ClassID:

167497

G01N2013/0275 - CPC Classification

Classification description:

Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects; Investigating surface tension of liquids involving surface-active agents

Recent Application in this class:
#1
20250361801
2025-11-27

METHOD OF MEASUREMENT OF INTERFACIAL TENSION (IFT) OF TWO IMMISCIBLE FLUIDS AT RESERVOIR CONDITIONS: AN IN SITU GAS BUFFERED INJECTION

#2
20240142358
2024-05-02

Surface Energy Measurement Instrument For Metal Foil And Measurement Method Using The Same

#3
20230384197
2023-11-30

DETERMINING THE CRITICAL MICELLE CONCENTRATION UTILIZING SEDIMENTATION VELOCITY PROFILES

#4
20230279754
2023-09-07

METHOD OF MEASUREMENT OF INTERFACIAL TENSION (IFT) OF TWO IMMISCIBLE FLUIDS AT RESERVOIR CONDITIONS: AN IN SITU GAS BUFFERED INJECTION

#5
20220381665
2022-12-01

Method of evaluating foaming agents and surfactants

#6
20210389221
2021-12-16

Instrument and method for accurate measurement of surface viscosity of viscous liquid

#7
20210381352
2021-12-09

Method of measurement of interfacial tension (IFT) of two immiscible fluids at reservoir conditions: an in situ gas buffered injection

#8
20210356373
2021-11-18

CMC-based method for surfactant concentration determination

#9
20180162751
2018-06-14

Method for treating an aqueous liquid by means of a filter determined as a function of the interfacial tension of the liquid

#10
20180057453
2018-03-01

Alkylaromatic sulfonate compositions from mixed hydrocarbons

#11
20180057452
2018-03-01

Alkylaromatic sulfonate compositions from mixed hydrocarbons

#12
20180057451
2018-03-01

Alkylaromatic sulfonate compositions from mixed hydrocarbons

#13
20160033383
2016-02-04

PORTABLE SENSORS FOR DETERMINATION OF LIQUID SURFACE TENSION, AND METHODS OF USES THEREOF

#14
20150355065
2015-12-10

Rapid characterization of the solubility of amphiphiles

#15
20140219888
2014-08-07

Tube and float system and methods of using the same

#16
20140110343
2014-04-24

Isolation of interfacial material from organic matrices

#17
20130340541
2013-12-26

Method and apparatus for evaluating the efficacy of a cleaning product

#18
20130224780
2013-08-29

Liquid crystal device and method for screening protein stabilizing agents or optimal protein concentrations to prevent unfolding

#19
20130067999
2013-03-21

Method for selection of surfactants in well stimulation

#20
20120285231
2012-11-15

Testing additives for production enhancement treatments

#21
20120079876
2012-04-05

Microtensiometer sensor, probe and method of use

#22
20110161010
2011-06-30

Testing additives for production enhancement treatments

#23
20090133480
2009-05-28

Methods and device for fast creation of fluid interfaces and use of this device for determination of liquid-liquid and liquid-gas interfacial properties

#24
20070277597
2007-12-06

Method and device for measuring the surface tension of liquids

#25
20060240557
2006-10-26

Automated mechanical stress assay for screening cleaning ingredients

#26
20050003508
2005-01-06

Method for evaluating an optimal dosage of defoamers in a fermentation process