ClassID:

89788

C04B2235/321 - CPC Classification

Classification description:

Aspects relating to ceramic starting mixtures or sintered ceramic products; Composition of constituents of the starting material or of secondary phases of the final product; Constituents and secondary phases not being of a fibrous nature; Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides; Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide; Calcium oxide or oxide-forming salts thereof, e.g. lime Dolomites, i.e. mixed calcium magnesium carbonates

Recent Application in this class:
#1
20250393105
2025-12-25

ANODE FOR DIRECT CURRENT ELECTRIC ARC FURNACE

#2
20250289749
2025-09-18

Enamelled Ceramic Material With a Low Coefficient Of Thermal Expansion

#3
20230265017
2023-08-24

A SYNTHETIC MINERAL COMPOSITION, A METHOD OF FORMING A SYNTHETIC MINERAL COMPOSITION AND USES OF A SYNTHETIC MINERAL COMPOSITION

#4
20220204406
2022-06-30

TOUGHENED CERAMIC AND METHODS OF TOUGHENING CERAMIC

#5
20210261464
2021-08-26

Grains for the production of a sintered refractory product, a batch for the production of a sintered refractory product, a process for the production of a sintered refractory product and a sintered refractory product

#6
20200308055
2020-10-01

Toughened ceramic and methods of toughening ceramic

#7
20200277226
2020-09-03

Raw material for producing a refractory product, a use of this raw material, and a refractory product comprising a raw material of this kind

#8
20190375686
2019-12-12

Batch for producing an unshaped refractory ceramic product, method for producing an unshaped refractory ceramic product, and an unshaped refractory ceramic product produced thereby

#9
20190177235
2019-06-13

Formed hexagonal boron nitride body, heat-treated hexagonal boron nitride body and processes for producing the same

#10
20180319710
2018-11-08

Lightweight micro-closed-pore corundum composite refractory, method for preparing the same

#11
20180257999
2018-09-13

Honeycomb structure

#12
20170050884
2017-02-23

Refractory ceramic batch composition, use of a batch composition of this type, and metallurgical melting vessel

#13
20160318805
2016-11-03

Siliceous composition and method for obtaining same

#14
20160297712
2016-10-13

Method for producing granulates

#15
20160160120
2016-06-09

Ceramic particles and process for making the same

#16
20160031009
2016-02-04

Nozzle sand and method of use and operation

#17
20130157013
2013-06-20

Product and process

#18
20120277130
2012-11-01

Hydraulic fracturing proppant containing inorganic fibers

#19
20120199527
2012-08-09

CERAMIC MEDIA FOR TREATMENT OF A FLUID

#20
20110297707
2011-12-08

Anti-alumina-buildup refractories for casting nozzles

#21
20110177932
2011-07-21

Ceramic with improved high temperature electrical properties for use as a spark plug insulator

#22
20110004985
2011-01-13

Ceramic Hinge

#23
20110003679
2011-01-06

Anti-alumina-buildup refractories for casting nozzles

#24
20100273636
2010-10-28

Mix and refractory product having a high hydration resistance produced therefrom

#25
20090188854
2009-07-30

FILTER DEVICE FOR FILTERING LIQUID FROM A SOURCE

#26
20090178971
2009-07-16

Ceramic filter

#27
20080143229
2008-06-19

Spark plug having a ceramic insulator with improved high temperature electrical properties

#28
20070123412
2007-05-31

Ceramic with improved high temperature electrical properties for use as a spark plug insulator

#29
20060266268
2006-11-30

Industrial ceramic shaped body and process for producing same

#30
20050110382
2005-05-26

Ceramic with improved high temperature electrical properties for use as a spark plug insulator