~r. J. J. R. Macleod. April 3rd. 1923.
the precipitation of the aqueous solution by adjusting the PH value
of the hydrogen ion concentration to the isolectric point of any
solution, they are including in the patent application, not only Walden's
method but also that of Collip and Best.
In conclusion it might be stated that in all probability an
interference will be declared between the application filed by Banting,
Best and Collip and that filed by Walden.
(Copy to Col. A. E. Gooderham and copy to Dr. D. Defries.)