ClassID:

84602

C01B17/745 - CPC Classification

Classification description:

Sulfur; Compounds thereof; Sulfur trioxide; Sulfuric acid; Preparation from sulfates

Recent Application in this class:
#1
20250367598
2025-12-04

METHODS FOR PREPARATION OF CA NUTRIENT TO SUPPORT CARBON NEUTRALITY

#2
20250214856
2025-07-03

PROCESSES FOR PRODUCING CALCIUM OXIDE AND SULFURIC ACID FROM CALCIUM SULFATE WITH MAGNESIUM INTERMEDIATE

#3
20250091965
2025-03-20

SYSTEM AND METHOD FOR PRODUCTION OF CALCIUM OXIDE WITH REDUCED CARBON FOOTPRINT

#4
20250019253
2025-01-16

Processes for producing calcium oxide and sulfuric acid from calcium sulfate with magnesium intermediate

#5
20240335793
2024-10-10

EXTRACTION OF AMMONIA AND SULFURIC ACID FROM AMMONIUM-SULFATE-RICH (WASTE) WATERS

#6
20240182375
2024-06-06

SYSTEM AND METHOD FOR PRODUCTION OF CALCIUM OXIDE WITH REDUCED CARBON FOOTPRINT

#7
20230219037
2023-07-13

DESULFURIZATION AND SULFUR RECOVERY METHOD FOR SULFUR DIOXIDE FLUE GAS

#8
20230126633
2023-04-27

Integrated method for producing sulphur dioxide quality suitable for a sulphuric acid process from calcium sulphate/phosphogypsum from phosphoric acid production

#9
20220204403
2022-06-30

PRODUCTION METHOD FOR PRODUCING CEMENT AND CO-PRODUCING SULFURIC ACID FROM PHOSPHOGYPSUM

#10
20200165734
2020-05-28

ELECTROCHEMICAL REACTOR AND PROCESS

#11
20190070598
2019-03-07

Method for the purification of alumina

#12
20170114468
2017-04-27

Electrochemical reactor and process

#13
20130108541
2013-05-02

Process for directly producing sulfur trioxide and sulfuric acid using gypsum as raw material

#14
20120152722
2012-06-21

Method and apparatus for inducing chemical reactions by X-ray irradiation

#15
20120128795
2012-05-24

COLORLESS, NON-FUMING, HAZARDLESS AND STABLE AQUA-REGIA, ITS PREPARATION METHOD AND USE IN TREATING MEDICAL DISORDERS

#16
20110038778
2011-02-17

Silicon tetrafluoride byproduct separation process

#17
20080056983
2008-03-06

Process for producing ammonia and sulfuric acid from a stream comprising ammonium sulfate