D21C11/005 - CPC Classification Index

ClassID:

126433 ⎘

D21C11/005 - CPC Classification

Classification description:

Regeneration of pulp liquors or effluent waste waters; Fractionating or concentration of spent liquors by special methods Treatment of liquors with ion-exchangers

Recent Application in this class:

20220324894

2022-10-13

PROCESSES FOR EXTRACTING LIGNIN FROM BLACK LIQUOR

20210292858

2021-09-23

Methods for treating lignocellulosic materials

20170349958

2017-12-07

Methods for treating lignocellulosic materials

20170226694

2017-08-10

Detoxifying and recycling of washing solution used in pretreatment of lignocellulose-containing materials

20150141628

2015-05-21

Methods for treating lignocellulosic materials

20150136121

2015-05-21

Methods for treating lignocellulosic materials

20150007951

2015-01-08

METHOD FOR RECOVERY OF MOLYBDATE IN A MOLYBDATE-CATALYSED DELIGNIFICATION OF PULP WITH HYDROGEN PEROXIDE

20090056889

2009-03-05

Detoxifying and recycling of washing solution used in pretreatment of lignocellulose-containing materials

20060049106

2006-03-09

Method and arrangement in maing of mechanical pulp