US2925402A
Expired / Lapsed
US
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Compositions and method for curing hydroxy hydrocarbonyl substituted siloxane resins
Assignee: Dow Silicones Corp
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Filing: 1955-02-14
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Granted: 1960-02-16
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Expires: 1975-02-14
Abstract
No abstract record available.
Inventors
- 👤 John L Speier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:16
CPC Classifications
C; C09; C09D; C09D183/00; C09D183/04; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/61; C08G77/00; C08G77/04; C08G77/14; C08G77/16; C08G77/42; C08G77/452; C08G77/458; C08L; C08L83/00; C08L83/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
34 words
A RESINOUS COATING COMPOSITION IN WHICH THE RESIN FORMING CONSTITUENT CONSISTS ESSENTIALLY OF A MIXTURE OF (1) A COMPLETELY CONDENSED COPOLYMERIC SILOXANE CONCONTAINING FROM 5 TO 75 MOL PERCENT SILOXANE UNITS OF THE FORMULA
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) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |