ClassID:

84610

C01B17/79 - CPC Classification

Classification description:

Sulfur; Compounds thereof; Sulfur trioxide; Sulfuric acid; Preparation by contact processes characterised by the catalyst used containing vanadium

Recent Application in this class:
#1
20260008675
2026-01-08

METHOD FOR MANUFACTURING ELECTRONIC-GRADE SULFURIC ACID

#2
20250154005
2025-05-15

A PROCESS FOR CONVERSION OF AQUEOUS HYDROGEN SULFIDE TO SULFURIC ACID

#3
20240417256
2024-12-19

PRODUCTION OF SULFURIC ACID EMPLOYING AN O2 RICH STREAM

#4
20240229251
2024-07-11

HYDROGEN SULFIDE CONVERSION

#5
20240133049
2024-04-25

HYDROGEN SULFIDE CONVERSION

#6
20230294990
2023-09-21

Method For Manufacturing Sulphuric Acid

#7
20220401863
2022-12-22

PROCESS FOR THE REMOVAL OF PARTICULATE MATTER FROM AN AQUEOUS STREAM

#8
20220371890
2022-11-24

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

#9
20210309519
2021-10-07

Process system and process method for conversion of sulfur-containing flue gas to sulfuric acid

#10
20200398255
2020-12-24

SHAPED CATALYST BODY IN THE FORM OF TETRALOBES HAVING A CENTRAL THROUGH-PASSAGE

#11
20200317519
2020-10-08

Method for production of sulfur and sulfuric acid

#12
20200156045
2020-05-21

Vanadium-based catalyst and preparation method therefor

#13
20190152781
2019-05-23

Apparatus and method for removing and retarding paraffin buildup on surfaces in contact with crude oil and natural gas

#14
20190047860
2019-02-14

Single contact, single absorption system for producing sulfuric acid with high conversion efficiency

#15
20190047859
2019-02-14

Method and plant design for reduction of start-up sulfur oxide emissions in sulfuric acid production

#16
20180244522
2018-08-30

Method and device for producing sulfuric acid

#17
20180237299
2018-08-23

Method and device for producing sulfuric acid

#18
20180127271
2018-05-10

Process for production of sulfuric acid

#19
20180104674
2018-04-19

Shaped catalyst body for the catalytic oxidation of SOinto SO

#20
20170107108
2017-04-20

Single contact, single absorption system for producing sulfuric acid with high conversion efficiency

#21
20140227160
2014-08-14

MATERIAL AND METHOD FOR SEALING OFF CAVITIES

#22
20130336876
2013-12-19

Low temperature sulphur dioxide oxidation catalyst for sulfuric acid manufacture

#23
20120171110
2012-07-05

Method and system for the production of sulfuric acid

#24
20110251052
2011-10-13

CATALYST FOR THE OXIDATION OF SO2 TO SO3

#25
20110250124
2011-10-13

Catalyst for the oxidation of SOto SO

#26
20070260072
2007-11-08

Concurrent Sulfur Dioxide Oxidation Process and its Use in Manufacture of Tetrabromophthalic Anhydride

#27
20060251570
2006-11-09

Process for regenerating spent sulfuric acid