U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Production of a cellulose-synthetic polymer composite fiber

Patent 4378431 Issued on March 29, 1983. Estimated Expiration Date: Icon_subject September 2, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3450555

3916447

Fiber production from continuous cultivation of micro-organisms Patent #: 4320198
Issued on: 03/16/1982
Inventor: Mynatt

Inventor

Assignee

Application

No. 06/183310 filed on 09/02/1980

US Classes:

435/101, Polysaccharide of more than five saccharide radicals attached to each other by glycosidic bonds428/478.4, Next to cellulosic428/479.3, Next to cellulosic435/823, Acetobacter442/118Coating or impregnation is water absorbency-increasing or hydrophilicity-increasing or hydrophilicity-imparting

Examiners

Primary: Kepplinger, Esther M.

Attorney, Agent or Firm

International Classes

C12P 19/04 (20060101)
C12P 19/00 (20060101)
D06M 16/00 (20060101)
D21H 25/02 (20060101)
D21H 25/00 (20060101)
D21H 13/00 (20060101)
D21H 13/26 (20060101)
D21H 21/22 (20060101)
D21H 21/28 (20060101)
D21H 21/14 (20060101)
D21H 13/24 (20060101)
D21H 13/02 (20060101)
D21H 21/18 (20060101)
D21H 13/14 (20060101)

Abstract

Hydrophilic characteristics are imparted to hydrophobic synthetic substrates, such as polyester fibers, by incubating a culture medium with Acetobacter bacterium in the presence of the substrate.

Other References

  • Ohfuka et al., Chemical Abstracts, 77:153739n, p. 85, (1972)
  • Correns et al., Chemical Abstracts, 78:45330j, p. 96, (1973)
  • Fujishige et al., Chemical Abstracts, 86:91715b, p. 112, (1977)
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