US PATENT SUBCLASS 530 / 305
.~.~ Isolation or purification

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

300  DF  PEPTIDES OF 3 TO 100 AMINO ACID RESIDUES {29}
303  DF  .~ Insulin; related peptides {2}
305.~.~ Isolation or purification

DEFINITION

Classification: 530/305

Isolation or purification:

(under subclass 303) Subject matter, in which preexisting insulin is isolated or separated.

(1) Note. Typically the processes of this subclass include solvent extraction of pancreatic tissue.

(2) Note. See subclass 344 for a guide to generic separation techniques.