US2622066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifoamant composition
Assignee: ExxonMobil Oil Corp
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Filing: 1951-09-27
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Granted: 1952-12-16
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Expires: 1971-09-27
Abstract
No abstract record available.
Inventors
- 👤 Jr John A Jehle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:49
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/004; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2219/00; C10M2219/06; C10M2219/062; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10N; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A MINERAL LUBRICATING OIL CONTAINING BETWEEN ABOUT 0.05 PER CENT, BY WEIGHT, AND ABOUT 2.5 PER CENT, BY WEIGHT, OF AN ANTIFOAMANT COMPOSITION CONSISTING OF BETWEEN ABOUT 1 PER CENT AND ABOUT 40 PER CENT, BY WEIGHT, OF A DIHYDROXY COMPOUND SELECTED FORM THE GROUP CONSISTING OF ALKYLENE GLYCOLS AND POLYALKYLENE GLYCOLS, AND BETWEEN ABOUT 99 PER CENT AND ABOUT 60 PER CENT, BY WEIGHT OF THE REACTION PRODUCT FORMED BY REACTING ABOUT 3 MOLES OF AN ALKYLPHENOL HAVING A TOTAL OF BETWEEN ABOUT 8 CARBON ATOMS AND ABOUT 12 CARBON ATOMS IN THE ALKYL RADICALS THEREOF, WITH ABOUT ONE MOLE OF PHOSPHORUS PENTOXIDE, AT A TEMPERATURE OF BETWEEN ABOUT 75* C. AND ABOUT 125* C.
Claim 2
Dependent Claim
116 words
A MINERAL LUBRICATING OIL CONTAINING BETWEEN ABOUT 0.05 PER CENT, BY WEIGHT, AND ABOUT 2.5 PER CENT, BY WEIGHT, OF AN ANTIFOAMANT COMPOSITION CONSISTING OF BETWEEN ABOUT 1 PER CENT AND ABOUT 40 PER CENT, BY WEIGHT, OF A DIHYDROXY COMPOUND SELECTED FORM THE GROUP CONSISTING OF ALKYLENE GLYCOLS AND POLYALKYLENE GLYCOLS, AND BETWEEN ABOUT 99 PER CENT AND ABOUT 60 PER CENT, BY WEIGHT OF THE REACTION PRODUCT FORMED BY REACTING ABOUT 3 MOLES OF AN ALKYLPHENOL HAVING A TOTAL OF BETWEEN ABOUT 8 CARBON ATOMS AND ABOUT 12 CARBON ATOMS IN THE ALKYL RADICALS THEREOF, WITH ABOUT ONE MOLE OF PHOSPHORUS PENTOXIDE, AT A TEMPERATURE OF BETWEEN ABOUT 75* C. AND ABOUT 125* C.
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) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |