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other marketing solutions justia patents chemistry of hydrocarbon compounds patents (class ) chemistry of hydrocarbon compounds patents (class ) product blend, e.g., composition, etc., or blending process per se (class / ) with nonhydrocarbon additive (class / ) gaseous blend (class / ) fluent dielectric
(class / ) purification, separation, or recovery (class / ) by conversion of solid to gas, e.g., sublimation, etc., or by melting or squeezing out liquid from solid natural source (class / ) by plural serial diverse separations (class / ) by cooling of liquid to obtain solid, e.g., crystallization, etc...
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