US3101251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing molecular sieves
Assignee: Union Carbide Corp
•
Filing: 1960-01-15
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Granted: 1963-08-20
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Expires: 1980-01-15
Abstract
No abstract record available.
Inventors
- 👤 Peter A Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:29
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2815; Y; Y10; Y10S; Y10S423/00; Y10S423/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN IMPROVED METHOD FOR PRODUCING ZEOLITE A WHICH COMPRISES THE STEPS OF: PROVIDING A STARTING COMPOUND CONSISTING OF NON-KALINITIC ALUMINO-SILICATE MINERAL, HAVING IN THE COMPOSITION THEREOF SIO2 AND AI2O3 IN A MOLAR RATIO BETWEEN 1 AND 13, IN ADMIXTURE AT A TEMPERATURE BETWEEN HYDROXIDE, FUSING SAID ADMIXTURE AT A TEMPERATURE BETWEEN 330 AND 370*C., FORMING WITH SAID FUSED ADMIXTURE AN AQUEOUS REACTANT MIXTURE HAVING IN THE AGGREGATE OXIDES OF AI, SI AND NA, AND H2O DEFINED IN TERMS OF OXIDE MOLE RATIOS ABOUT AS FOLLOWS:
Claim 2
Dependent Claim
85 words
AN IMPROVED METHOD FOR PRODUCING ZEOLITE A WHICH COMPRISES THE STEPS OF: PROVIDING A STARTING COMPOUND CONSISTING OF NON-KALINITIC ALUMINO-SILICATE MINERAL, HAVING IN THE COMPOSITION THEREOF SIO2 AND AI2O3 IN A MOLAR RATIO BETWEEN 1 AND 13, IN ADMIXTURE AT A TEMPERATURE BETWEEN HYDROXIDE, FUSING SAID ADMIXTURE AT A TEMPERATURE BETWEEN 330 AND 370*C., FORMING WITH SAID FUSED ADMIXTURE AN AQUEOUS REACTANT MIXTURE HAVING IN THE AGGREGATE OXIDES OF AI, SI AND NA, AND H2O DEFINED IN TERMS OF OXIDE MOLE RATIOS ABOUT AS FOLLOWS:
References Cited (Backward Citations)
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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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |