Patent US2727009A successfully refreshed from Google Patents.
US2727009A
Expired / Lapsed
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Antifoam compositions and method of foam inhibition
Assignee: ChampionX LLC
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Filing: 1952-05-22
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Granted: 1955-12-13
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Expires: 1972-05-22
Abstract
No abstract record available.
Inventors
- 👤 Myron J Jursich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:45
CPC Classifications
C; C13; C13B; C13B10/00; C13B10/14; B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
129 words
A METHOD OF DEFOAMING AQUEOUS LIQUIDS WHICH ARE NORMALLY SUSCEPTIBLE TO FOAMING WHICH COMPRISES TREATING SAID LIQUIDS WITH A QUANTITY OF A DEFOAMING COMPOSITION CONSISTING ESSENTIALLY OF 21% TO 25% BY WEIGHT OF LECITHIN, 5% TO 20% BY WEIGHT OF A COMGLYCOL 400 DILAURATE AND 0% TO 25* BY WEIGHT OF A COMPOUND FROM THE GROUP CONSISTING OF POLYOXYPROPYLENE DIOLS HAVING A MOLECULAR WEIGHT OF AT LEAST 400 AND THE MONOETHERS AND DIETHERS THEREOF IN WHICH THE TERMINAL ETHER GROUP CONTAINS NOT MORE THAN 7 CARBON ATOMS, ALL DISSOLVED IN A WATER IMMISCIBLE NORMALLY LIQUID HYDROPHOBIC SOLVENT, THE COMPONENTS OF SAID COMPOSITION BEING EMPLOYED IN PORPORTIONS SUFFICIENT TO FORM A SOLUTION IN SAID SOLVENT AND THE PRODUCT BEING SELF-EMULSIFIABLE IN WATER, SAID QUANTITY BEING SUFFICIENT TO SUBSTANTIALLY PREVENT FOAMING.
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) | 1958-12-12 | 1959-06-13 | 1959-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-12 | 1963-06-13 | 1963-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-12 | 1967-06-13 | 1967-12-13 | $7700.00 | Window Closed / Lapsed |