C01B25/2208 - CPC Classification Index

ClassID:

84818 ⎘

C01B25/2208 - CPC Classification

Classification description:

Phosphorus; Compounds thereof; Oxyacids of phosphorus; Salts thereof; Phosphoric acid; Preparation by reacting phosphate-containing material with an acid, e.g. wet process with an acid or a mixture of acids other than sulfuric acid

Sub-classes:

C01B25/2212 » {with hydrochloric acid or hydrogen chloride in aqueous medium} 6
C01B25/2216 » {with nitric acid or nitrous vapours in aqueous medium} 0

Recent Application in this class:

20110200509

2011-08-18

Process for the production of high purity phosphoric acid