US PATENT SUBCLASS 435 / 408
.~.~ Contains an animal extract

Current as of: June, 1999
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435 /   HD   CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

325  DF  ANIMAL CELL, PER SE (E.G., CELL LINES, ETC.); COMPOSITION THEREOF; PROCESS OF PROPAGATING, MAINTAINING OR PRESERVING AN ANIMAL CELL OR COMPOSITION THEREOF; PROCESS OF ISOLATING OR SEPARATING AN ANIMAL CELL OR COMPOSITION THEREOF; PROCESS OF PREPARING A COMPOSITION CONTAINING AN ANIMAL CELL; CULTURE MEDIA THEREFORE {17}
404  DF  .~ Culture medium, per se {3}
408.~.~ Contains an animal extract

DEFINITION

Classification: 435/408

Contains an animal extract:

(under subclass 404) Subject matter wherein the culture medium contains an animal extract.

(1) Note. Animal extracts include compositions derived from whole animals as well as animal cells, tissues and organs. Methods employing highly purified factors; e.g., colony stimulating factors, are classified in this class, subclasses 384 through 389. Media already containing other viable intact cells or intact cellular material would be classified based upon said cells or cellular material, this class, subclasses 326+.