US PATENT SUBCLASS 530 / 427
.~.~ Physical treatment

Current as of: June, 1999
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530 /   HD   CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF

350  DF  PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES {14}
412  DF  .~ Separation or purification {6}
427.~.~ Physical treatment

DEFINITION

Classification: 530/427

Physical treatment:

(under subclass 412) Processes in which a protein is separated or purified by a physical treatment.

(1) Note. This subclass would provide for separation by ultrasonic treatment of flotation techniques.