Patent ID: 11866560
Assignee: UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE AIR FORCE
Field: Chemical engineering (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 5:
6. The process according to claim 5, wherein said processing comprises:
a) combining:
(i) a first solution comprising a material selected from the group consisting of a multifunctional phenol; and a base selected from the group consisting of an organic base, an inorganic base and mixtures thereof; and
(ii) a second solution comprising a cyanogen chloride and/or cyanogen bromide;

b) combining
(i) a first solution comprising a multifunctional phenol, a cyanogen chloride and/or cyanogen bromide, acetonitrile and an optional aprotic co-solvent; and
(ii) a base selected from the group consisting of an organic base, an inorganic base and mixtures thereof with the proviso that when said base is a solid base, said solid base is dissolved in a liquid prior to combining said solid base with said first solution; or

c) simultaneously combining a first solution comprising multifunctional phenol, acetonitrile and an optional aprotic co-solvent; a second solution comprising a cyanogen chloride and/or cyanogen bromide, and an aprotic solvent; and a third solution comprising a base selected from the group consisting of an organic base, an inorganic base and mixtures thereof with the proviso that when said base is a solid base, said solid base is dissolved in a liquid prior to combining said solid base with said first solution, and an optional aprotic solvent.