ClassID:

107661

C10N2250/022 - CPC Classification

Classification description:

Recent Application in this class:
#1
20200165504
2020-05-28

Spacer fluid compositions that include surfactants

#2
20200040247
2020-02-06

Development of anti-bit balling fluids

#3
20190309210
2019-10-10

Development of anti-bit balling fluids

#4
20190300817
2019-10-03

Metalworking Fluid

#5
20190292486
2019-09-26

Metalworking Fluid

#6
20190241831
2019-08-08

Industrial Fluid

#7
20190241830
2019-08-08

Industrial Fluid

#8
20190225901
2019-07-25

Industrial Fluid

#9
20190024012
2019-01-24

STABLE LUBRICANT EMULSION

#10
20180320063
2018-11-08

Development of retarded acid system

#11
20180320050
2018-11-08

Methods of using drilling fluid compositions with enhanced rheology

#12
20180312439
2018-11-01

Dispersant in cement formulations for oil and gas wells

#13
20180282216
2018-10-04

Dispersant in cement formulations for oil and gas wells

#14
20180223169
2018-08-09

Spacer fluid compositions that include surfactants

#15
20180223167
2018-08-09

Spacer fluid compositions, methods, and systems for aqueous based drilling mud removal

#16
20180223166
2018-08-09

Invert emulsion based drilling fluid and methods of using same

#17
20180223165
2018-08-09

Emulsifier compositions for invert emulsion fluids and methods of using the same

#18
20180223162
2018-08-09

Development of anti-bit balling fluids

#19
20180223161
2018-08-09

Development of anti-bit balling fluids

#20
20180223160
2018-08-09

Anti-bit balling drilling fluids, and methods of making and use thereof

#21
20180223158
2018-08-09

Drilling fluid compositions with enhanced rheology and methods of using same

#22
20180223156
2018-08-09

Enhanced filtration control packages, wellbore servicing fluids utilizing the same, and methods of maintaining the structure of a wellbore

#23
20180223153
2018-08-09

Lubricants for water-based drilling fluids

#24
20180222797
2018-08-09

Cement slurries, cured cement and methods of making and use thereof

#25
20180222796
2018-08-09

Cement slurries, cured cements and methods of making and use thereof

#26
20170335219
2017-11-23

Use of O/W emulsions for chain lubrication

#27
20160108334
2016-04-21

Use of O/W emulsions for chain lubrication

#28
20140336091
2014-11-13

Use of O/W emulsions for chain lubrication

#29
20120283151
2012-11-08

Biodegradable lubricating composition and use thereof in a drilling fluid, in particular for very deep reservoirs