US3050411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Release coatings comprising the reaction product of 0.1-5 percent methyl-hydrogenpolysiloxane and 95-99.9 percent perfluoroalkylsiloxane
Assignee: Dow Silicones Corp
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Filing: 1959-09-16
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Granted: 1962-08-21
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Expires: 1979-09-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Keil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:49
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/24; D21H19/32; C; C08; C08L; C08L83/00; C08L83/04; C08L83/08; C08G; C08G77/00; C08G77/04; C08G77/12; C08G77/22; C08G77/24; D21H27/00; D21H27/001; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2839; Y10T428/2852; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
AN ARTICLE OF MANUFACTURE COMPRISING A SOLID MATERIAL COATED WITH AT LEAST 0.1 PERCENT BY WEIGHT OF A SILOXANE COATING PREPARED BY CURING A MIXTURE CONSISTING ESSENTIALLY OF (1) FROM 0.1 TO LESS THAN 5 PERCENT BY WEIGHT METHYLHYDROGENPOLYSILOXANE AND (2) FORM MORE THAN 75 TO 99.9 PERCENT BY WEIGHT OF A SILOXANE HAVING A VISCOSITY OF AT LEAST 5000CS. AT 25*C. AND CONSISTING OF AT LEAST 90 MOL PERCENT 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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |