C04B2103/0028 - CPC Classification Index

ClassID:

89462 ⎘

C04B2103/0028 - CPC Classification

Classification description:

Function or property of ingredients for mortars, concrete or artificial stone; Standardised cement types according to API

Sub-classes:

C04B2103/0029 » {Type A} 8
C04B2103/003 » {Type B} 0
C04B2103/0031 » {Type C} 4
C04B2103/0032 » {Type D} 0
C04B2103/0033 » {Type E} 0
C04B2103/0034 » {Type F} 0
C04B2103/0035 » {Type G} 33
C04B2103/0036 » {Type H} 27
C04B2103/0037 » {Type J} 0
C04B2103/0038 » {Type K} 0

Recent Application in this class:

20190292434

2019-09-26

Loss circulation compositions (LCM) having Portland cement clinker

20190292433

2019-09-26

Loss circulation compositions (LCM) having Portland cement clinker

20190226288

2019-07-25

Method of conversion of a drilling mud to a gel-based lost circulation material to combat lost circulation during continuous drilling

20190225865

2019-07-25

Loss circulation compositions (LCM) having portland cement clinker

20190185736

2019-06-20

Loss circulation compositions (LCM) having Portland cement clinker

20190153294

2019-05-23

Loss circulation compositions (LCM) having Portland cement clinker

20190153293

2019-05-23

Loss circulation compositions (LCM) having portland cement clinker

20190153292

2019-05-23

Loss circulation compositions (LCM) having Portland cement clinker

20190092999

2019-03-28

Cement compositions having fast setting times and high compressive strengths

#10

20190023970

2019-01-24

Loss circulation compositions (LCM) having portland cement clinker

#11

20190023969

2019-01-24

Loss circulation compositions (LCM) having Portland cement clinker

#12

20190023968

2019-01-24

Loss circulation compositions (LCM) having portland cement clinker

#13

20190023967

2019-01-24

Loss circulation compositions (LCM) having portland cement clinker

#14

20170260819

2017-09-14

Method of conversion of a drilling mud to a gel-based lost circulation material to combat lost circulation during continuous drilling

#15

20170002256

2017-01-05

Chitin nanocrystal containing wellbore fluids

#16

20160115365

2016-04-28

Methods for maintaining zonal isolation in a subterranean well

#17

20140353043

2014-12-04

Method of conversion of a drilling mud to a gel-based lost circulation material to combat lost circulation during continuous drilling

#18

20140238677

2014-08-28

Chitin nanocrystal containing wellbore fluids

#19

20120283152

2012-11-08

Water-based fluid loss additive containing an amphiphilic dispersant for use in a well

#20

20120024527

2012-02-02

Cement composition containing a substituted ethoxylated phenol surfactant for use in an oil-contaminated well

#21

20120018155

2012-01-26

Cement compositions with a high-density additive of silicon carbide or sintered bauxite

#22

20110308799

2011-12-22

Water-based fluid loss additive containing an amphiphilic dispersant for use in a well

#23

20110028607

2011-02-03

Cement compositions comprising stevia retarders

#24

20100155069

2010-06-24

Cement compositions comprising stevia retarders

#25

20090156435

2009-06-18

Defoaming methods and compositions

#26

20080220994

2008-09-11

Defoaming methods and compositions

#27

20080099203

2008-05-01

Self-sealing well cement composition

#28

20060114126

2006-06-01

Apparatus for monitoring an aircraft flap and application of a dynamometric rod

#29

20050178295

2005-08-18

Cement compositions comprising set retarder compositions and associated methods