US3344104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aldehyde and ketone heat-sensitive curable organosilicon compositions
Assignee: Dow Silicones Corp
•
Filing: 1963-03-25
•
Granted: 1967-09-26
•
Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Hyde James Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:47
CPC Classifications
C; C08; C08G; C08G77/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
61 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF (1) A HYDROXYL ENDBLOCKED ESSENTIALLY DIORGANOPOLYSILOXANE HAVING A VISCOSITY OF AT LEAST 25 CS. AT 25*C. WHEREIN THE ORGANIC RADICALS ATTACHED THERETO ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN ATOMS, MONOVALENT HYDROCARBON RADICALS, MONOVALENT HALOHYDROCARBON RADICALS AND CYANOALKYL RADICALS, (2) A SILICATE SELECTED FROM THE GROUP CONSISTING OF (A) SILANES OF THE FORMULA
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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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |