US PATENT SUBCLASS 208 / 404
.~ Using molten additive, e.g., heat carrier, etc.
Current as of:
June, 1999
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208 /
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MINERAL OILS: PROCESSES AND PRODUCTS
400
DF
BY TREATMENT OF SOLID MINERAL, E.G., COAL LIQUEFACTION, ETC.
{13}
404
.~ Using molten additive, e.g., heat carrier, etc. {1}
405
DF
.~.~
> Molten catalyst {1}
DEFINITION
Classification: 208/404
Using molten additive, e.g., heat carrier, etc.:
(under subclass 400) Subject matter having a step wherein a heated liquid material is added to a feedstock, an intermediate or a product of the process, which material is a solid at normal temperature and pressure.