Patent US3213164A successfully refreshed from Google Patents.
US3213164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for compaction of zeolite powders
Assignee: Union Carbide Corp
•
Filing: 1960-12-28
•
Granted: 1965-10-19
•
Expires: 1980-12-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Donald C Freeman
- 👤 Dennis N Stamires
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:15
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18; B01J20/183; B01J2/00; B01J2/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A METHOD OF FORMING ZEOLITIC COMPACTS WHICH COMPRISES DEHYDRATING A CRYSTALLINE ZEOLITE OF THE MOLECALAR SIEVE TYPE UNTIL FROM ABOUT 80% UP TO ABOUT 95% OF THE MOISTURE CONTENT ORIGINALLY CONTAINED IN SAID ZEOLITE IS DRIVEN OFF, AND APPLYING AT LEAST ABOUT 10,000 P.S.I. OF PRESSURE TO SAID PARTIALLY DEHYDRATED ZEOLITE THEREBY FORMING SAID ZEOLITIC COMPACT.
Claim 2
Independent Claim
56 words
A METHOD OF FORMING ZEOLITIC COMPACTS WHICH COMPRISES DEHYDRATING A CRYSTALLINE ZEOLITE OF THE MOLECALAR SIEVE TYPE UNTIL FROM ABOUT 80% UP TO ABOUT 95% OF THE MOISTURE CONTENT ORIGINALLY CONTAINED IN SAID ZEOLITE IS DRIVEN OFF, AND APPLYING AT LEAST ABOUT 10,000 P.S.I. OF PRESSURE TO SAID PARTIALLY DEHYDRATED ZEOLITE THEREBY FORMING SAID ZEOLITIC COMPACT.
References Cited (Backward Citations)
US1174646A
Cited
US2137101A
Cited
US2261916A
Cited
US2358406A
Cited
US2686572A
Cited
US2764251A
Cited
US2958579A
Cited
US3048478A
Cited
US3013982A
Cited
US2979381A
Cited
US2987777A
Cited
US3060000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |