Patent US3574539A successfully refreshed from Google Patents.
US3574539A
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Method of manufacturing crystalline mordenite
Assignee: Air Liquide SA
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Filing: 1968-09-27
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Granted: 1971-04-13
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Expires: 1988-09-27
Abstract
Abstract A PROCESS IS DISCLOSED FOR SYNTHESIZING CRYSTALLINE MORDENITE BY A HYDROTHERMAL TREATMENT. A WATER DISPERSION OF A POWDERY AMORPHOUS ALKALI METAL SILICOALUMINATE HAVING A SIMILAR ANALYSIS TO THAT OF MORDENITE IS TREATED UNDER PRESSURE FOR AT LEAST SEVERAL HOURS AT A TEMPERATURE OF AT LEAST 100*C. AND AT AN INITIAL PH BETWEEN 11 AND 13.3.
Inventors
- 👤 Daniel Domine
- 👤 Jean Quobex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:44
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/36; C01B33/46; B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18; B01J20/186; C01B33/26; C01B33/28; C01B33/2807; C01B33/2861; Y; Y10; Y10S; Y10S423/00; Y10S423/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |