Patent JPS57202884A successfully refreshed from Google Patents.
US3784479A
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Foam control composition
Assignee: Dow Silicones Corp
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Filing: 1972-05-15
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Granted: 1974-01-08
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Expires: 1992-05-15
Abstract
Abstract A COMPOSITION FOR CONTROLLING FOAM IS DISCLOSED WHICH COMPRISES A BASE OIL OF POLYOXYPROPYLENE POLYMERS, POLYOXYPRIPYLENE-POLYOXYETHYLENE COPOLYMERS OR SILOXANE LYCOL COPOLYMERS. A FOAM CONTROL AGENT COMPRISING A LIQUID POLYDIMETHYLSILOXANE, 88-95 PARTS BY WEIGHT, AND 0.1-10 PERCENT BY WEIGHT OF A SILOXANE COPOLYMER DISPERSING AGENT, SILICA MAY ALSO BE PRESENT.
Inventors
- 👤 J Keil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:15
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/651; B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; C; C08; C08L; C08L83/00; C08L83/04; C08L83/10; C08L83/12; D06P1/60; D06P1/613; C08G; C08G77/00; C08G77/42; C08G77/46; Y; Y10; Y10S; Y10S8/00; Y10S8/01; Y10S8/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |