US2972579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil compositions having reduced foaming tendencies
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1957-08-06
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Granted: 1961-02-21
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Expires: 1977-08-06
Abstract
No abstract record available.
Inventors
- 👤 Norman E Delfel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:50
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/004; B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; B01D19/0409; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/023; C10M2207/027; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/12; C10M2223/121; C10M2227/00; C10M2227/04; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/12; C10N2010/14; C10N2010/16; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/08; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
AN IMPROVED MINERAL OIL COMPOSITION HAVING A DECREASED FOAMING TENDENCY CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF MINERAL OIL AND A MINOR AMOUNT OF AN OIL-SOLUBLE DETERGENT ADDITIVE SELECTED FROM THE GROUP CONSISTING OF METAL SULFONATES, METAL ALKYL PHENOL SULFIDES AND MIXTURES THEREOF, ABOUT 0.001 TO 1.000 GRAM OF A DIMETHYL SILICONE POLYMER PER 100 GRAMS OF DRY ADDITIVE AND ABOUT 0.03 TO 15 GRAMS PER 100 GRAMS OF DRY ADDITIVE OF 1-OCTADECANOL, SAID DIMETHYL SILICONE POLYMER HAVING A VISCOSITY AT 25*C. IN THE RANGE OF 100 TO 12,500 CS.
Claim 2
Dependent Claim
90 words
AN IMPROVED MINERAL OIL COMPOSITION HAVING A DECREASED FOAMING TENDENCY CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF MINERAL OIL AND A MINOR AMOUNT OF AN OIL-SOLUBLE DETERGENT ADDITIVE SELECTED FROM THE GROUP CONSISTING OF METAL SULFONATES, METAL ALKYL PHENOL SULFIDES AND MIXTURES THEREOF, ABOUT 0.001 TO 1.000 GRAM OF A DIMETHYL SILICONE POLYMER PER 100 GRAMS OF DRY ADDITIVE AND ABOUT 0.03 TO 15 GRAMS PER 100 GRAMS OF DRY ADDITIVE OF 1-OCTADECANOL, SAID DIMETHYL SILICONE POLYMER HAVING A VISCOSITY AT 25*C. IN THE RANGE OF 100 TO 12,500 CS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |