US2950209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermofluid vehicles
Assignee: EIDP Inc
•
Filing: 1958-04-02
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Granted: 1960-08-23
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Expires: 1978-04-02
Abstract
No abstract record available.
Inventors
- 👤 Lewis C Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:43
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/50; C04B41/5022; C23; C23D; C23D5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A THERMOFLUID VEHICLE FOR VITREOUS ENAMEL COLORS, SELF-SMOOTHING AND NON-RUNNING AT ENAMEL FUSING TEMPERATURES CONSISTING ESSENTIALLY OF (A) 20 TO 50% BY WEIGHT OF A SUBSTANCE TAKEN FROM THE GROUP CONSISTING OF POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 6,000 TO 7,500, POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 3,000 TO 7,000 AND POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 1,300 TO 1,600 IN COMBINATION WITH POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 15,000 TO 20,000, (B) 45% TO 75% BY WEIGHT OF A SATURATED MONOHYDROXY ALCOHOL HAVING 12 TO 18 CARBON ATOMS AND (C) 1% TO 10% OF A SULFUR-CONTAINING ANIONIC SURFACE ACTIVE AGENT TAKEN FROM THE GROUP CONSISTING OF SODIUM-N-HEXADECANOYL-N-CYCLOHEXYL TAURATE, N-OCTADECYL TETRASODIUM 1,2 DICARBOXYETHYL SULFOSUCCINAMATE, SODIUM ALKYL NAPHTHALENE SULFONATE, OCTYL ALCOHOL, SODIUM SULFATE, SODIUM PETROLEUM SULFONATE (MOLECULAR WEIGHT 500), BUTYL NAPHTHALENE SODIUM SULFONATE, SODIUM HEPTADECYL SULFATE, SODIUM 2-ETHYL HEXYL SULFATE, AMMONIUM SULFATE OF CETYLSTEARYL ALCOHOL.
Claim 2
Dependent Claim
156 words
A THERMOFLUID VEHICLE FOR VITREOUS ENAMEL COLORS, SELF-SMOOTHING AND NON-RUNNING AT ENAMEL FUSING TEMPERATURES CONSISTING ESSENTIALLY OF (A) 20 TO 50% BY WEIGHT OF A SUBSTANCE TAKEN FROM THE GROUP CONSISTING OF POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 6,000 TO 7,500, POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 3,000 TO 7,000 AND POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 1,300 TO 1,600 IN COMBINATION WITH POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 15,000 TO 20,000, (B) 45% TO 75% BY WEIGHT OF A SATURATED MONOHYDROXY ALCOHOL HAVING 12 TO 18 CARBON ATOMS AND (C) 1% TO 10% OF A SULFUR-CONTAINING ANIONIC SURFACE ACTIVE AGENT TAKEN FROM THE GROUP CONSISTING OF SODIUM-N-HEXADECANOYL-N-CYCLOHEXYL TAURATE, N-OCTADECYL TETRASODIUM 1,2 DICARBOXYETHYL SULFOSUCCINAMATE, SODIUM ALKYL NAPHTHALENE SULFONATE, OCTYL ALCOHOL, SODIUM SULFATE, SODIUM PETROLEUM SULFONATE (MOLECULAR WEIGHT 500), BUTYL NAPHTHALENE SODIUM SULFONATE, SODIUM HEPTADECYL SULFATE, SODIUM 2-ETHYL HEXYL SULFATE, AMMONIUM SULFATE OF CETYLSTEARYL ALCOHOL.
References Cited (Backward Citations)
GB552719A
Cited
US2190210A
Cited
US2321270A
Cited
US2561010A
Cited
GB669987A
Cited
US2607701A
Cited
US2617740A
Cited
US2607702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |