C22B11/028 - CPC Classification Index

ClassID:

119322 ⎘

C22B11/028 - CPC Classification

Classification description:

Obtaining noble metals by dry processes; Recovery of noble metals from waste materials from spent catalysts using solid sorbents, e.g. getters or catchment gauzes

Recent Application in this class:

20260117340

2026-04-30

VOLATILE AND PRECIOUS METAL RECOVERY SYSTEM MADE OF STACKED SILVER-COMPRISING ELEMENTS

20200056260

2020-02-20

Extraction methods from refractory ores

20120076710

2012-03-29

Method and device for catchment of platinum group metals in a gas stream

20090274597

2009-11-05

Method and device for catchment of platinum group metals in a gas stream

20060084572

2006-04-20

Recovering catalyst and carrier by exfoliating overcoat layer on the surface of a catalyst layer