US3071434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for makling crystalline zeolites
Assignee: ExxonMobil Oil Corp
•
Filing: 1960-01-20
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Granted: 1963-01-01
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Expires: 1980-01-20
Abstract
No abstract record available.
Inventors
- 👤 Vincent J Frilette
- 👤 George T Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:19
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2815; Y; Y10; Y10S; Y10S423/00; Y10S423/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A CONTINUOUS METHOD FOR SYNTHESIZING A SOLID SO DIUM ALUMINOSILICATE MOLECULAR SIEVE MADE UP OF POROUS CRYSTALS WHEREIN THE PORES OF THE CRYSTALS ARE OF UNIFORM SIZE AND HAVE AN EFFECTIVE PORE SIZE OF ABOUT 4 ANGSTROM UNITS WHICH COMPRISES CONTINUOUSLY PREPARING A SODIUM OXIDE-SILICA-ALUMINA-WATER REACTION MIXTURE HAVING A COM-
Claim 2
Dependent Claim
50 words
A CONTINUOUS METHOD FOR SYNTHESIZING A SOLID SO DIUM ALUMINOSILICATE MOLECULAR SIEVE MADE UP OF POROUS CRYSTALS WHEREIN THE PORES OF THE CRYSTALS ARE OF UNIFORM SIZE AND HAVE AN EFFECTIVE PORE SIZE OF ABOUT 4 ANGSTROM UNITS WHICH COMPRISES CONTINUOUSLY PREPARING A SODIUM OXIDE-SILICA-ALUMINA-WATER REACTION MIXTURE HAVING A COM-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |