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Microbiological production of biologically active 8,8'-bi-1h-naphtho[2,3-c]Pyrans and products

  • US 3,892,848 A
  • Filed: 01/31/1974
  • Issued: 07/01/1975
  • Est. Priority Date: 01/31/1974
  • Status: Expired due to Term
First Claim
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1. A PROCESS FOR PRODUCING AN ANTI-MICROBIAL PRODUCT COMPRISING GROWING SPICARIA DIVARICATA NRRL 5771 IN AN AQUEOUS NUTRIENT MEDIUM, EXTRACTING SAID AQUEOUS NUTRIENT MEDIUM CONTAINING SPICARIA DIVARICATA NRRL 5771 WITH ORGANIC SOLVENT TO PROVIDE ORGANIC SOLVENT EXTRACTS, SEPARATING SAID ORGANIC SOLVENT EXTRACTS FROM SAID AQUEOUS NUTRIENT MEDIUM CONTAINING SPICARIA DIVARICATA NRRL5771, AND EVAPORATING THE ORGANIC SOLVENT.

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