Patents-Review.com
ClassID:

85681 ⎘

C01F7/442 - CPC Classification

Classification description:

Compounds of aluminium; Aluminium oxide; Aluminium hydroxide; Aluminates; Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination in presence of a calcination additive

Recent Application in this class:
#1
20230357617
2023-11-09

Abrasive particles having an elongated body comprising a twist along an axis of the body

 #2
20230272254
2023-08-31

ABRASIVE PARTICLES HAVING COMPLEX SHAPES AND METHODS OF FORMING SAME

 #3
20230131773
2023-04-27

COMPOSITE PARTICLE AND METHOD OF PRODUCING COMPOSITE PARTICLE

 #4
20230096825
2023-03-30

PLATE-LIKE ALUMINA PARTICLE AND METHOD FOR MANUFACTURING PLATE-LIKE ALUMINA PARTICLE

 #5
20230002655
2023-01-05

METHOD FOR PRODUCING ABRASIVE PARTICLES

 #6
20220112088
2022-04-14

PLATE-LIKE ALUMINA PARTICLES, METHOD FOR PRODUCING PLATE-LIKE ALUMINA PARTICLES, AND RESIN COMPOSITION

 #7
20210395587
2021-12-23

ABRASIVE PARTICLES HAVING COMPLEX SHAPES AND METHODS OF FORMING SAME

 #8
20210291272
2021-09-23

Flaky alumina particles and method for producing flaky alumina particles

 #9
20210108118
2021-04-15

Abrasive particles having complex shapes and methods of forming same

 #10
20190338173
2019-11-07

Abrasive particles having complex shapes and methods of forming same

 #11
20180237675
2018-08-23

Abrasive particles having complex shapes and methods of forming same

 #12
20180044195
2018-02-15

Alumina sintered body and base substrate for optical device

 #13
20180002584
2018-01-04

Abrasive particles having complex shapes and methods of forming same

 #14
20170174574
2017-06-22

Alumina sintered body and base substrate for optical device

 #15
20170174524
2017-06-22

Method for producing a plate-like alumina power

 #16
20170166484
2017-06-15

Method for producing transparent alumina sintered body

 #17
20170166454
2017-06-15

Method for manufacturing plate-like alumina powder and plate-like alumina powder

 #18
20170145274
2017-05-25

Abrasive particles having complex shapes and methods of forming same

 #19
20170121182
2017-05-04

CALCINATION PROCESSES FOR PREPARING VARIOUS TYPES OF ALUMINA

 #20
20150239746
2015-08-27

α-alumina particles and method for manufacturing the same

 #21
20120252665
2012-10-04

MULTIPHASE ALUMINA PARTICLE

 #22
20120153547
2012-06-21

Ceramic particulate material and processes for forming same

 #23
20100056816
2010-03-04

SHAPED POROUS BODIES OF ALPHA-ALUMINA AND METHODS FOR THE PREPARATION THEREOF

 #24
20100040535
2010-02-18

Alpha-alumina powder

 #25
20090123363
2009-05-14

METHOD FOR PRODUCING AN ALPHA-ALUMINA POWDER

 #26
20080308528
2008-12-18

Nanoporous ultrafine α-alumina powders and sol-gel process of preparing same

 #27
20080279761
2008-11-13

Process for Producing Low-Soda Alumina, Apparatus Therefor, and Alumina

 #28
20080176075
2008-07-24

CERAMIC PARTICULATE MATERIAL AND PROCESSES FOR FORMING SAME

 #29
20080039539
2008-02-14

Stabilized boehmite-derived catalyst supports, catalysts, methods of making and using

 #30
20060189740
2006-08-24

Method for producing particulate alumina and composition containing particulate alumina

 #31
20060153769
2006-07-13

Process for the production of ultrafine plate-like alumina particles

 #32
20050234137
2005-10-20

Stabilized boehmite-derived catalyst supports, catalysts, methods of making and using

 #33
20050226807
2005-10-13

Method of producing low soda alumina, low soda alumina produced by the method and method of producing porcelain

 #34
20050214201
2005-09-29

Method for producing an alpha-alumina powder

 #35
20050182172
2005-08-18

Particulate alumina, method for producing particulate alumina and composition containing particulate alumina

 #36
20050035230
2005-02-17

Spherical alumina particles and production process thereof