Ice-preventive and deicing oil-in-water emulsion
Abstract
Abstract AN ICE-PREVENTIVE AND DEICING MATERIAL FOR APPLICATION TO METALLIC OBJECTS, SUCH AS RAILWAY SWITCHES AND THE LIKE, WHICH IS IN THE FORM OF A VISCOUS, STABLE, OIL-IN-WATER EMULSION, COMPRISING, ABOUT 5% TO 30% OF TH LUBRICANT OIL OR GREASE, WHICH IS SUBSTANTIALLY INSOLUBLE IN WATER, AS THE DISPERSE PHASE; ABOUT 2 TO 20* OF A CATIONIC OR NON-IONIC SURFACE ACTIVE AGENT AS AN EMULSIFYING AGENT; AND THE BALANCE AN AQUEOUS SOLUTION, AS THE CONTINOUS PHASE, CONTAINING ABOUT 2 TO 5% OF THE TOTAL COMPOSITION OF A WATER-ABSORBING, VISCOSITY-MAINTAINING COMPOUND AND A SUFFICIENT AMOUNT OF A FREEZING POINT DEPRESSANT FOR WATER TO LOWER THE FREEZING POINT OF THE WATER WITH WHICH THE COMPOSITION COMES INTO CONTACT AND THEREBY PREVENT THE FORMATION OF ICE ON THE PROTECTED OBJECT OR REMOVE ICE FROM THE PROTECTED OBJECT, PROVIDE LUBRICATION OF PARTS WHERE REQUIRED AND PREVENT ADHESION OF PARTS AS NEEDED.
Inventors
- 👤 D Ayres
- 👤 D Greenwood
Bibliographic Details
Claims Analysis
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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) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |