Patent US3692737A successfully refreshed from Google Patents.
US3692737A
Expired / Lapsed
US
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Stable polydiorganosiloxane gums
Assignee: Dow Silicones Corp
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Filing: 1971-02-01
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Granted: 1972-09-19
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Expires: 1991-02-01
Abstract
Abstract Polydiorganosiloxane gum is stabilized by the addition of fume titanium dioxide. The stabilized polydiorganosiloxane gums can be used to make silicone rubbers and adhesives.
Inventors
- 👤 Thomas L Laur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:20
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08G; C08G77/00; C08G77/04; C08G77/32; C08G77/34; C09; C09J; C09J183/00; C09J183/04; C08L; C08L2666/00; C08L2666/54
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
26 words
The mixture in accordance with claim 1 in which the fume titanium is present in an amount of from 0.5 to 1.5 inclusive parts by weight.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |