM AND TUNGSTEN AND (II) AT LEAST ONE OTHER COMPONENT METAL OF A GROUP (B) CONSISTING OF METALS OF GROUPS I, II, IV-A, V-A, AND VIII OF THE PERIODIC TABLE, THE ATOMIC RATIO OF COMPONENT METAL OF SAID GROUP (A) TO COMPONENT METAL OF SAID GROUP (B) BEING AT LEAST ABOUT 1:1, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID CATALYST, IN THE COURSE OF SAID REACTING, WITH A FURTHER QUANTITY OF AT LEAST ONE SAID GROUP (A) COMPONENT METAL PRESENT IN SAID CATALYST, IN THE FORM OF A VAPOR OF A COMPOUND OF SAID GROUP (A) COMPONENT METAL, WHEREBY SAID ABATEMENT IN ACTIVITY OF SAID CATALYST WITH CONTINUED USE IS MINIMIZED.
Claim 3
Dependent Claim
106 words
IN A CONTINUOUS PROCESS OF REACTING PROPYLENE IN THE VAPOR PHASE WITH OXYGEN TO YIELD ACROLEIN OVER A QUANTITY OF SOLID CATALYST SUBJECT TO ABATEMENT IN ACTIVITY WITH CONTINUED USE AND CONSISTING ESSENTIALLY OF OXIDES OF COMPONENT MOLYBDENUM AND COMPONENT OTHER METAL FROM THE GROUP CONSISTING OF MAGNESIUM, CALCIUM, STRONTIUM, AND BARIUM, THE ATOMIC RATIO OF SAID MOLYBDENUM TO SAID OTHER METAL BEING AT LEAST ABOUT 1:1, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID CATALYST, IN THE COURSE OF SAID REACTING, WITH A FURTHER QUANTITY OF MOLYBDEUM OXIDE IN THE FORM OF A VAPOR, WHEREBY SAID ABATEMENT IN ACTIVITY OF SAID CATALYST WITH CONTINUED USE IS MAINTAINED.
Claim 4
Dependent Claim
106 words
IN A CONTINUOUS PROCESS OF REACTING PROPYLENE IN THE VAPOR PHASE WITH OXYGEN TO YIELD ACROLEIN OVER A QUANTITY OF SOLID CATALYST SUBJECT TO ABATEMENT IN ACTIVITY WITH CONTINUED USE AND CONSISTING ESSENTIALLY OF OXIDES OF COMPONENT MOLYBDENUM AND COMPONENT OTHER METAL FROM THE GROUP CONSISTING OF MAGNESIUM, CALCIUM, STRONTIUM, AND BARIUM, THE ATOMIC RATIO OF SAID MOLYBDENUM TO SAID OTHER METAL BEING AT LEAST ABOUT 1:1, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID CATALYST, IN THE COURSE OF SAID REACTING, WITH A FURTHER QUANTITY OF MOLYBDEUM OXIDE IN THE FORM OF A VAPOR, WHEREBY SAID ABATEMENT IN ACTIVITY OF SAID CATALYST WITH CONTINUED USE IS MAINTAINED.
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |