US3148156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phthalocyanine catalyst regeneration
Assignee: Universal Oil Products Co
•
Filing: 1961-03-14
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Granted: 1964-09-08
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Expires: 1981-03-14
Abstract
No abstract record available.
Inventors
- 👤 Robert C Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:52
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/40; B01J31/4015; B01J31/16; B01J31/1616; B01J31/18; B01J31/1805; B01J31/181; B01J31/1815; B01J31/4023; B01J31/403; B01J38/00; B01J38/48; B01J38/485; C; C08; C08F; C08F6/00; C08F6/02; C09; C09B; C09B47/00; C09B47/04; C09B47/045; B01J21/00; B01J21/18; B01J2231/00; B01J2231/70; B01J2531/00; B01J2531/02; B01J2531/0238; B01J2531/0241; B01J2531/025; B01J2531/50; B01J2531/56; B01J2531/60; B01J2531/62; B01J2531/64; B01J2531/80; B01J2531/84; B01J2531/845; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A METHOD OF REGENERATING A COMPOSITE OF A SOLID CARRIER AND A METAL PHTHALOCYANINE CATALYST IN WHICH THE METAL IS SELECTED FROM THE GROUP CONSISTING OF COBALT, VANADIUM, IRON, NICKEL, MOLYBDENUM AND CHROMIUM, WHICH COMPRISES CONTACTING SAID COMPOSITE WITH H2O AT A TEMPERATURE ABOVE ABOUT 150*F. FOR A PERIOD OF FROM ABOUT 2 TO ABOUT 48 HOURS AND THEREAFTER REIMPREGNATING WITH AN ADDITIONAL QUANTITY OF SAID METAL PHTHALOCYANINE CATALYST.
Claim 2
Independent Claim
69 words
A METHOD OF REGENERATING A COMPOSITE OF A SOLID CARRIER AND A METAL PHTHALOCYANINE CATALYST IN WHICH THE METAL IS SELECTED FROM THE GROUP CONSISTING OF COBALT, VANADIUM, IRON, NICKEL, MOLYBDENUM AND CHROMIUM, WHICH COMPRISES CONTACTING SAID COMPOSITE WITH H2O AT A TEMPERATURE ABOVE ABOUT 150*F. FOR A PERIOD OF FROM ABOUT 2 TO ABOUT 48 HOURS AND THEREAFTER REIMPREGNATING WITH AN ADDITIONAL QUANTITY OF SAID METAL PHTHALOCYANINE CATALYST.
References Cited (Backward Citations)
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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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |