US3700400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicone-polyalkylene oxide block copolymer suppressing foam in jet dyeing
Assignee: Imperial Chemical Industries Ltd
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Filing: 1971-05-03
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Granted: 1972-10-24
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Expires: 1991-05-03
Abstract
Abstract ANTIFOAM COMPOSITIONS CONSISTING OF SILICA-CONTAINING SILOXANE/OXYALKYLENE COPOLYMERS WHICH ARE PARTICULARLY SUITABLE FOR JET DYEING.
Inventors
- 👤 William Wilson Cuthbertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:35
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/673; D06P1/67383; D06P1/60; D06P1/613; Y; Y10; Y10S; Y10S8/00; Y10S8/01
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) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |