US PATENT SUBCLASS 203 / 48-- .~.~ By crystallizing

US PATENT SUBCLASS 203 / 48
.~.~ By crystallizing

Current as of: June, 1999
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203 /	HD	DISTILLATION: PROCESSES, SEPARATORY

39	DF	WITH DISPARATE PHYSICAL SEPARATION {5}
47	DF	.~ Utilizing removing solid from liquid {1}
48		.~.~ By crystallizing

DEFINITION

Classification: 203/48

(under subclass 47) Processes directed to crystallizing a component from a product of the distillation step.

(1) Note. The fact that the solid material is crystalline must be stated in the claim.

SEE OR SEARCH CLASS

23, Chemistry: Physical Processes,

295+, for a process including crystallization and under subclass 295, see "SEARCH CLASS" for related crystallization processes.

127, Sugar, Starch, and Carbohydrates, 58+, for a process of crystallizing sugar from a solution.

260, Chemistry of Carbon Compounds,

707, for a process of physically treating an organic compound which includes the step of crystallizing.

585, Chemistry of Hydrocarbon Compounds,

812+, for a hydrocarbon separation or purification process which includes chilling to form a solid.