US2575141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surfaces having low adhesion to ice
Assignee: General Electric Co
•
Filing: 1948-10-26
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Granted: 1951-11-13
•
Expires: 1968-10-26
Abstract
No abstract record available.
Inventors
- 👤 Smith-Johannsen Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:10
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/22; F25C2400/00; F25C2400/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
THE PROCESS OF LOWERING THE ADHESION OF ICE TO A SURFACE WHICH COMPRISES (1) TREATING THE SURFACE WITH A SILICON-CONTAINING COMPOSITION CONVERTIBLE BY MOISTURE TO A COMPOSITION CONTAINING A SILICON-BONDED OH GROUP AND SELECTED FROM THE CLASS CONSISTING OF ORGANOSILICATES, ALKALI-METAL SILICATES, CONDENSED SILICIC ACID, INORGANIC HALOGENODISILANES, ORGANOHALOGENODISILANES, AND MIXTURES THEREOF, AND EFFECTING HYDROLYSIS OF THE AFORESAID SILICON-CONTAINING COMPOSITION THEREBY TO PROVIDE A COATING THEREON CONTAINING SILICONBONDED OH GROUPS AND (2) APPLYING A PREFORMED POLYORGANOHALOGENOPOLYSILOXANE CONTAINING A TERMINAL SILICON-BONDED HALOGEN TO THE COATED SURFACE.
Claim 2
Dependent Claim
84 words
THE PROCESS OF LOWERING THE ADHESION OF ICE TO A SURFACE WHICH COMPRISES (1) TREATING THE SURFACE WITH A SILICON-CONTAINING COMPOSITION CONVERTIBLE BY MOISTURE TO A COMPOSITION CONTAINING A SILICON-BONDED OH GROUP AND SELECTED FROM THE CLASS CONSISTING OF ORGANOSILICATES, ALKALI-METAL SILICATES, CONDENSED SILICIC ACID, INORGANIC HALOGENODISILANES, ORGANOHALOGENODISILANES, AND MIXTURES THEREOF, AND EFFECTING HYDROLYSIS OF THE AFORESAID SILICON-CONTAINING COMPOSITION THEREBY TO PROVIDE A COATING THEREON CONTAINING SILICONBONDED OH GROUPS AND (2) APPLYING A PREFORMED POLYORGANOHALOGENOPOLYSILOXANE CONTAINING A TERMINAL SILICON-BONDED HALOGEN TO THE COATED SURFACE.
References Cited (Backward Citations)
US2306222A
Cited
US2412470A
Cited
US2436304A
Cited
US2418935A
Cited
US2405988A
Cited
US2438736A
Cited
US2471224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |