US3245912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield de-icing composition
Assignee: EIDP Inc
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Filing: 1961-08-28
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Granted: 1966-04-12
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Expires: 1981-08-28
Abstract
No abstract record available.
Inventors
- 👤 William G White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:22
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/18; C09K3/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A DE-ICING COMPOSITION, FOR FACILITATING THE REMOVAL OF ICE AND FROST FROM THE WINDSHIELD AND LIKE TRANSPARENT AREAS OF AN AUTOMOTIVE VEHICLE, CONSISTING ESSENTIALLY OF (A) A WATER-SOLUBLE PRIMARY ICE-MELTING COMPONENT CONSISTING ESSENTIALLY OF AT LEAST ONE C1 TO C3 SATURATED ALIPHATIC MONOHYDRIC ALCOHOL, THE COMPOSITION OF WHICH CONTAINS AT LEAST 50 PARTS OF ISOPROPANOL PER 100 PARTS THEREOF, (B) AN AUXILIARY WATER-SOLUBLE ICE-MELTING DIHYDRIC ALCOHOL COMPONENT, HAVING THE CHARACTERISTIC OF INHIBITING REICING, AND SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL, 1,2-PROPYLENE GLYCOL, DIPROPYLENE GLYCOL AND DIHYDRIC ETHERS OF THE GENERAL FORMULA
Claim 2
Dependent Claim
93 words
A DE-ICING COMPOSITION, FOR FACILITATING THE REMOVAL OF ICE AND FROST FROM THE WINDSHIELD AND LIKE TRANSPARENT AREAS OF AN AUTOMOTIVE VEHICLE, CONSISTING ESSENTIALLY OF (A) A WATER-SOLUBLE PRIMARY ICE-MELTING COMPONENT CONSISTING ESSENTIALLY OF AT LEAST ONE C1 TO C3 SATURATED ALIPHATIC MONOHYDRIC ALCOHOL, THE COMPOSITION OF WHICH CONTAINS AT LEAST 50 PARTS OF ISOPROPANOL PER 100 PARTS THEREOF, (B) AN AUXILIARY WATER-SOLUBLE ICE-MELTING DIHYDRIC ALCOHOL COMPONENT, HAVING THE CHARACTERISTIC OF INHIBITING REICING, AND SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL, 1,2-PROPYLENE GLYCOL, DIPROPYLENE GLYCOL AND DIHYDRIC ETHERS OF THE GENERAL 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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |