Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
C01D 5/04

Preparation of sulfates with the aid of sulfurous acid or sulfites, e.g. Hargreaves process

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Sulfates or sulfites of sodium, potassium, or alkali metals in general > Preparation of sulfates with the aid of sulfurous acid or sulfites, e.g. Hargreaves process

CPC:

Sulfates or sulfites of sodium, potassium or alkali metals in general > Preparation of sulfates with the aid of sulfurous acid or sulfites, e.g. Hargreaves process

No child classifications to compare. This is a leaf node in both IPC and CPC.