Multiribbon microbial cellulose

Details Multiribbon microbial cellulose Multiribbon microbial cellulose

C - Chemistry, Metallurgy

12

P

195/140, 260/214

C12P 19/04 (2006.01) C08B 15/00 (2006.01) C12N 1/20 (2006.01) C12Q 1/24 (2006.01)

Patent

CA 1334178

The invention relates to the identification of and use of a biologically pure culture of a cellulose producing microorganism, preferably a prokaryote, which microorganism is capable, during fermentation of reversal of direction of cellulose ribbon extrusion which produces a cellulose ribbon-bundle having a width of at least two cellulose ribbons. The microorgainsm may be of the genus Acetobacter, Agrobacterium, Rhizobium, Pseudomonas or Alcaligenes. The invention includes a method for obtaining microbial cellulose having superior structural strength and being an apparent polymorph of cellulose I and cellulose II. The thus produced ribbons are stronger than the corresponding amount of single randomly dispersed cellulose ribbons.

571223

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