C01B17/80 - CPC Classification Index

ClassID:

84611 ⎘

C01B17/80 - CPC Classification

Classification description:

Sulfur; Compounds thereof; Sulfur trioxide; Sulfuric acid; Preparation by contact processes Apparatus

Sub-classes:

C01B17/803 » {Converters} 20
C01B17/806 » {Absorbers; Heat exchangers} 30

Recent Application in this class:

20250313468

2025-10-09

TAIL GAS TREATMENT SYSTEM AND METHOD FOR A SULFURIC ACID PRODUCTION PLANT

20250154005

2025-05-15

A PROCESS FOR CONVERSION OF AQUEOUS HYDROGEN SULFIDE TO SULFURIC ACID

20240417256

2024-12-19

PRODUCTION OF SULFURIC ACID EMPLOYING AN O2 RICH STREAM

20240066485

2024-02-29

FILM REACTOR FOR A GAS-LIQUID, IN PARTICULAR A SULFONATION, OR SULFATATION, REACTION

20220234891

2022-07-28

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

20220227625

2022-07-21

METHOD FOR PRODUCTION OF ELEMENTAL SULFUR AND SULFURIC ACID

20220177307

2022-06-09

Method for production of sulfur and sulfuric acid

20220177306

2022-06-09

Revamping of a claus plant with a sulfuric acid plan

20190202694

2019-07-04

Method and equipment for cooling sulphuric acid

#10

20190152781

2019-05-23

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

#11

20140219910

2014-08-07

Sulphuric acid production with recycle of desulphurized gas

#12

20120308473

2012-12-06

Method and apparatus for adjusting the concentration of acids or lyes

#13

20120087856

2012-04-12

Generation of sulfur trioxide and sulfuric acid

#14

20100284899

2010-11-11

Generation of sulfur trioxide and sulfuric acid

#15

20080253957

2008-10-16

Process and plant for producing sulfuric acid

#16

20070267091

2007-11-22

Assembly for delivering solid particulate matter for loading