US3324068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticized polyelectrolyte gel and method of making same
Assignee: Amicon Corp
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Filing: 1964-01-27
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Granted: 1967-06-06
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Expires: 1984-01-27
Abstract
No abstract record available.
Inventors
- 👤 Alan S Michaels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:57
CPC Classifications
B; B01; B01D; B01D71/00; B01D71/06; B01D71/76; B01D71/80; C; C08; C08G; C08G81/00; C08J; C08J3/00; C08J3/24; C08J3/246; C08L; C08L25/00; C08L25/18; C08L57/00; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J7/30; C09J7/32; D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/41; D21H17/42; D21H17/44; H; H01; H01M; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/414; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A PLASTICIZED GEL COMPOSITION FORMED OF TWO SYNTHETIC ORGANIC LINEAR POLYMERS IONICALLY CROSS-LINKED TO EACH OTHER, ONE OF SAID POLYMERS CONTAINING DISSOCIABLE ANIONIC GROUPS AND THE OTHER CONTAINING DISSOCIABLE CATIONIC GROUPS THE PROPORTIONS OF SAID TWO LINEAR POLYMERS BEING FROM 10:1 TO 1:10 BY WEIGHT, AND DISTRIBUTED IN SAID GEL COMPOSITION A PLASTICIZER THEREFOR SELECTED FROM THE CLASS CONSISTING OF NON-VOLATILE WATER-MISCIBLE ACIDS HAVING AN IONIZATION CONSTANT GREATER THAN 10**2, WATER-MISCIBLE ORGANIC OXYSULFUR COMPOUNDS, WATER-MISCIBLE ORGANIC OXYPHOSPHORUS COMPOUNDS, AND MIXTURES THEREOF.
Claim 2
Dependent Claim
81 words
A PLASTICIZED GEL COMPOSITION FORMED OF TWO SYNTHETIC ORGANIC LINEAR POLYMERS IONICALLY CROSS-LINKED TO EACH OTHER, ONE OF SAID POLYMERS CONTAINING DISSOCIABLE ANIONIC GROUPS AND THE OTHER CONTAINING DISSOCIABLE CATIONIC GROUPS THE PROPORTIONS OF SAID TWO LINEAR POLYMERS BEING FROM 10:1 TO 1:10 BY WEIGHT, AND DISTRIBUTED IN SAID GEL COMPOSITION A PLASTICIZER THEREFOR SELECTED FROM THE CLASS CONSISTING OF NON-VOLATILE WATER-MISCIBLE ACIDS HAVING AN IONIZATION CONSTANT GREATER THAN 10**2, WATER-MISCIBLE ORGANIC OXYSULFUR COMPOUNDS, WATER-MISCIBLE ORGANIC OXYPHOSPHORUS COMPOUNDS, AND MIXTURES THEREOF.
References Cited (Backward Citations)
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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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |