Patent US3328119A successfully refreshed from Google Patents.
US3328119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic crystalline alumino-borosilicate zeolites and preparation thereof
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-09-18
•
Granted: 1967-06-27
•
Expires: 1983-09-18
Abstract
No abstract record available.
Inventors
- 👤 Robson Harry Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:46
CPC Classifications
C; C01; C01B; C01B35/00; C01B35/08; C01B35/10; C01B35/1009; Y; Y10; Y10S; Y10S423/00; Y10S423/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A SYNTHETIC CRYSTALLINE ALUMINO-SILICATE ZEOLITE CONTAINING BORIA AS AN INTEGRAL PART OF ITS CRYSTAL FRAMEWORK, SAID FRAMEWORK BEING CHARACTERIZED BY UNIFORMLY DIMENSIONED PORE OPENINGS.
Claim 2
Dependent Claim
24 words
A SYNTHETIC CRYSTALLINE ALUMINO-SILICATE ZEOLITE CONTAINING BORIA AS AN INTEGRAL PART OF ITS CRYSTAL FRAMEWORK, SAID FRAMEWORK BEING CHARACTERIZED BY UNIFORMLY DIMENSIONED PORE OPENINGS.
References Cited (Backward Citations)
GB104008A
Cited
US1840450A
Cited
US2983670A
Cited
US3140322A
Cited
US3039953A
Cited
US3125511A
Cited
US3132087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |