US PATENT SUBCLASS 585 / 263
.~ With temperature or concentration gradient in reactor or specified provision for heating, cooling, or reactor control

Current as of: June, 1999
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585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

250  DF  ADDING HYDROGEN TO UNSATURATED BOND OF HYDROCARBON, I.E., HYDROGENATION {10}
263.~ With temperature or concentration gradient in reactor or specified provision for heating, cooling, or reactor control

DEFINITION

Classification: 585/263

With temperature or concentration gradient in reactor or specified provision for heating, cooling, or reactor control:

(under subclass 250) Subject matter wherein the temperature or concentration of reactants or composition of a catalyst changes gradually from one point to another in a hydrogenation reactor, wherein procedures for heating or cooling the reactor, reactants, catalyst, etc., are specified, wherein a test or measurement is made, or wherein a synthesis condition is varied in response to a change in a diverse condition.