US3234150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strong base anion exchange resins from polymeric tertiary amines
Assignee: ChampionX LLC
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Filing: 1960-06-16
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Granted: 1966-02-08
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Expires: 1980-06-16
Abstract
No abstract record available.
Inventors
- 👤 Charles A Feldt
- 👤 George T Kekish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:21
CPC Classifications
B; B01; B01J; B01J41/00; B01J41/08; B01J41/12; B01J41/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A HIGH CAPACITY STRONG BASE ANION EXCHANGE RESIN WHICH COMPRISES A SOLVENT INSOLUBLE RESINOUS PARTICULATE CONDENSATE OF BEAD SHAPE FORMED BY REACTING AS SOLE STARTING MATERIALS AN EPHALOPHDRIN WITH A WATER SOLUBLE HOMOPOLYMERIC AMINE FROM THE GROUP CONSISTING OF HETEROCYCLIC POLYMERIC TERTIARY AMINES AND LINEAR POLYMER TERTIARY AMINES, WITH THE MOLAR RATIO OF GLYCEROL HALOHYDRIN TO WATER SOLUBLE POLYMERIC AMINE BEING AT LEAST 1:2.
Claim 2
Dependent Claim
64 words
A HIGH CAPACITY STRONG BASE ANION EXCHANGE RESIN WHICH COMPRISES A SOLVENT INSOLUBLE RESINOUS PARTICULATE CONDENSATE OF BEAD SHAPE FORMED BY REACTING AS SOLE STARTING MATERIALS AN EPHALOPHDRIN WITH A WATER SOLUBLE HOMOPOLYMERIC AMINE FROM THE GROUP CONSISTING OF HETEROCYCLIC POLYMERIC TERTIARY AMINES AND LINEAR POLYMER TERTIARY AMINES, WITH THE MOLAR RATIO OF GLYCEROL HALOHYDRIN TO WATER SOLUBLE POLYMERIC AMINE BEING AT LEAST 1:2.
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |