US2586852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kaolin-phosphoric acid polymerization catalyst
Assignee: Individual
•
Filing: 1947-11-06
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Granted: 1952-02-26
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Expires: 1967-11-06
Abstract
No abstract record available.
Inventors
- 👤 Jacque C Morrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:21
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/14; B01J27/16; C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/14; C07C2/18; C07C2521/00; C07C2521/16; C07C2527/00; C07C2527/14; C07C2527/16; C07C2527/167; C07C2527/173
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A CATALYST SUITABLE FOR POLYMERIZING OLEFIN HYDROCARBONS CONSISTING ESSENTIALLY OF A MIXTURE OF A PHOSPHORIC ACID AND KAOLIN BAKED AT AN ELEVATED TEMPERATURE PRIOR TO THE POLYMERIZING PROCESS, THE SAID KAOLIN COMPRISING NOT LESS THAN 25% OF THE BAKED MIXTURE.
Claim 2
Dependent Claim
40 words
A CATALYST SUITABLE FOR POLYMERIZING OLEFIN HYDROCARBONS CONSISTING ESSENTIALLY OF A MIXTURE OF A PHOSPHORIC ACID AND KAOLIN BAKED AT AN ELEVATED TEMPERATURE PRIOR TO THE POLYMERIZING PROCESS, THE SAID KAOLIN COMPRISING NOT LESS THAN 25% OF THE BAKED MIXTURE.
References Cited (Backward Citations)
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US2020649A
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US2063933A
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US2126282A
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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) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |