Sheeted products formed from reticulated microbial cellulose

Details Sheeted products formed from reticulated microbial cellulose Sheeted products formed from reticulated microbial cellulose

1988-05-19

1989-09-05

Cannon, James C.

Paper making and fiber liberation

Processes and products

Undigested cellulosic fiber

428369, 428393, 428913, 435101, 435823, 514781, 604289, 604304, 604308, 604374, 1621576, A61F 1300, A61L 1500, C12P 1904, D21H 514

Patent

active

048635650

ABSTRACT:
A method and media for producing bacterial cellulose under agitated culture conditions resulting in sustained production over an average of 70 hours of at least 0.1 g/liter per hour are achieved. A unique reticulated cellulose product is produced using the methods and conditions claimed, and may be in the form of a sheet characterized by substantial resistance to densification and great tensile strength when produced by sheet forming means.
Strains of Acetobacter that are stable under agitated culture conditions and that exhibit substantially reduced gluconic and keto-gluconic acids production are described.

REFERENCES:
patent: 4320198 (1982-03-01), Mynatt et al.
patent: 4378431 (1983-03-01), Brown et al.
patent: 4588400 (1986-05-01), Ring et al.
patent: 4655758 (1987-04-01), Ring et al.
S. Hestrin, M. Aschner and J. Mager, "Synthesis of Cellulose Resting Cells of Acetobacter xylinum", Nature, vol. 159, pp. 64-65, (1947).
S. Hestrin and M. Schramm, "Synthesis of Celluloe by Acetobactor xylinum", vol. 58, pp. 345-352 (1954), Biochem. J.
Deley et al., in Bergey's Manual of Systematic Bacteriology, Kreig and Holt, eds., 1st Ed., Williams and Wilkins, Baltimore and London, pp. 267-278 (1984).
Leisinger et al., Arch. Mikrobiol. 54:21-36 (1966).
Svein Valla and Johs. Kjosbakken, "Cellulose-Negative Mutants of Acetobacter xylinum", J. Gen. Microbiol., vol. 128, pp. 1401-1408 (1982).
R. O. Couso, L. Ielpi et al., "Biosynthesis of Polysaccharides in Acetobacter xylinum", Eur. J. Biochem., vol. 123, pp. 617-627 (1982).
VanderHart et al. Science 223:285-286 (1984).
VanderHart et al., Macromolecules 17:1465-1472 (1984).
M. Schramm and S. Hestrin, "Factors Affecting Production of Cellulose at the Air/Liquid Interface of a Culture of Acetobactor xylinum", J. Gen. Microbiol., vol. 11, pp. 123-129 (1954).
W. F. Dudman, "Cellulose Production by Acetobacter acetigenum and other Acetobacter spp.", J. Gen. Microbiol., vol. 21, pp. 312-326 (1959).
W. F. Dudman, "Cellulose Production by Acetobacter Strains in Submerged Culture", J. Gen. Microbiol., vol. 22, pp. 25-39 (1960).
J. Ross Colvin, "The Formulation of Spherulites in Pellicles of Bacterial Cellulose", Canadian J. of Microbiol., vol. II, pp. 641-643 (1965).
Asai, Acetic Acid Bacteria, Chapter 17, pp. 232-244 (1968), "Biosynthesis of Cellulose and Other Polysaccarides".
Haigh, Biochem. J., 135:145-149 (1973), "Induction of Orientation of Bacterial Cellulose Microfibrils by a Novel Terpenoid from Acetobacter xylinum".
R. Malcolm Brown, Jr., "Biogenesis of Natural Polymer Systems with Special Reference to Cellulose Assembly and Deposition", Structure and Biochemistry of Natural Biological Systems, E. M. Walk (ed.), (Philip Morris Co., N.Y.) (1979).
K. E. Cook and J. R. Colvin, "Evidence for a Beneficial Influence of Cellulose Production on Growth of Acetobacter xylinum in Liquid Medium", Current Microbiology, vol. 3, pp. 203-205 (1980).
Y. Aloni and M. Benziman, "Intermediates of Cellulose Synthesis in Acetobacter", R. M Brown (ed.), Cellulose and Other Natural Polymer Systems: Biogenesis Structure and Degradation, pp. 341-361 (1982).
Brown, Science, 218:1141-1142 (10 Dec. 1982), "Experimental Induction of Altered Nonmicrofibrillar Cellulose".
Kai et al., "Appearance of Microscopic Fibrils in Cellulose Gel Biosynthesized by Acetobacter xylinum", Nippon Kagaku Kaishi (3), pp. 536-537 (1982).
Kai et al., "Study of the Formation of Bacterial Cellulose Microfibrils, 2, Fibril Formation in Cellulose Gels Synthesized by Acetobacter xylinum", Nippon Kagaku (8), pp. 1394-1399 (1982).
Kai, Bull, Chem. Soc. Jpn., 57:2816-2819, (1984), "The Influence of Culture Conditions on the Fibrillation of Cellulose by Acetobacter xylinum".
C & EN, p. 40, (Sep. 23, 1985) "Studies Shed More Light on Cellulose Strucdture".
The Japan Times, p. 6, (May 18, 1987) entitled "Ajinomoto Co. Makes New Fiber".
Anderson et al., Abstract, SIM Annual Metting, Aug. 3, 1985.

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