US3061565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicone elastomers heat stabilized with ferric hydroxide
Assignee: Dow Silicones Corp
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Filing: 1959-03-11
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Granted: 1962-10-30
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Expires: 1979-03-11
Abstract
No abstract record available.
Inventors
- 👤 William R Collings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:20
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A COMPOSITION OF MATTER COMPRISING AN ESSENTIALLY DIORGANOPOLYSILOXANE CONTAINING PER SILICON ATOM FROM 1.98 TO 2.10 ORGANIC RADICALS SELECTED FROM THE GROUP CONSISTING OF MONOVALENT HYDROCARBORADICALS, HALOGENATED MONOVALENT HYDROCARBON RADICALS AND CYANOALKYL RADICALS, A REINFORCING SILICA FILLER HAVING A SURFACE AREA GREATER THAN 50 SQUARE METERS PER GRAM AND FROM 0.001 TO 0.75 PART BY WEIGHT PER 100 PARTS BY WEIGHT OF THE DIORGANOPOLYSILOXANE OF IRON ADDED AS FERRIC HYDROXIDE.
Claim 2
Dependent Claim
70 words
A COMPOSITION OF MATTER COMPRISING AN ESSENTIALLY DIORGANOPOLYSILOXANE CONTAINING PER SILICON ATOM FROM 1.98 TO 2.10 ORGANIC RADICALS SELECTED FROM THE GROUP CONSISTING OF MONOVALENT HYDROCARBORADICALS, HALOGENATED MONOVALENT HYDROCARBON RADICALS AND CYANOALKYL RADICALS, A REINFORCING SILICA FILLER HAVING A SURFACE AREA GREATER THAN 50 SQUARE METERS PER GRAM AND FROM 0.001 TO 0.75 PART BY WEIGHT PER 100 PARTS BY WEIGHT OF THE DIORGANOPOLYSILOXANE OF IRON ADDED AS FERRIC HYDROXIDE.
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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |