US3058894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of microorganisms
Assignee: Columbian Carbon Co
•
Filing: 1959-08-10
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Granted: 1962-10-16
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Expires: 1979-08-10
Abstract
No abstract record available.
Inventors
- 👤 Jules V Hallum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:14
CPC Classifications
C; C12; C12N; C12N13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
PROCESS FOR INACTIVATING VIRULENT DISEASE-CAUSING PARTICLES WITHOUT DESTROYING THEIR IMMUNOLOGICAL PROPERTIES WHICH COMPRISES SUBJECTING THE VIRULENT PARTICLES TO ELECTROLYSIS WHILE IN AQUEOUS SUSPENSION AT A PH OF ABOUT 7 IN CONTACT WITH THE ANODE OF AN ELECTROLYSIS CELL, AT A CONSTANT POTENTIAL OF NOT LESS THAN ABOUT 1 VOLT VERSUS THE NORMAL CALOMEL ELECTRODE, BUT BELOW THE DEOCMPOSITION POTENTIAL OF THE WATER-ELECTRLYTE SYSTEM AND WHILE PREVENTING CONTACT OF THE SAID PARTICLES WITH THE CATHODE OF THE CELL.
Claim 2
Dependent Claim
77 words
PROCESS FOR INACTIVATING VIRULENT DISEASE-CAUSING PARTICLES WITHOUT DESTROYING THEIR IMMUNOLOGICAL PROPERTIES WHICH COMPRISES SUBJECTING THE VIRULENT PARTICLES TO ELECTROLYSIS WHILE IN AQUEOUS SUSPENSION AT A PH OF ABOUT 7 IN CONTACT WITH THE ANODE OF AN ELECTROLYSIS CELL, AT A CONSTANT POTENTIAL OF NOT LESS THAN ABOUT 1 VOLT VERSUS THE NORMAL CALOMEL ELECTRODE, BUT BELOW THE DEOCMPOSITION POTENTIAL OF THE WATER-ELECTRLYTE SYSTEM AND WHILE PREVENTING CONTACT OF THE SAID PARTICLES WITH THE CATHODE OF THE CELL.
References Cited (Backward Citations)
GB150318A
Cited
US1711416A
Cited
US1738801A
Cited
US1718282A
Cited
US2428328A
Cited
USRE24752E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |