Patent US3262891A successfully refreshed from Google Patents.
US3262891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agglomeration prevention in anion exchange and mixed exchange resins using finely divided bentonite
Assignee: Diamond Shamrock Corp
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Filing: 1962-07-09
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Granted: 1966-07-26
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Expires: 1982-07-09
Abstract
No abstract record available.
Inventors
- 👤 Irving M Abrams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:23
CPC Classifications
B; B01; B01J; B01J47/00; B01J47/02; B01J47/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
THE METHOD FOR THE PREVENTION OF AGGLOMERATION OF AN ION EXCHANGE RESIN SELECTED FROM THE GROUP CONSISTING OF ANION EXCHANGE RESINS AND MIXED BEDS OF CATION AND ANION EXCHANGE RESINS WHICH CONSISTS OF CONTACTING THE RESIN WITH AN AQUEOUS SUSPENSION OF FINELY DIVIDED BENTONITE.
Claim 2
Independent Claim
44 words
THE METHOD FOR THE PREVENTION OF AGGLOMERATION OF AN ION EXCHANGE RESIN SELECTED FROM THE GROUP CONSISTING OF ANION EXCHANGE RESINS AND MIXED BEDS OF CATION AND ANION EXCHANGE RESINS WHICH CONSISTS OF CONTACTING THE RESIN WITH AN AQUEOUS SUSPENSION OF FINELY DIVIDED BENTONITE.
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |