USRE31664EExpiredUtility

Polysaccharide obtained from Pseudomonas stutzeri

17
Priority: Jan 19, 1916Filed: Sep 4, 1980Granted: Sep 4, 1984
Est. expiryJan 19, 1936(expired)· nominal 20-yr term from priority
C12P 19/04C08B 37/00
17
PatentIndex Score
5
Cited by
2
References
1
Claims

Abstract

Polysaccharides forming gels are produced by cultivating .[.a.]. microorganism .[.such as Arthrobachter carbazolum.]. .Iadd.strain .Iaddend.FERM 2574 .Iadd.(ATCC-31258) .Iaddend.in a suitable medium.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. Polysaccharide having a gel forming property which is characterized by the following properties: (1) comprising (a) glucose, (b) mannose, (c) dihydrostreptose and (d) 3-O-(1'-carboxyethyl)-L-rhamnose, the molar ratio of said constituents being (a):(b):(c):(d)=10:10:1-3:3-8; and (2) containing an O-acetyl group in an amount of from 8 to 14 weight percent calculated as acetic acid.

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