C01B33/1485 - CPC Classification Index

ClassID:

85010 ⎘

C01B33/1485 - CPC Classification

Classification description:

Silicon; Compounds thereof; Silicon oxides; Hydrates thereof; Silica; Hydrates thereof, e.g. lepidoic silicic acid; Colloidal silica, e.g. dispersions, gels, sols; After-treatment of sols; Concentration; Drying; Dehydration; Stabilisation; Purification Stabilisation, e.g. prevention of gelling; Purification

Recent Application in this class:

20250388478

2025-12-25

SILICA SOL CONTAINING ADDITIVE, AND METHOD FOR PRODUCING SAME

20250304452

2025-10-02

STABILIZED AQUEOUS ACTIVE SILICA SOLUTION, SILICA SOL USING SAME, AND METHOD FOR PRODUCING SAME

20190112196

2019-04-18

CATION-MODIFIED SILICA RAW MATERIAL DISPERSION

20180344895

2018-12-06

Silicic acid condensates having a low degree of cross-linking in a polymer matrix

20160319173

2016-11-03

Method for producing purified active silicic acid solution and silica sol

20150225248

2015-08-13

Method for producing purified alkali silicate aqueous solution and silica sol

20140042359

2014-02-13

Process for preparing aqueous colloidal silica sols of high purity from alkali metal silicate solutions

20140031452

2014-01-30

Silicic acid condensates having a low degree of cross-linking in a polymer matrix

20130075651

2013-03-28

Method for producing purified active silicic acid solution and silica sol

#10

20130055646

2013-03-07

Method for producing purified alkali silicate aqueous solution and silica sol

#11

20120187342

2012-07-26

Process for the preparation of aqueous suspensions of anionic colloidal silica having a neutral PH and applications thereof

#12

20120145950

2012-06-14

Ultrapure colloidal silica for use in chemical mechanical polishing applications

#13

20110176985

2011-07-21

Production of precipitated silica

#14

20110117035

2011-05-19

Process for the preparation of aqueous suspensions of anionic colloidal silica having a neutral pH and applications thereof

#15

20100308287

2010-12-09

SILICON DIOXIDE DISPERSION COMPRISING POLYOL

#16

20100197854

2010-08-05

Method for the removal of alkaline or acidic compounds from a solvent-containing metal oxide dispersion, in particular silicic acid

#17

20100108277

2010-05-06

Paper production with modified silica gels as microparticles

#18

20090261309

2009-10-22

Silicon dioxide dispersion comprising polyol

#19

20090143490

2009-06-04

Silica sol and method for producing the same

#20

20090004482

2009-01-01

Method of making a stabilized colloidal silica, compositions comprising the same, and coated articles including the same

#21

20080160154

2008-07-03

Process for the preparation of aqueous suspensions of anionic colloidal silica having a neutral pH and applications thereof

#22

20080159972

2008-07-03

PROCESS FOR THE PREPARATION OF AQUEOUS SUSPENSIONS OF ANIONIC COLLOIDAL SILICA HAVING A NEUTRAL PH AND APPLICATIONS THEREOF

#23

20080045411

2008-02-21

Pyrogenic silicon dioxide and a dispersion thereof

#24

20070272383

2007-11-29

Paper production with modified silica gels as microparticles

#25

20070254964

2007-11-01

Ultrapure colloidal silica for use in chemical mechanical polishing applications

#26

20070224146

2007-09-27

Method of stabilizing silica-containing anionic microparticles in hard water

#27

20070075292

2007-04-05

Ultrapure colloidal silica for use in chemical mechanical polishing applications

#28

20070032560

2007-02-08

Organosol of silica and process for producing same

#29

20050137267

2005-06-23

Colloidal particle sols and methods for preparing the same