US3047514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for manufacturing an active catalyst composition
Assignee: Engelhard Industries Inc
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Filing: 1959-08-07
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Granted: 1962-07-31
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Expires: 1979-08-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Emmett H Burk
- 👤 Mooi John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:52
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; B01J27/128; B01J27/13; B01J21/00; B01J21/02; B01J21/04; B01J23/00; B01J23/38; B01J23/40; B01J27/08; C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2791
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD FOR MANUFACTURING AN ACTIVE CATALYST COMPOSITION INCLUDING ABOUT 0.01 TO 2 PERCENT OF A PLATINUM GROUP NOBLE METAL, ABOUT 5 TO 50 PERCENT OF AN ALUMINUM HALIDE, AND ABOUT 40 TO 95 PERCENT OF AN ACTIVATED ALUMINA, THE STEPS COMPRISING MIXING UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS, A NOBLE METAL-ACTIVATED ALUMINA COMPOSITION, A LOWER ALKYL ALUMINUM COMPOUND, AND A NONAQUEOUS SOLVENT FOR THE LOWER ALKYL ALUMINUM COMPOUND AT TEMPERATURES FROM ABOUT 40* F. TO 350* F. TO FORM A MIXTURE AND CONTACTING THE MIXTURE WITH HALOGENATING AGENT TO CONVERT ALKYL ALUMINUM TO ALUMINUM HALIDE AND PRODUCE THE NOBLE METAL-ALUMINUM HALIDE-ACTIVATED ALUMINA CATALYST.
Claim 2
Independent Claim
102 words
A METHOD FOR MANUFACTURING AN ACTIVE CATALYST COMPOSITION INCLUDING ABOUT 0.01 TO 2 PERCENT OF A PLATINUM GROUP NOBLE METAL, ABOUT 5 TO 50 PERCENT OF AN ALUMINUM HALIDE, AND ABOUT 40 TO 95 PERCENT OF AN ACTIVATED ALUMINA, THE STEPS COMPRISING MIXING UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS, A NOBLE METAL-ACTIVATED ALUMINA COMPOSITION, A LOWER ALKYL ALUMINUM COMPOUND, AND A NONAQUEOUS SOLVENT FOR THE LOWER ALKYL ALUMINUM COMPOUND AT TEMPERATURES FROM ABOUT 40* F. TO 350* F. TO FORM A MIXTURE AND CONTACTING THE MIXTURE WITH HALOGENATING AGENT TO CONVERT ALKYL ALUMINUM TO ALUMINUM HALIDE AND PRODUCE THE NOBLE METAL-ALUMINUM HALIDE-ACTIVATED ALUMINA CATALYST.
References Cited (Backward Citations)
US2840527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |