C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/64
C01B 25/40 (2006.01)
Patent
CA 1112841
Title: MANUFACTURE OF WATER-INSOLUBLE AMMONIUM POLYPHOSPHATE ABSTRACT Preparation of crystalline water- insoluble ammonium polyphosphate through processing a melt of urea and phosphoric acid or alternatively processing solid urea phosphate. Contact between the exiting product and recycled gaseous by-products ensures proper pH.
318105
Corver Hans A.
Robertson Allan J.
Cyanamid Canada Inc.
Smart & Biggar
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