US3062739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of chemical wastes
Assignee: Crane Co
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Filing: 1960-10-25
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Granted: 1962-11-06
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Expires: 1980-10-25
Abstract
No abstract record available.
Inventors
- 👤 George J Crits
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:09
CPC Classifications
B; B01; B01J; B01J47/00; B01J47/02; B01J47/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE METHOD OF CONTINUOUSLY NEUTRALIZING SUCCESCESSIVELY GENERATED QUANTITIES OF ACIDIC AND ALKALINE WASTE MATERIALS COMPRISING THE STEPS OF SUCCESSIVELY PASSING A SAID ACIDIC AND ALKALINE QUANTITIES THROUGH THE SAME WEAK ION EXCHANGER IN THE ORDER IN WHICH THEY ARE GENERATED, THE PASSAGE OF EACH OF SAID QUANTITIES EFFECTIVELY NEUTRALIZING THAT QUANTITY WHILE, AT THE SAME TIME, EFFECTIVELY REGENERATING SAID EXCHANGER FOR USE IN NEUTRALIZING THE PASSAGE OF THE SUBSEQUENTLY GENERATED QUANTITY OF WASTE MATERIAL.
Claim 2
Independent Claim
74 words
THE METHOD OF CONTINUOUSLY NEUTRALIZING SUCCESCESSIVELY GENERATED QUANTITIES OF ACIDIC AND ALKALINE WASTE MATERIALS COMPRISING THE STEPS OF SUCCESSIVELY PASSING A SAID ACIDIC AND ALKALINE QUANTITIES THROUGH THE SAME WEAK ION EXCHANGER IN THE ORDER IN WHICH THEY ARE GENERATED, THE PASSAGE OF EACH OF SAID QUANTITIES EFFECTIVELY NEUTRALIZING THAT QUANTITY WHILE, AT THE SAME TIME, EFFECTIVELY REGENERATING SAID EXCHANGER FOR USE IN NEUTRALIZING THE PASSAGE OF THE SUBSEQUENTLY GENERATED QUANTITY OF WASTE MATERIAL.
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) | 1965-11-05 | 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 |