US3062379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion exchange fabrics
Assignee: Rohm and Haas Co
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Filing: 1959-11-05
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Granted: 1962-11-06
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Expires: 1979-11-05
Abstract
No abstract record available.
Inventors
- 👤 William L Bryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:46
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/20; C08J5/22; C08J5/2287
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A STRUCTURE WHICH EXHIBITS ION EXCHANGE PROPERTIES COMPRISING (1) A WATER-INSOLUBLE SUPPORTING BASE, SAID SUPPORTING BASE BEING A WOVEN FABRIC COMPOSED OF AT LEAST A MAJOR PROPORTION OF WATER-INSOLUBLE MATERIALS WHICH DO NOT EXHIBT ION EXCHANGE PROPERTIES, AND (2) A PLURALITY OF WATER-INSOLIBLE AGGREGATES OF SYNTHETIC ION EXCHANGE FIBERS HAVING ION EXCHANGE GROUPS, SAID FIBERS BEING FIRMLY ATTACHED TO THE SUPPORTING BASE, EACH OF SAID ION EXCHANGE
Claim 2
Dependent Claim
67 words
A STRUCTURE WHICH EXHIBITS ION EXCHANGE PROPERTIES COMPRISING (1) A WATER-INSOLUBLE SUPPORTING BASE, SAID SUPPORTING BASE BEING A WOVEN FABRIC COMPOSED OF AT LEAST A MAJOR PROPORTION OF WATER-INSOLUBLE MATERIALS WHICH DO NOT EXHIBT ION EXCHANGE PROPERTIES, AND (2) A PLURALITY OF WATER-INSOLIBLE AGGREGATES OF SYNTHETIC ION EXCHANGE FIBERS HAVING ION EXCHANGE GROUPS, SAID FIBERS BEING FIRMLY ATTACHED TO THE SUPPORTING BASE, EACH OF SAID ION EXCHANGE
References Cited (Backward Citations)
US2974101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |