US3341284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-silica molecular sieve zeolites
Assignee: Union Oil Company of California
•
Filing: 1964-02-17
•
Granted: 1967-09-12
•
Expires: 1984-02-17
Abstract
No abstract record available.
Inventors
- 👤 Young Dean Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:09
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2838; C01B33/2853; Y; Y10; Y10S; Y10S423/00; Y10S423/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A METHOD FOR THE MANUFACTURE OF A MOLECULAR SIEVE ZEOLITE OF THE Y CRYSTAL TYPE WHICH COMPRISES FORMING A REACTION MIXTURE CONSISTING ESSENTIALLY OF WATER, AN AMORPHOUS DIATOMITE, SODIUM HYDROXIDE AND SODIUM ALUMINATE, WHEREIN THE MOLE-RATIOS OF THE COMPONENTS FALL WITHIN THE RANGES:
Claim 2
Independent Claim
43 words
A METHOD FOR THE MANUFACTURE OF A MOLECULAR SIEVE ZEOLITE OF THE Y CRYSTAL TYPE WHICH COMPRISES FORMING A REACTION MIXTURE CONSISTING ESSENTIALLY OF WATER, AN AMORPHOUS DIATOMITE, SODIUM HYDROXIDE AND SODIUM ALUMINATE, WHEREIN THE MOLE-RATIOS OF THE COMPONENTS FALL WITHIN THE RANGES:
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |