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US3072633A
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Process for preparation and use of catalyst support
Assignee: Honeywell International Inc
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Filing: 1959-03-31
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Granted: 1963-01-08
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Expires: 1979-03-31
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Cawthon
- 👤 Jr Daniel E-Nee
- 👤 Henry H Richmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:15
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/14; B01J27/186; B01J27/188; C; C08; C08F; C08F10/00; C08F10/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A PROCESS FOR POLYMERIZING ETHYLENE TO SOLID POLYMERS BY CONTACTING THE ETHYLENE WITH A CATALYST COMPRISING A MAGNESIUM CHROMATE SUPPORTED ON A METAL PHOSPHATE AND WITH AN ALUMINUM TRIALKYL, THE IMPROVEMENT WHICH COMPRISES UTILIZING AS SUPPORT A GEL OBTAINED BY REMOVING WATER AND WATER-SOLUBLE LIQUID FROM A GEL OF THE GROUP CONSISTING OF MAGNESIUM PHOSPHATE AND ZINC PHOSPHATE GELS HAVING THE CONTINUOUS PHASE CONSISTING IN AT LEAST MAJOR PROPORTION BY WEIGHT OF AN ORGANIC LIQUID AT LEAST PARTIALLY SOLUBLE IN WATER AND OF LOWER SURFACE TENSION THAN WATER.
Claim 2
Dependent Claim
89 words
IN A PROCESS FOR POLYMERIZING ETHYLENE TO SOLID POLYMERS BY CONTACTING THE ETHYLENE WITH A CATALYST COMPRISING A MAGNESIUM CHROMATE SUPPORTED ON A METAL PHOSPHATE AND WITH AN ALUMINUM TRIALKYL, THE IMPROVEMENT WHICH COMPRISES UTILIZING AS SUPPORT A GEL OBTAINED BY REMOVING WATER AND WATER-SOLUBLE LIQUID FROM A GEL OF THE GROUP CONSISTING OF MAGNESIUM PHOSPHATE AND ZINC PHOSPHATE GELS HAVING THE CONTINUOUS PHASE CONSISTING IN AT LEAST MAJOR PROPORTION BY WEIGHT OF AN ORGANIC LIQUID AT LEAST PARTIALLY SOLUBLE IN WATER AND OF LOWER SURFACE TENSION THAN WATER.
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |