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Cytophaga-derived immunopotentiator

  • US 4,978,622 A
  • Filed: 09/01/1989
  • Issued: 12/18/1990
  • Est. Priority Date: 06/23/1986
  • Status: Expired due to Fees
First Claim
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1. Substantially pigment-free gliding bacteria adjuvant (GBA) of Cytophaga species GB-2 (ATCC Accession No. 53485), the GBA being an exopolymer polysaccharide having a spectral absorption at 455 nm of less than 0.05 in a 1% aqueous solution and containing less than about 0.5% by weight protein and less than about 0.1% by weight lipopolysaccharide.

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