Patent US1866959A successfully refreshed from Google Patents.
US2764518A
Expired / Lapsed
US
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Therapeutic mixture of carboxylic cation exchange resin and its copper salt
Assignee: Rohm and Haas Co
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Filing: 1953-09-30
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Granted: 1956-09-25
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Expires: 1973-09-30
Abstract
No abstract record available.
Inventors
- 👤 Francis M Thurmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:31
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/06; A61K9/14; A61K2800/00; A61K2800/40; A61K2800/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A THERAPENTIC COMPOSITION COMPRISING IN ADMIXTURE A FINELY PARTICLED CARBOXYLIC CATION-EXCHANGE RESIN IN THE FORM OF ITS COPPER SALT AND A FINELY PARTICLED CARBOXYLIC CATION-EXCHANGE RESIN IN ITS HYDROGEN FORM, THE LATTER FORMING AT LEAST 2% OF THE COMPOSITION.
Claim 2
Dependent Claim
39 words
A THERAPENTIC COMPOSITION COMPRISING IN ADMIXTURE A FINELY PARTICLED CARBOXYLIC CATION-EXCHANGE RESIN IN THE FORM OF ITS COPPER SALT AND A FINELY PARTICLED CARBOXYLIC CATION-EXCHANGE RESIN IN ITS HYDROGEN FORM, THE LATTER FORMING AT LEAST 2% OF THE COMPOSITION.
References Cited (Backward Citations)
US2501927A
Cited
US2653902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |