Patents-Review.com
ClassID:

84605 ⎘

C01B17/765 - CPC Classification

Classification description:

Sulfur; Compounds thereof; Sulfur trioxide; Sulfuric acid; Preparation by contact processes Multi-stage SO-conversion

Sub-classes:
Recent Application in this class:
#1
20240351879
2024-10-24

PROCESS AND APPARATUS FOR PREPARING SULFUR TRIOXIDE FROM SULFUR DIOXIDE

 #2
20200238241
2020-07-30

Layout for inter-bed cooling in sulfuric acid plants

 #3
20200149735
2020-05-14

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

 #4
20190202694
2019-07-04

Method and equipment for cooling sulphuric acid

 #5
20190177161
2019-06-13

Process for the production of sulfur trioxide

 #6
20190047860
2019-02-14

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

 #7
20180243714
2018-08-30

Catalytic reactor

 #8
20180127271
2018-05-10

Process for production of sulfuric acid

 #9
20170252697
2017-09-07

Method for the catalytic removal of sulphur dioxide from waste gases

 #10
20170239618
2017-08-24

A PROCESS FOR THE OXIDATION OF HYDROGEN SULFIDE TO SULFUR TRIOXIDE WITH SUBSEQUENT SULFUR REMOVAL AND A PLANT FOR CARRYING OUT THE PROCESS

 #11
20170107108
2017-04-20

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

 #12
20150147266
2015-05-28

Process for the oxidation of SOto SO

 #13
20140322125
2014-10-30

Recovery of sulfur trioxide heat of absorption

 #14
20140219910
2014-08-07

Sulphuric acid production with recycle of desulphurized gas

 #15
20140048228
2014-02-20

Process for production of sulphuric acid

 #16
20130058854
2013-03-07

Process and apparatus for sulphuric acid production

 #17
20130028821
2013-01-31

Process for removing contaminants from gas streams

 #18
20120171110
2012-07-05

Method and system for the production of sulfuric acid

 #19
20080063593
2008-03-13

Low temperature process for regenerating spent sulfuric acid