C04B7/42 - CPC Classification Index

ClassID:

88221 ⎘

C04B7/42 - CPC Classification

Classification description:

Hydraulic cements; Manufacture of hydraulic cements in general; Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel; Active ingredients added before, or during, the burning process

Sub-classes:

C04B7/421 » {Inorganic materials} 12
C04B7/428 » {Organic materials} 4

Recent Application in this class:

20230250021

2023-08-10

METHODS FOR RECYCLING USED ENGINE OIL

20230110304

2023-04-13

METHOD AND APPARATUS FOR MANUFACTURING CEMENT USING ROTARY GENERATED THERMAL ENERGY

20200009574

2020-01-09

Incinerated-ash treatment device and treatment method

20120180703

2012-07-19

Calcium aluminate clinker as a refractory aggregate with and without barium addition and use thereof

20110011213

2011-01-20

Calcium aluminate clinker as a refractory aggregate with and without barium addition and use thereof

20090084290

2009-04-02

Method for reducing organic chlorine compounds in cement production facility, and cement production facility

20080282938

2008-11-20

CEMENT MAKING METHOD

20080196639

2008-08-21

INTRODUCTION OF CYANIDE WASTE AS A NOX REDUCTANT

20080061465

2008-03-13

Calcium aluminate clinker as a refractory aggregate with and without barium addition and use thereof

#10

20060272553

2006-12-07

Cement making method

#11

20050255020

2005-11-17

Introduction of cyanide waste as a nox reductant

#12

20050049138

2005-03-03

Calcium aluminate clinker as a refractory aggregate with and without barium addition and use thereof