US3249550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass cleaning compositions
Assignee: Dow Silicones Corp
•
Filing: 1964-05-27
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Granted: 1966-05-03
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Expires: 1984-05-27
Abstract
No abstract record available.
Inventors
- 👤 Norman T Metters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:14
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3703; C11D3/373; C11D3/3738; C03; C03C; C03C17/00; C03C17/28; C03C17/30; C03C23/00; C03C23/0075; C09; C09K; C09K3/00; C09K3/18; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/146; C11D3/0005; C11D3/0078; C11D3/162; C11D3/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A COMPOSITION OF MATTER SUITABLE FOR CLEANING OF GLASS AND FOR PROVIDING ANTI-FOGGING PROPERTIES ON GLASS CONSISTING OF FROM .3 TO 5 PERCENT BY WEIGHT OF A WATER SOLUBLE SALT OF AN ALKYL SULFATE HAVING FROM 10 TO 16 INCLUSIVE CARBON ATOMS, FROM 1 TO 5 PERCENT BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE MONOMETHYL AND MONOETHYL ETHERS OF DIETHYLENE AND DIPROPYLENE GLYCOLS, FROM 5 TO 15 PERCENT BY WEIGHT ISOPROPANOL, FROM 93.7 TO 75 PERCENT BY WEIGHT WATER AND FROM 0.001 TO 2 WEIGHT PERCENT OF A SILICONE GLYCOL OF THE GENERAL FORMULA SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
105 words
A COMPOSITION OF MATTER SUITABLE FOR CLEANING OF GLASS AND FOR PROVIDING ANTI-FOGGING PROPERTIES ON GLASS CONSISTING OF FROM .3 TO 5 PERCENT BY WEIGHT OF A WATER SOLUBLE SALT OF AN ALKYL SULFATE HAVING FROM 10 TO 16 INCLUSIVE CARBON ATOMS, FROM 1 TO 5 PERCENT BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE MONOMETHYL AND MONOETHYL ETHERS OF DIETHYLENE AND DIPROPYLENE GLYCOLS, FROM 5 TO 15 PERCENT BY WEIGHT ISOPROPANOL, FROM 93.7 TO 75 PERCENT BY WEIGHT WATER AND FROM 0.001 TO 2 WEIGHT PERCENT OF A SILICONE GLYCOL OF THE GENERAL FORMULA SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
US1968797A
Cited
US2292097A
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US2353978A
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |