US3074893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of catalyst supports and catalysts
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1957-05-01
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Granted: 1963-01-22
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Expires: 1977-05-01
Abstract
No abstract record available.
Inventors
- 👤 Ellert Henry George
- 👤 Gladrow Elroy Merle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:22
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/26
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
66 words
THE METHOD OF PREPARING CATALYSTS WHICH CONSISTS ESSENTIALLY OF MIXING AN ALKYL TITANATE SELECTED FROM THE GROUP CONSISTING OF ALKYL TITANATES HAVING FROM ONE TO SEVEN CARBON ATOMS PER ALKOXIDE GROUP WITH AN AQUEOUS ACID SOLUTION OF A CHROMIUM SALT WITH VIROROUS AGITATION AT TEMPERATURES OF 40 TO 125*F., WARMING THE MIXTURE TO ABOUT 150-200*F. TO THEREBY FORM A CHROMIATITANIA COGEL, DRYING AND ACTIVATING THE COGEL.
Claim 2
Independent Claim
66 words
THE METHOD OF PREPARING CATALYSTS WHICH CONSISTS ESSENTIALLY OF MIXING AN ALKYL TITANATE SELECTED FROM THE GROUP CONSISTING OF ALKYL TITANATES HAVING FROM ONE TO SEVEN CARBON ATOMS PER ALKOXIDE GROUP WITH AN AQUEOUS ACID SOLUTION OF A CHROMIUM SALT WITH VIROROUS AGITATION AT TEMPERATURES OF 40 TO 125*F., WARMING THE MIXTURE TO ABOUT 150-200*F. TO THEREBY FORM A CHROMIATITANIA COGEL, DRYING AND ACTIVATING THE COGEL.
Claim 3
Independent Claim
86 words
THE METHOD OF PREPARING CATALYSTS WHICH CONSISTS ESSENTIALLY OF MIXING AN ALKYL TITANATE SELECTED FROM THE GROUP CONSISTING OF ALKYL TITANATE HAVING FROM ONE TO SEVEN CARBON ATOMS PER ALKOXIDE GROUP AND AN ALUMINUM ALCOHOLATE IN AN AMOUNT TO PROVIDE 2 TO 20 WEIGHT PERCENT OF ALUMINA BASED ON TITANIA WITH AN AQUEOUS ACID SOLUTION OF A CHROMIUM SALT WITH VIGOROUS AGITATION AT TEMPERATURES OF 40 TO 125*F., WARMING THE MIXTURE TO ABOUT 150-200* F. TO THEREBY FORM A CHROMIA-TITANIA-ALUMINA COGEL, DRYING AND ACTIVATING THE COGEL.
Claim 4
Independent Claim
86 words
THE METHOD OF PREPARING CATALYSTS WHICH CONSISTS ESSENTIALLY OF MIXING AN ALKYL TITANATE SELECTED FROM THE GROUP CONSISTING OF ALKYL TITANATE HAVING FROM ONE TO SEVEN CARBON ATOMS PER ALKOXIDE GROUP AND AN ALUMINUM ALCOHOLATE IN AN AMOUNT TO PROVIDE 2 TO 20 WEIGHT PERCENT OF ALUMINA BASED ON TITANIA WITH AN AQUEOUS ACID SOLUTION OF A CHROMIUM SALT WITH VIGOROUS AGITATION AT TEMPERATURES OF 40 TO 125*F., WARMING THE MIXTURE TO ABOUT 150-200* F. TO THEREBY FORM A CHROMIA-TITANIA-ALUMINA COGEL, DRYING AND ACTIVATING THE COGEL.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |