ClassID:

168966

G01N31/164 - CPC Classification

Classification description:

Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration; Determining the equivalent point by means of a discontinuity by electrical or electrochemical means

Recent Application in this class:
#1
20250321210
2025-10-16

RESIDUAL ACID ANALYSIS METHOD FOR ALCOHOL COMPOUND

#2
20250208099
2025-06-26

METHOD FOR DETERMINING OXALIC ACID CONTENT OF DIMETHYL OXALATE

#3
20250146989
2025-05-08

SYSTEM AND METHOD FOR DETERMINING ORGANIC CHLORINE CONTENT IN PETROLEUM OR PETROCHEMICAL STREAMS

#4
20250116645
2025-04-10

ELECTROCHEMICAL CELL STIRRING

#5
20250018329
2025-01-16

METHOD FOR CAPTURING CARBON DIOXIDE AND GAS ABSORPTION SYSTEM

#6
20240337631
2024-10-10

TITRATION-BASED ANALYTICAL METHOD FOR MEASUREMENT OF AU IN AU-SULFITE PROCESSING SOLUTION

#7
20200378252
2020-12-03

Real-time monitor and control of active clay in water-based drilling fluids

#8
20180224397
2018-08-09

Alkalinity sensor

#9
20160161447
2016-06-09

Coulometric titration cell

#10
20150369769
2015-12-24

End-fill electrochemical-based analytical test strip with perpendicular intersecting sample-receiving chambers

#11
20150299890
2015-10-22

Self-assembly of coatings utilizing surface charge

#12
20140045271
2014-02-13

Potentiometric titration method for measuring concentration of acid mixture of aluminum etchant

#13
20120073971
2012-03-29

Self-assembly of coatings utilizing surface charge

#14
20100191479
2010-07-29

Potentiometric titration method and potentiometric titration apparatus

#15
20090294672
2009-12-03

Method for determination of the total acid number and naphthenic acid number of petroleum, petroleum cuts and petroleum emulsions of water-in-oil type by mid-infrared spectroscopy

#16
20090283112
2009-11-19

Washing machine with a titration indicator based on measurements of solution conductivity

#17
20090282898
2009-11-19

Method for quantitative determination of hydrogen peroxide using potentiometric titration

#18
20090194430
2009-08-06

Analysis of copper ion and complexing agent in copper plating baths

#19
20090145777
2009-06-11

Titration device and method

#20
20050287677
2005-12-29

Dissolvent for volumetric analysis

#21
20050270535
2005-12-08

Methods and apparatuses for analyzing solder plating solutions

#22
20050214165
2005-09-29

Device for analyzing a test sample and for providing corresponding analysis data