ClassID:

88267

C04B11/007 - CPC Classification

Classification description:

Calcium sulfate cements After-treatment of the dehydration products, e.g. aging, stabilisation

Recent Application in this class:
#1
20250353789
2025-11-20

Process and System for the Calcination of Gypsum

#2
20250263338
2025-08-21

APPARATUS AND PROCESS FOR POST STUCCO TREATMENT AND COOLING

#3
20250171361
2025-05-29

MOISTURE-RESISTANT GYPSUM BOARDS AND METHODS OF MAKING THEM

#4
20240165670
2024-05-23

FOREIGN MATTER REMOVING APPARATUS, GYPSUM-BASED BUILDING BOARD MANUFACTURING APPARATUS, AND FOREIGN MATTER REMOVING METHOD

#5
20230339811
2023-10-26

GYPSUM SET ACCELERATOR

#6
20220324756
2022-10-13

Methods of removing chloride from gypsum having high level of chloride salt

#7
20220298069
2022-09-22

STABILIZED GYPSUM PARTICLES

#8
20210048254
2021-02-18

Multitubular rotary heat exchanger

#9
20200385309
2020-12-10

Stucco properties through aging at elevated temperatures and high humidity level

#10
20200262756
2020-08-20

Method for the production of gypsum-based boards and stucco slurry comprising non-pregelatinized migratory starch for use therewith

#11
20190300429
2019-10-03

Gypsum additive to control mercury

#12
20190016633
2019-01-17

Calcined gypsum treatment device and calcined gypsum treatment method

#13
20180354857
2018-12-13

Method for the production of gypsum-based boards and stucco slurry comprising non-pregelatinized migratory starch for use therewith

#14
20160340244
2016-11-24

Method of curing a gypsum calcination product

#15
20150152010
2015-06-04

Method for stabilizing beta-hemihydrate plaster

#16
20140030173
2014-01-30

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

#17
20120060723
2012-03-15

Process and device for stabilising, cooling and dehumidifying gypsum plaster

#18
20110168061
2011-07-14

Method and system for the production of hard plaster

#19
20110150750
2011-06-23

CALCINATION METHOD AND SYSTEM

#20
20110135930
2011-06-09

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

#21
20110011311
2011-01-20

Calcium sulfate hemihydrate treatment process

#22
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

#23
20080148998
2008-06-26

Calcium sulfate hemihydrate treatment process

#24
20080135072
2008-06-12

Apparatus for stabilizing plaster

#25
20060010895
2006-01-19

Apparatus and process for cooling and de-steaming calcined stucco

#26
20050152827
2005-07-14

Method and apparatus for stabilizing plaster