US3005266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of removing surface water from articles
Assignee: US Philips Corp
•
Filing: 1958-03-27
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Granted: 1961-10-24
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Expires: 1978-03-27
Abstract
No abstract record available.
Inventors
- 👤 Hendrikus Cornelis Nicolaas Sa
- 👤 Veenendaal Hendrikes Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:44
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A METHOD OF REMOVING WATER FROM THE SURFACE OF A WET ARTICLE COMPRISING IMMERISING SAID WET ARTICLE IN A WATER-REMOVING COMPOSITION CONSISTING ESSENTIALLY OF A HYDROCARBON HAVING A BOILING POINT RANGE BETWEEN ABOUT 50* C. AND 370*C. AND A WETTING AGENT IN AN AMOUNT OF FROM ABOUT 0.1% TO 8% BY WEIGHT, SAID WETTING AGENT BEING A WATER-INSOLUBLE SALT OF A NITROGEN BASE SELECTED FROM THE GROUP CONSISTING OF TRIETHYLALKYL-AMMONIUM BASES, TRIMETHYLALKYL-AMMONIUM BASES, AND THE N-ALKYLPYRIDINE BASES AND THE CORRESPONDING ALKENYL DERIVATIVES IN WHICH THE ALKYL AND ALKENYL GROUP ARE STRAGIAHT CHAIN RADICALS CONTAINING FROM 12 TO 18 CARBON ATOMS AND AN ANION SELECTED FROM THE GROUP CONSISTING OF THE POLYPHOSPHATES, HEXAMETAPHOSPHATES, TETAOXALATES, BICHROMATES AND PERSULPHATES, SAID WETTING AGENT BEING SOLUBLE IN A HYDROCARBON-BUTANOL MIXTURE HAVING A RATIO OF 9:1 TO THEREBY FORM A SEPARATE WATER LAYER AND DRAWING OFF SAID WATER LAYER.
Claim 2
Independent Claim
143 words
A METHOD OF REMOVING WATER FROM THE SURFACE OF A WET ARTICLE COMPRISING IMMERISING SAID WET ARTICLE IN A WATER-REMOVING COMPOSITION CONSISTING ESSENTIALLY OF A HYDROCARBON HAVING A BOILING POINT RANGE BETWEEN ABOUT 50* C. AND 370*C. AND A WETTING AGENT IN AN AMOUNT OF FROM ABOUT 0.1% TO 8% BY WEIGHT, SAID WETTING AGENT BEING A WATER-INSOLUBLE SALT OF A NITROGEN BASE SELECTED FROM THE GROUP CONSISTING OF TRIETHYLALKYL-AMMONIUM BASES, TRIMETHYLALKYL-AMMONIUM BASES, AND THE N-ALKYLPYRIDINE BASES AND THE CORRESPONDING ALKENYL DERIVATIVES IN WHICH THE ALKYL AND ALKENYL GROUP ARE STRAGIAHT CHAIN RADICALS CONTAINING FROM 12 TO 18 CARBON ATOMS AND AN ANION SELECTED FROM THE GROUP CONSISTING OF THE POLYPHOSPHATES, HEXAMETAPHOSPHATES, TETAOXALATES, BICHROMATES AND PERSULPHATES, SAID WETTING AGENT BEING SOLUBLE IN A HYDROCARBON-BUTANOL MIXTURE HAVING A RATIO OF 9:1 TO THEREBY FORM A SEPARATE WATER LAYER AND DRAWING OFF SAID WATER LAYER.
References Cited (Backward Citations)
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US2165356A
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US2137404A
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US2236445A
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US2295912A
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US2717224A
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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) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |