US3137670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicone elastomers heat-stabilized with heavy metal oxides
Assignee: Dow Silicones Corp
•
Filing: 1959-02-11
•
Granted: 1964-06-16
•
Expires: 1979-02-11
Abstract
No abstract record available.
Inventors
- 👤 Remo R Mancri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:06
CPC Classifications
C; C09; C09D; C09D129/00; C09D129/14; C08; C08G; C08G77/00; C08G77/04; C08G77/12; C08G77/14; C08G77/16; C08G77/18; C08G77/20; C08G77/70; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08L; C08L83/00; C08L83/04; C08L2666/00; C08L2666/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A COMPOSITION OF MATTER COMPRISING AN ESSENTIALLY DIOGRANOPOLYSILOXANE IN WHICH THE ORGANIC RADICALS ARE SELECTED FROM THE GROUP CONSISTING OF MONOVALENT HYDROCARBON RADICALS AND MONOVALENT HALOHYDROCARBON RADICALS ATTACHED TO THE SILICON ATOM BY A SILICON CARBON LINKAGE THERE BEING AN AVERAGE OF FROM 1.98 TO 2.01 OF SAID ORGANIC RADICALS PER SILICON ATOM, A REINFORCING SILICA FILLER AND FROM .001 TO 8 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE DIORGANOPOLYSILOXANE OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF MANGANESE DIOXIDE, NICKELOUS HYDROXIDE, NICKELIC OXIDE, CHROMIC OXIDE, NIOBIC OXIDE, YTTRIUM OXIDE, YTTRIUM HYDROXIDE AND ZIRCONIUM HYDROXIDE.
Claim 2
Dependent Claim
99 words
A COMPOSITION OF MATTER COMPRISING AN ESSENTIALLY DIOGRANOPOLYSILOXANE IN WHICH THE ORGANIC RADICALS ARE SELECTED FROM THE GROUP CONSISTING OF MONOVALENT HYDROCARBON RADICALS AND MONOVALENT HALOHYDROCARBON RADICALS ATTACHED TO THE SILICON ATOM BY A SILICON CARBON LINKAGE THERE BEING AN AVERAGE OF FROM 1.98 TO 2.01 OF SAID ORGANIC RADICALS PER SILICON ATOM, A REINFORCING SILICA FILLER AND FROM .001 TO 8 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE DIORGANOPOLYSILOXANE OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF MANGANESE DIOXIDE, NICKELOUS HYDROXIDE, NICKELIC OXIDE, CHROMIC OXIDE, NIOBIC OXIDE, YTTRIUM OXIDE, YTTRIUM HYDROXIDE AND ZIRCONIUM HYDROXIDE.
References Cited (Backward Citations)
US2467853A
Cited
US2480620A
Cited
US2658882A
Cited
US2842516A
Cited
US2875098A
Cited
US2891033A
Cited
BE554767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |