Method for entrapment of liquids in transformed waxes

Details Method for entrapment of liquids in transformed waxes Method for entrapment of liquids in transformed waxes

1993-05-11

1995-10-24

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Encapsulating normally liquid material

20415762, 264442, 4251742, 425803, B29C 3910, B29B 1308, B29K 9100

Patent

active

054607566

ABSTRACT:
The method and apparatus of this invention entraps liquids within wax and transforms naturally occurring or synthetic waxes into a state characterized by the fact that when the waxes solidify, they do so in forms different from those forms into which they would solidify except for the transformation. The entrapment and transformation is achieved by subjecting the waxes to force. As examples of apparatuses which can supply the force to effect the transformation, a piston apparatus and an ultrasonic apparatus are disclosed. The triglyceride waxes are one type of wax which may be transformed by the method and apparatus of this invention. Transformed triglyceride waxes are superior hosts for liquids entrapped within their matrix. The subject method is particularly effective for minimizing loss of liquids due to volatilization the entrapment process.

REFERENCES:
patent: 4288398 (1981-09-01), Lemelson
patent: 4324756 (1982-04-01), Kepes et al.
patent: 5209879 (1993-05-01), Redding, Jr.

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