ClassID:

236700

Y02P40/44 - CPC Classification

Classification description:

Recent Application in this class:
#1
20200140658
2020-05-07

Hydrophobic nanocellulose-coated paper and paperboard

#2
20200109059
2020-04-09

Recovering a caustic solution via calcium carbonate crystal aggregates

#3
20190218372
2019-07-18

NANOCELLULOSE-POLYMER COMPOSITES, AND PROCESSES FOR PRODUCING THEM

#4
20190185638
2019-06-20

OLEOPHILIC AND HYDROPHOBIC NANOCELLULOSE MATERIALS

#5
20190100604
2019-04-04

Processes and apparatus for producing nanocellulose, and compositions and products produced therefrom

#6
20180258587
2018-09-13

Method of reducing waste sludge using acid treatment and method of carbonating carbon dioxide with high purity using paper mill waste sludge

#7
20170159238
2017-06-08

Method for utilizing lignin separated from black liquor as lime-kiln fuel

#8
20170081207
2017-03-23

Recovering a caustic solution via calcium carbonate crystal aggregates

#9
20160333429
2016-11-17

Purification processes

#10
20160289793
2016-10-06

Method for leaching recovery-boiler ash

#11
20160002852
2016-01-07

Process for recausticizing green liquor

#12
20150329369
2015-11-19

Recovering a caustic solution via calcium carbonate crystal aggregates

#13
20150225895
2015-08-13

Method and apparatus for obtaining strong white liquor and lime mud with low residual alkali level

#14
20150204017
2015-07-23

Nanocellulose production using lignosulfonic acid

#15
20150119559
2015-04-30

Method for lignin separation from black liquor

#16
20140357847
2014-12-04

Method for lignin separation from black liquor comprising removal of sulfur compounds from formed water effluent

#17
20140271379
2014-09-18

Recovering a caustic solution via calcium carbonate crystal aggregates

#18
20140186899
2014-07-03

Biomass fractionation processes employing sulfur dioxide

#19
20140154757
2014-06-05

Processes and apparatus for producing nanocellulose, and compositions and products produced therefrom

#20
20130129601
2013-05-23

Lime causticization product brightness improvement via pre-slaking