Endothermic heat shield composition and method for the...

Compositions – Heat or sound insulating

Reexamination Certificate

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C252S606000, C252S607000, C252S609000, C252S37800R, C106S018220, C106S018130, C106S018230, C106S211100, C106S213100, C523S179000, C428S920000, C428S921000

Reexamination Certificate

active

06960308

ABSTRACT:
A method for preparing an endothermic heat shield composition, which comprises at least 50 wt/wt % hydrated salt and at least one filler material, the method comprising the steps of:a) heating the hydrated salt to a temperature at which it liquifies;b) adding and mixing at least one filler material into a); and cooling the mixture to form a composition wherein the hydrated salt particles are fused to each other, with the proviso that said at least one filler material is a mixture of organic and inorganic materials.

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