Depilatory composition and process for making
Abstract
Abstract A DEPILATORY CREAM IS PROVIDED WHICH IS USED AT ROOM TEMPERATURE BY SPREADING THE SAME OVER THE SURFACE FROM WHICH THE HAIR IS TO BE REMOVED PRESSING A CLOTH INTO THE LAYER, AND THEN STRIPPING THE CLOTH AWAY, THE DEPILATORY COMPOSITION IS COMPRISED OF A WATER SOLUBLE OR EMULSIFIABLE SOLVENT WHICH IS FLUID AT ROMM TEMPERATURE AND WHICH COMPRISES AT LEAST ONE OF THE FOLLOWING MATERIALS: (1) A POLYOL WHICH IS TRIBASIC OR HIGHER, I.E. A POLYHYDRIC ALCOHOL HAVING AT LEAST THREE REPLACEABLE HYDROGEN ATOMS, (2) A DERIVATIVE OF SUCH A TRIBASIC OR HIGHER POLYOL OR (3) A POLYMER OF UP TO 10 MONOMERIC UNITS OF SUCH A TRIBASIC OR HIGHER POLYOL. THERE IS DISSOLVED IN THE SOLVENT AN EFFECTIVE AMOUNT OF A SOLUTE COMPRISING A WATER-SOLUBLE OR EMULSIFIABLE CARBOHYDRATE WHICH IS SOLUBLE IN THE SOLVENT WHEN HOT AND WHICH SUBSTANTIALLY REMAINS IN SOLUTION WHEN COLD. THE CREAM CAN BE PREPARED BY DISSOLVING THE SOLUTE IN THE HOT SOLVENT AND MAINTAINING THE SOLUTION HOT UNTIL THE VISCOSITY OF THE SOLUTION IS ESTABLISHED AT A DESIRED LEVEL. THIS CAN BE CONTROLLED BY THE WATER CONTENT OF THE SOLUTION. A PREFERRED EXAMPLE OF THE DEPILATORY CREAM IS A COMPOSITION COMPRISING GLYCEROL HAVING ABOUT 40-50% BY WEIGHT OF A COLD WATER-SOLUBLE DEXTRIN DISSOLVED THEREIN AND CONTAINING ABOUT 4 1/2-5% BY WEIGHT OF WATER.
Inventors
- 👤 Abraham Minton
Bibliographic Details
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |