ClassID:

84608

C01B17/775 - CPC Classification

Classification description:

Sulfur; Compounds thereof; Sulfur trioxide; Sulfuric acid; Preparation by contact processes Liquid phase contacting processes or wet catalysis processes

Recent Application in this class:
#1
20240092635
2024-03-21

Co-production of Hydrogen and Sulfuric Acid by Partial Oxidation of Sulfur

#2
20220371890
2022-11-24

Method for preparing electronic grade sulfuric acid from waste sulfuric acid solution

#3
20220234891
2022-07-28

Method for production of elemental sulfur by part or fully catalytic oxidation of Claus tail gas

#4
20220227625
2022-07-21

METHOD FOR PRODUCTION OF ELEMENTAL SULFUR AND SULFURIC ACID

#5
20220177307
2022-06-09

Method for production of sulfur and sulfuric acid

#6
20220177306
2022-06-09

Revamping of a claus plant with a sulfuric acid plan

#7
20220169507
2022-06-02

Regeneration of acid containing peroxy acids of sulfur

#8
20210179426
2021-06-17

Regeneration of acid containing peroxy acids of sulfur

#9
20210113960
2021-04-22

Acid gas treatment

#10
20200290876
2020-09-17

Process and device for the preparation of sulfuric acid

#11
20200289983
2020-09-17

Catalytic oxidation of NO/SOin flue gases with atmospheric oxygen as the oxidation reagent

#12
20200149735
2020-05-14

Method for inter-bed cooling in wet gas sulfuric acid plants

#13
20200147546
2020-05-14

Acid gas treatment

#14
20200023310
2020-01-23

ACID GAS TREATMENT

#15
20190119111
2019-04-25

Process for preparation of hydrobromic acid

#16
20170349437
2017-12-07

Process and plant for improved energy-efficient production of sulfuric acid

#17
20150139891
2015-05-21

Energy recovery in manufacture of sulfuric acid

#18
20140079624
2014-03-20

Energy recovery in manufacture of sulfuric acid

#19
20130115159
2013-05-09

Energy recovery in manufacture of sulfuric acid

#20
20100068127
2010-03-18

Process for the production of sulphuric acid

#21
20050287057
2005-12-29

Converting sulfur dioxide to sulfur trioxide in high-concentration manufacturing, using activated carbon with dopants and stripping solvent

#22
17510600
2023-01-10

Treating sulfur dioxide containing stream by acid aqueous absorption