US2979482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organopolysiloxanes stabilized with ferrocene and ferrocene derivatives
Assignee: Dow Silicones Corp
•
Filing: 1956-10-15
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Granted: 1961-04-11
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Expires: 1976-10-15
Abstract
No abstract record available.
Inventors
- 👤 William A Piccoli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:46
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; Y; Y10; Y10S; Y10S521/00; Y10S521/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A STABILIZED ORGANOPOLYSILOXANE COMPOSITION COMPRISING AN ORGANOPOLYSILOXANE COMPRISED OF UNITS OF THE FORMULA
Claim 2
Dependent Claim
13 words
A STABILIZED ORGANOPOLYSILOXANE COMPOSITION COMPRISING AN ORGANOPOLYSILOXANE COMPRISED OF UNITS OF THE FORMULA
References Cited (Backward Citations)
US2680756A
Cited
US2759904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |