ClassID:

85747

C01F11/466 - CPC Classification

Classification description:

Compounds of calcium, strontium, or barium; Sulfates Conversion of one form of calcium sulfate to another

Recent Application in this class:
#1
20260029199
2026-01-29

DEVICE FOR HAREMLESS TREATMENT OF PHOSPHOGYPSUM BY CALCINATION USING HIGH-TEMPERATURE CERAMSITE

#2
20250326654
2025-10-23

METHODS FOR CALCINING GYPSUM

#3
20240199482
2024-06-20

A CRYSTALLIZATION METHOD OF GYPSUM

#4
20190345038
2019-11-14

Method for producing calcium sulphate hemihydrate with unique properties

#5
20190322540
2019-10-24

Method for producing calcium sulfate

#6
20190202709
2019-07-04

Two-stage calcination method, and plant for same

#7
20190119122
2019-04-25

Method for producing calcium sulphate hemihydrate with unique properties

#8
20190016633
2019-01-17

Calcined gypsum treatment device and calcined gypsum treatment method

#9
20180257938
2018-09-13

Method for producing phosphoric acid and by-producing alpha-hemihydrate gypsum by wet-process

#10
20180080226
2018-03-22

GYPSUM BOARDS WITH POLYMER COATING AND METHODS FOR MAKING SAME

#11
20180015206
2018-01-18

BONE REPAIRING MATERIAL AND METHOD FOR PRODUCING THEREOF

#12
20180015200
2018-01-18

Method for producing alpha-calcium sulfate hemihydrate bone graft

#13
20170247262
2017-08-31

Method for preparing α-calcium sulfate hemihydrate with calcium sulfate dihydrate

#14
20170121183
2017-05-04

Method for reducing elemental sulfur in gypsum products

#15
20160122197
2016-05-05

MICROWAVE HEATING FOR GYPSUM MANUFACTURING PROCESSES

#16
20150158735
2015-06-11

Calcium sulfate crystals and methods for making the same

#17
20140377162
2014-12-25

Method of forming a gypsum based product

#18
20140030173
2014-01-30

Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process

#19
20120024488
2012-02-02

PAPER PRODUCT

#20
20110300032
2011-12-08

System and method for the production of gypsum using heat recovery

#21
20110135930
2011-06-09

Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process

#22
20110132560
2011-06-09

GYPSUM PRODUCT

#23
20100166627
2010-07-01

USE OF HYDROPHOBINS AS ADDITIVES IN THE CRYSTALLIZATION OF SOLIDS

#24
20100062255
2010-03-11

GYPSUM PRODUCT AND PROCESS FOR ITS PREPARATION

#25
20100034727
2010-02-11

PROCESS FOR PRODUCING GYPSUM

#26
20090308284
2009-12-17

System and method for the production of alpha type gypsum using heat recovery

#27
20090293772
2009-12-03

METHOD FOR STABILISING SOLUBLE METASTABLE SOLUBLE ANHYDRITE III, METHOD FOR PREPARING STABILISED SOLUBLE ANHYDRITE III HYDRAULIC BINDER, THE OBTAINED HYDRAULIC BINDER, USE OF THIS BINDER AND INDUSTRIAL FACILITY FOR CARRYING OUT SUCH A METHOD

#28
20080069762
2008-03-20

Process for manufacturing ultra low consistency alpha- and beta- blend stucco

#29
20070172413
2007-07-26

System and method for the production of alpha type gypsum using heat recovery

#30
15625343
2018-07-17

No fiber calcination of gypsum for gypsum fiberboard