Patent US3816494A successfully refreshed from Google Patents.
US3816494A
Expired / Lapsed
US
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Amino-functional silicone compounds
Assignee: Individual
•
Filing: 1973-01-18
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Granted: 1974-06-11
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Expires: 1993-01-18
Abstract
Abstract A NOVEL CLASS OF SILICONE COMPOUNDS OF THE FORMULA, (R1-O-)(3-A)-SI(-R)A-(CH(-R16))H-N<(-CH(-R12)-CH(-R13)-M- CH(-R15)-CH(-R14)-) WHEREIN R, R1, R16, R12, R13, R14 AND R15 ARE SELECTED FROM HYDROGEN AND HYDROCARBON RADICALS, WHILE M IS SELECTED FROM SULFONE AND KETONE GROUPS, H IS A WHOLE NUMBER THAT VARIES FROM 2 TO 20 AND A IS A WHOLE NUMBER THAT VARIES FROM 0 TO 2. THIS NOVEL CLASS OF COMPOUNDS ARE USEFUL AS FLOCCULENTS FOR COLLOIDAL ORGANIC MATTER, AS INGREDIENTS FOR DETERGENT RESISTANT POLISHES AND AS BONDING AGENTS FOR BONDING VARIOUS PLASTIC RESINS AND RUBBER TO GLASS FIBERS AND OTHER TYPES OF GLASS MATERIAL.
Inventors
- 👤 A Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:52
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/52; C02F1/54; C02F1/545; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/08
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) | 1977-06-10 | 1977-12-10 | 1978-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-10 | 1981-12-10 | 1982-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-10 | 1985-12-10 | 1986-06-11 | $7700.00 | Window Closed / Lapsed |