US3776977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of curing organic siloxane polymers and copolymers
Assignee: Wacker Chemical Corp
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Filing: 1971-06-18
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Granted: 1973-12-04
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Expires: 1991-06-18
Abstract
Abstract A CURABLE COMPOSITION IS DISCLOSED WHICH COMPRISES A HYDROXYLATED ORGANOPLYSILOXANE FLUID AND AN ORGANIC POLYMER HAVING ONE OR MORE SILYL GROUPS CONNECTED THERETO. EACH SILYL GROUP CONTAINS ONE OR MORE GROUPS CAPABLE OF REACTING WITH THE HYDROXYL GROUPS OF THE ORGANOPOLYSILOXANE.
Inventors
- 👤 R Chadha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:31
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/30; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/16; C08G77/20; C08G77/22; C08G77/24; C08G77/26; C08G77/60; C08G77/70
Claims Analysis
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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) | 1976-12-03 | 1977-06-04 | 1977-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-03 | 1981-06-04 | 1981-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-03 | 1985-06-04 | 1985-12-04 | $7700.00 | Window Closed / Lapsed |