Patent US4413086A successfully refreshed from Google Patents.
US2829112A
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Anti-foam emulsions
Assignee: General Electric Co
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Filing: 1955-09-22
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Granted: 1958-04-01
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Expires: 1975-09-22
Abstract
No abstract record available.
Inventors
- 👤 Myer M Solomon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:32
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
AN ANTI-FOAM EMULSION CONSISTING ESSENTIALLY, BY WEIGHT, OF (1) FROM 20 TO 40 PARTS OF A METHYLPOLYSILOXANE OF FROM 20 TO 125 CENTIPOISES VISCOSITY OF 25*C. AND HAVING A RATIO OF FROM ABOUT 1.95 TO 2.25 METHYL GROUPS PER SILICON ATOM, (2) FROM 0.5 TO 5 PARTS OF A FINELY DIVIDED SILICA SELECTED FROM THE CLASS CONSISTING OF SILICA AEROGEL, FUME SILICAS, AND PRECIPITATED SILICAS, (3) FROM 40 TO 65 PARTS WATER, (4) FROM 4 TO 8 PARTS OF THE MONOSTEARIC ACID ESTER OF POLYETHYLENE GLYCOL HAVING THE FORMULA
Claim 2
Dependent Claim
89 words
AN ANTI-FOAM EMULSION CONSISTING ESSENTIALLY, BY WEIGHT, OF (1) FROM 20 TO 40 PARTS OF A METHYLPOLYSILOXANE OF FROM 20 TO 125 CENTIPOISES VISCOSITY OF 25*C. AND HAVING A RATIO OF FROM ABOUT 1.95 TO 2.25 METHYL GROUPS PER SILICON ATOM, (2) FROM 0.5 TO 5 PARTS OF A FINELY DIVIDED SILICA SELECTED FROM THE CLASS CONSISTING OF SILICA AEROGEL, FUME SILICAS, AND PRECIPITATED SILICAS, (3) FROM 40 TO 65 PARTS WATER, (4) FROM 4 TO 8 PARTS OF THE MONOSTEARIC ACID ESTER OF POLYETHYLENE GLYCOL HAVING THE FORMULA
References Cited (Backward Citations)
US2632736A
Cited
US2595928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |