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Class Information
Number: 260/998.12
Name: Chemistry of carbon compounds > Ablative
Description: Product under Class 520 ... intended to be used in heat shields of the type which function by a controlled decomposition of the front surface to keep heat from the back surface. Some patents in this subclass are related to compositions useful in re-entry heat shields for space vehicles.










Patents under this class:

Patent Number Title Of Patent Date Issued
4978460 Aqueous swollen macromolecule-containing system as water for firefighting Dec. 18, 1990
4468251 Gold containing preparation for coating metallic parts (II) Aug. 28, 1984











 
 
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