US3230180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal phthalocyanine catalyst preparation
Assignee: Universal Oil Products Co
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Filing: 1963-02-07
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Granted: 1966-01-18
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Expires: 1983-02-07
Abstract
No abstract record available.
Inventors
- 👤 John R Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:27
CPC Classifications
C; C10; C10G; C10G27/00; C10G27/04; C10G27/10; B; B01; B01J; B01J31/00; B01J31/16; B01J31/1616; B01J31/18; B01J31/1805; B01J31/181; B01J31/1825; B01J31/183; B01J2531/00; B01J2531/02; B01J2531/0238; B01J2531/0241; B01J2531/025; B01J2531/10; B01J2531/16; B01J2531/50; B01J2531/56; B01J2531/80; B01J2531/84; B01J2531/845
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD FOR THE PREPARATION OF A SUPPORTED METAL PHTHALOCYANINE CATALYST WHICH COMPRISES COMPOSITING A REACTANT SUPPLYING THE METAL OF SAID METAL PHTHALOCYANINE WITH A SOLID ADSORBENT CARRIER AND HEATING THE RESULTANT COMPOSITE WITH PHTHALONITRILE AT A TEMPERATURE OF FROM ABOUT 175*C. TO ABOUT 325*C., SAID PHTHALONITRILE AND REACTANT BEING IN SUFFICIENT AMOUNTS TO COMPOSITE SUBSTANTIALLY IN EXCESS OF 1% BY WEIGHT OF METAL PHTHALOCYANINE WITH SAID CARRIER, AND SAID REACTANT BEING REACTABLE WITH PHTHALONITRILE AT SAID TEMPERATURE TO FORM SAID METAL PHTHALOCYANINE.
Claim 2
Independent Claim
83 words
A METHOD FOR THE PREPARATION OF A SUPPORTED METAL PHTHALOCYANINE CATALYST WHICH COMPRISES COMPOSITING A REACTANT SUPPLYING THE METAL OF SAID METAL PHTHALOCYANINE WITH A SOLID ADSORBENT CARRIER AND HEATING THE RESULTANT COMPOSITE WITH PHTHALONITRILE AT A TEMPERATURE OF FROM ABOUT 175*C. TO ABOUT 325*C., SAID PHTHALONITRILE AND REACTANT BEING IN SUFFICIENT AMOUNTS TO COMPOSITE SUBSTANTIALLY IN EXCESS OF 1% BY WEIGHT OF METAL PHTHALOCYANINE WITH SAID CARRIER, AND SAID REACTANT BEING REACTABLE WITH PHTHALONITRILE AT SAID TEMPERATURE TO FORM SAID METAL PHTHALOCYANINE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |