US3291580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prevention of microbial growth, corrosion, and the like
Assignee: Phillips Petroleum Co
•
Filing: 1963-05-03
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Granted: 1966-12-13
•
Expires: 1983-05-03
Abstract
No abstract record available.
Inventors
- 👤 Emil A Malick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:15
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/192; C10L1/198; C10L1/1985
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A METHOD FOR INHIBITING MICROBIAL ATTACK OF LIQUID HYDROCARBON FUELS WHEN SAID FUELS CONTACT A WATER PHASE, WHICH METHOD COMPRISES: INJECTING DIRECTLY INTO SAID WATER PHASE, FROM A SOURCE OTHER THAN SAID FUEL, A MICROBIAL GROWTH INHIBITING AMOUNT OF AT LEAST ONE ADDITIVE SELECTED FROM THE GROUP CONSISTING OF (A) POLYHYDROXY ALCOHOLS CONTAINING FROM 2 TO ABOUT 22 CARBON ATOMS AND FROM 2 TO 5 OH GROUPS PER MOLECULE WHEREIN EACH OH IS ATTACHED TO A DIFFERENT CARBON ATOM, AND (B) GLYCOL ETHERS HAVING THE FORMULA R(OCH2CH2)XOH WHEREN R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, METHYL, ETHYL, PROPYL, BUTYL, PHENYL AND TOLYL GROUPS, WHEN R IS HYDROGEN, X IS AN INTEGER OF FROM 2 TO 4, AND WHEN R IS OTHER THAN HYDROGEN, X IS AN INTEGE OF FROM 1 TO 4; AND CONTACTING SAID FUEL AND THE RESULTING WATER PHASE CONTAINING SAID ADDITIVE.
Claim 2
Independent Claim
146 words
A METHOD FOR INHIBITING MICROBIAL ATTACK OF LIQUID HYDROCARBON FUELS WHEN SAID FUELS CONTACT A WATER PHASE, WHICH METHOD COMPRISES: INJECTING DIRECTLY INTO SAID WATER PHASE, FROM A SOURCE OTHER THAN SAID FUEL, A MICROBIAL GROWTH INHIBITING AMOUNT OF AT LEAST ONE ADDITIVE SELECTED FROM THE GROUP CONSISTING OF (A) POLYHYDROXY ALCOHOLS CONTAINING FROM 2 TO ABOUT 22 CARBON ATOMS AND FROM 2 TO 5 OH GROUPS PER MOLECULE WHEREIN EACH OH IS ATTACHED TO A DIFFERENT CARBON ATOM, AND (B) GLYCOL ETHERS HAVING THE FORMULA R(OCH2CH2)XOH WHEREN R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, METHYL, ETHYL, PROPYL, BUTYL, PHENYL AND TOLYL GROUPS, WHEN R IS HYDROGEN, X IS AN INTEGER OF FROM 2 TO 4, AND WHEN R IS OTHER THAN HYDROGEN, X IS AN INTEGE OF FROM 1 TO 4; AND CONTACTING SAID FUEL AND THE RESULTING WATER PHASE CONTAINING SAID ADDITIVE.
References Cited (Backward Citations)
US3103101A
Cited
US3032971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |