US3389102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of concentrated aqueous methylpolysiloxane emulsions containing zirconium salts
Assignee: Bayer AG
•
Filing: 1967-09-29
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Granted: 1968-06-18
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Expires: 1987-09-29
Abstract
No abstract record available.
Inventors
- 👤 Schnurrbusch Karl
- 👤 Noll Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:58
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; Y; Y10; Y10S; Y10S516/00; Y10S516/924; Y10S516/927; Y10S516/928; Y10S516/929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2313144A
Cited
US2798858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |