US3629309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosilicon compounds and processes for producing the same
Assignee: Union Carbide Corp
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Filing: 1969-11-13
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Granted: 1971-12-21
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Expires: 1989-11-13
Abstract
Abstract HOMOPOLYMERS OF THE FORMULA X-CO-CH2-CH2-SI(-R'')-(O)((3-B)/2) AND COPOLYMERS CONTAINING THE ADDITIONAL UNIT (R")D-SI-O(4-D)/2 USEFUL TO COMBINE WITH ALKYL RESINS TO MAKE HEAT RESISTANT COATINGS FOR GLASS CLOTH, ALUMINUM AND SHEET STEEL, WHERE X IS CL, ZHN, OR MO; Z IS R'', NH2 SUBSTITUTED MONOVALENT HYDROCARBON, OR COOH SUBSTITUTED MONOVALENT HYDROCARBON; M IS ALKALI METAL, AND R'' IS MONOVALENT HYDROCARBON RADICAL, ARE DISCLOSED.
Inventors
- 👤 Donald L Bailey
- 👤 Victor B Jex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:35
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C08G77/382; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C08G77/22
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) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |