US3098039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the control of bacteria
Assignee: Commercial Solvents Corp
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Filing: 1960-10-28
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Granted: 1963-07-16
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Expires: 1980-10-28
Abstract
No abstract record available.
Inventors
- 👤 Edward B Hodge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:36
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/605; Y; Y10; Y10S; Y10S507/00; Y10S507/92
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN A PROCESS OF SECONDARY OIL RECOVERY CHARACTERIZED BY THE STEP OF INJECTING FLOODING WATER INTO OIL-BEARING SUBTERRANEAN FORMATIONS TO DISPLACE PORTIONS OF THE RESIDUAL OIL THEREIN, THE IMPROVEMENT WHICH COMPRISES INCORPORATING IN THE SAID INJECTED FLOODING WATER IN EXCESS OF 10-25 PARTS PER MILLION OF A NITRO-SUBSTITUTED ALKYL ESTER FORMED FROM THE CONDENSATION OF LOWER NITROALKANOLS AND ALKYL CARBOXYLIC, ACIDS SELECTED FROM THE GROUP CONSISTING OF TARTARIC ACID, CITRIC ACID, AND ADIPIC ACID TO INHIBIT THE GROWTH OF BACTERIA WITHIN SAID FORMATIONS.
Claim 2
Dependent Claim
83 words
IN A PROCESS OF SECONDARY OIL RECOVERY CHARACTERIZED BY THE STEP OF INJECTING FLOODING WATER INTO OIL-BEARING SUBTERRANEAN FORMATIONS TO DISPLACE PORTIONS OF THE RESIDUAL OIL THEREIN, THE IMPROVEMENT WHICH COMPRISES INCORPORATING IN THE SAID INJECTED FLOODING WATER IN EXCESS OF 10-25 PARTS PER MILLION OF A NITRO-SUBSTITUTED ALKYL ESTER FORMED FROM THE CONDENSATION OF LOWER NITROALKANOLS AND ALKYL CARBOXYLIC, ACIDS SELECTED FROM THE GROUP CONSISTING OF TARTARIC ACID, CITRIC ACID, AND ADIPIC ACID TO INHIBIT THE GROWTH OF BACTERIA WITHIN SAID FORMATIONS.
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |