US3024207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion-exchange products and methods for making and suing them
Assignee: Rohm and Haas Co
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Filing: 1958-04-10
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Granted: 1962-03-06
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Expires: 1978-04-10
Abstract
No abstract record available.
Inventors
- 👤 Robert S Shaw
- 👤 Robert P Hopkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:25
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0061; B; B01; B01J; B01J47/00; B01J47/018
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN ARTICLE OF MANUFACTURE COMPRISING A COHERENT, SELF-SUPPORTING FOAMED INTERCOMMUNICATING-CELL TYPE MASS OF WATER-INSOLUBLE POLYMERIC MATERIAL IN WHICH THE CELLS ARE OF MACROSCOPIC SIZE, THE POLYMERIC MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF ADDITION POLYMERS OF A POLYMERIZABLE MONOETHYLENICALLY UNSATURATED COMPOUND, ALKYD RESINS, AND POLYURETHANES, THE MASS CONTAIN ING PARTICULES ION-EXCHANGE RESIN DISTRIBUTED IN THE WALLS BETWEEN SUCH CELLS, THE ION-EXCHANGE RESIN BEING A CROSSLINK SYNTHETIC RESIN SELECTED FROM THE GROUP CONSISTING OF ORGANIC CONDENSATION AND ADDITION POLYMERS CONTAINING ION-EXCHANGE GROUPS, THE AMOUNT OF SUCH ION-EXCHANGE RESIN BEING FROM 20 TO 150 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE FIRST-MENTIONED POLYMERIC MATERIAL, SAID ARTICULE HAVONG A DENSITY OF NOT OVER 20 POUNDS PER CUBIC FOOT AND BEING PERMEABLE TO BOTH GASES AND LIQUIDS, WHEREBY THE ION-EXCHANGE RESIN IS READILY AVAILABLE TO LIQUIDA INTRODUCED INTO THE MASS.
Claim 2
Dependent Claim
140 words
AN ARTICLE OF MANUFACTURE COMPRISING A COHERENT, SELF-SUPPORTING FOAMED INTERCOMMUNICATING-CELL TYPE MASS OF WATER-INSOLUBLE POLYMERIC MATERIAL IN WHICH THE CELLS ARE OF MACROSCOPIC SIZE, THE POLYMERIC MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF ADDITION POLYMERS OF A POLYMERIZABLE MONOETHYLENICALLY UNSATURATED COMPOUND, ALKYD RESINS, AND POLYURETHANES, THE MASS CONTAIN ING PARTICULES ION-EXCHANGE RESIN DISTRIBUTED IN THE WALLS BETWEEN SUCH CELLS, THE ION-EXCHANGE RESIN BEING A CROSSLINK SYNTHETIC RESIN SELECTED FROM THE GROUP CONSISTING OF ORGANIC CONDENSATION AND ADDITION POLYMERS CONTAINING ION-EXCHANGE GROUPS, THE AMOUNT OF SUCH ION-EXCHANGE RESIN BEING FROM 20 TO 150 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE FIRST-MENTIONED POLYMERIC MATERIAL, SAID ARTICULE HAVONG A DENSITY OF NOT OVER 20 POUNDS PER CUBIC FOOT AND BEING PERMEABLE TO BOTH GASES AND LIQUIDS, WHEREBY THE ION-EXCHANGE RESIN IS READILY AVAILABLE TO LIQUIDA INTRODUCED INTO THE MASS.
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) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |