US PATENT SUBCLASS 435 / 49
.~.~ Cephalosporin C

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

41  DF  MICRO-ORGANISM, TISSUE CELL CULTURE OR ENZYME USING PROCESS TO SYNTHESIZE A DESIRED CHEMICAL COMPOUND OR COMPOSITION {26}
47  DF  .~ Preparing compound having a 1-thia-5-aza-bicyclo (4.2.0) octane ring system (e.g., cephalosporin, etc.) {4}
49.~.~ Cephalosporin C

DEFINITION

Classification: 435/49

Cephalosporin C:

(under subclass 47) Processes wherein the product contains 7-(D-5-amino-5-carboxy valer-amido)-3-(hydroxy methyl)-8- oxo - 1 -thia-5-aza-bicyclo (4.2.0) -oct -3 -ene -3-carboxylic acid acetate, i.e. [figure]

(1) Note. For purposes of this subclass, derivatives include only metal and ammonium salts.