US3554952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous dispersion of aminoalkyl silane-aldehyde reaction products
Assignee: Dow Silicones Corp
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Filing: 1969-01-21
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Granted: 1971-01-12
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Expires: 1989-01-21
Abstract
Abstract AMINOSILANES SUCH (CH3O)3SI(CH2)3NH(CH2)2NH2 ARE MIXED WITH ALDEHYDES SUCH AS FORMALDEHYDE TO GIVE WATERSOLUBLE REACTION PRODUCTS. THESE PRODUCTS ARE USEFUL AS BONDING AGENTS BETWEEN ORGANIC RESINS AND SILICEOUS AND OTHER SURFACES.
Inventors
- 👤 Edwin P Plueddemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:49
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/60; C03; C03C; C03C17/00; C03C17/28; C03C17/30; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C08G12/00; C08G12/02; C08G12/04; C08G12/06; C08G77/04; C08G77/22; C08G77/26; C08L; C08L63/00
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |