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1. WO2022006287 - METHODS FOR MEASURING DUST AND LINT

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Publication Number WO/2022/006287
Publication Date 06.01.2022
International Application No. PCT/US2021/039916
International Filing Date 30.06.2021
IPC
G01N 15/02 2006.1
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
15Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
02Investigating particle size or size distribution
G01N 15/06 2006.1
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
15Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
06Investigating concentration of particle suspensions
H01L 21/66 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
21Processes or apparatus specially adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
66Testing or measuring during manufacture or treatment
C23C 14/00 2006.1
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
14Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
G01B 11/08 2006.1
GPHYSICS
01MEASURING; TESTING
BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
11Measuring arrangements characterised by the use of optical means
08for measuring diameters
CPC
G01N 15/0612
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
15Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
06Investigating concentration of particle suspensions
0606by collecting particles on a support
0612Optical scan of the deposits
G01N 15/1429
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
15Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
10Investigating individual particles
14Electro-optical investigation, e.g. flow cytometers
1429using an analyser being characterised by its signal processing
G01N 15/1434
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
15Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
10Investigating individual particles
14Electro-optical investigation, e.g. flow cytometers
1434using an analyser being characterised by its optical arrangement
G01N 15/1463
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
15Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
10Investigating individual particles
14Electro-optical investigation, e.g. flow cytometers
1456without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
1463using image analysis for extracting features of the particle
G01N 2015/0096
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
15Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
0096Investigating consistence of powders, dustability, dustiness
G01N 2015/1486
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
15Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
10Investigating individual particles
14Electro-optical investigation, e.g. flow cytometers
1486Counting the particles
Applicants
  • KEMIRA OYJ [FI]/[FI]
  • KEMIRA CHEMICALS, INC. [US]/[US] (LC)
Inventors
  • CAMPBELL, Clayton
  • PAWLOWSKA, Lucyna
  • DE ASSIS, Tiago
  • NURSE, Christopher
  • RAUNIO, Jukka-Pekka
Agents
  • TESKIN, Robin, L.
  • KALAFUS, Kenneth, J.
Priority Data
63/046,05330.06.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) METHODS FOR MEASURING DUST AND LINT
(FR) PROCÉDÉS PERMETTANT DE MESURER DE LA POUSSIÈRE ET DES PELUCHES
front page image
Abstract
(EN) The present disclosure generally relates to a method of measuring dust and lint particles such as dust and lint particles that may originate from and/or during the manufacture of paper, cloth or textiles, for example, tissue and other printed fine paper and board grades, and/or the dust and lint particles that may originate from and/or during the use of paper, cloth or textiles, for example, tissue and other printed fine paper and board grades.
(FR) La présente invention se rapporte de manière générale à un procédé de mesure de particules de poussière et de peluches telles que des particules de poussière et de peluches qui peuvent provenir de papier, de tissu ou de textiles et/ou de la fabrication de papier, de tissu ou de textiles, par exemple, d'un tissu ou d'autres grades de papier fin imprimé et de carton, et/ou des particules de poussière et de peluches qui peuvent provenir de papier, de tissu ou de textiles et/ou de l'utilisation de papier, de tissu ou de textiles, par exemple, d'un tissu et d'autres grades de papier fin imprimé et de carton.
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