Back to results
US 5,691,171 AGranted
Method for production of indigo and indirubin dyes
AssigneeBoard of Trustees operating Michigan State University
InventorsPatrick J. Oriel, In Cheol Kim
Life of this patent
Estimating the term…
Abstract
A method for the production of indigo and indirubin dyes using a recombinant Escherichia coli containing a gene encoding a phenol hydroxylase from Bacillus stearothermophilus. The dyes are used for coloring cloth and the like.
Claims9
A process for preparation of indigo and indirubin dyes which comprises:
- growing a recombinant Escherichia coli containing a gene from Bacillus stearothermophilus encoding phenol hydroxylase in an aqueous growth medium so that indigo and indirubin are produced.
Dependencies are inferred from the claim text.