US2924587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyisocyanate-hydroxy aliphatic hydrocarbon substituted siloxane coating composition
Assignee: Dow Silicones Corp
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Filing: 1955-03-07
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Granted: 1960-02-09
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Expires: 1975-03-07
Abstract
No abstract record available.
Inventors
- 👤 Leonard M Shorr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:24
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/395; C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/61; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/6436; Y; Y10; Y10S; Y10S528/00; Y10S528/901; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31591; Y10T428/31598; Y10T428/31652; Y10T428/31663; Y10T442/00; Y10T442/20; Y10T442/2164; Y10T442/218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A METHOD OF RENDERING AN ORGANIC FIBROUS MATERIAL WATER REPELLENT WHICH COMPRISES APPLYING TO THE FIBROUS MATERIAL A SOLUTION IN AN INERT ORGANIC SOLVENT OF A COMPOSITION COMPRISING (1) A COPOLYMER CONSISTING ESSENTIALLY OF FROM 1 TO 50 MOL PERCENT SILOXANE UNITS OF THE FORMULA
Claim 2
Independent Claim
45 words
A METHOD OF RENDERING AN ORGANIC FIBROUS MATERIAL WATER REPELLENT WHICH COMPRISES APPLYING TO THE FIBROUS MATERIAL A SOLUTION IN AN INERT ORGANIC SOLVENT OF A COMPOSITION COMPRISING (1) A COPOLYMER CONSISTING ESSENTIALLY OF FROM 1 TO 50 MOL PERCENT SILOXANE UNITS OF THE FORMULA
References Cited (Backward Citations)
US2550205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |