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1. WO2022165537 - MICROFLUIDIC DEVICES AND PROCESSES

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Publication Number WO/2022/165537
Publication Date 04.08.2022
International Application No. PCT/US2022/070457
International Filing Date 01.02.2022
IPC
B01L 3/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
3Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
B01L 99/00 2010.1
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
99Subject matter not provided for in other groups of this subclass
G01N 1/28 2006.1
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
1Sampling; Preparing specimens for investigation
28Preparing specimens for investigation
G01N 35/08 2006.1
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
35Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/-G01N33/148; Handling materials therefor
08using a stream of discrete samples flowing along a tube system, e.g. flow injection analysis
CPC
B01L 2200/027
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
2200Solutions for specific problems relating to chemical or physical laboratory apparatus
02Adapting objects or devices to another
026Fluid interfacing between devices or objects, e.g. connectors, inlet details
027for microfluidic devices
B01L 2200/0642
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
2200Solutions for specific problems relating to chemical or physical laboratory apparatus
06Fluid handling related problems
0642Filling fluids into wells by specific techniques
B01L 2200/0684
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
2200Solutions for specific problems relating to chemical or physical laboratory apparatus
06Fluid handling related problems
0684Venting, avoiding backpressure, avoid gas bubbles
B01L 2300/042
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
2300Additional constructional details
04Closures and closing means
041Connecting closures to device or container
042Caps; Plugs
B01L 2300/046
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
2300Additional constructional details
04Closures and closing means
046Function or devices integrated in the closure
B01L 2300/0636
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
2300Additional constructional details
06Auxiliary integrated devices, integrated components
0627Sensor or part of a sensor is integrated
0636Integrated biosensor, microarrays
Applicants
  • BIO-RAD LABORATORIES, INC. [US]/[US]
  • BIO-RAD EUROPE GMBH [CH]/[CH]
Inventors
  • PETRINI, Lorenzo Franco Teodoro
  • PEREIRO PEREIRO, Iago
  • LOVCHIK, Robert Dean
  • FOMITCHEVA KHARTCHENKO, Anna
  • ZULJI, Anel
  • KAIGALA, Govind
  • BOERO, Cristina
  • NOËL, Olivier Michel Christian
  • GUEX, Christophe
  • GUILLOD, Stéphane
  • BOLON, Aurélie
Agents
  • CHRISTIANSEN, Richard B.
  • HINSCH, Matthew E.
  • RACZKOWSKI, David B.
  • ROBERGE, Christopher
Priority Data
63/144,30201.02.2021US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) MICROFLUIDIC DEVICES AND PROCESSES
(FR) DISPOSITIFS ET PROCÉDÉS MICROFLUIDIQUES
front page image
Abstract
(EN) A method comprises providing a microfluidic device including a reservoir; an injection nozzle at the bottom of the reservoir, the injection nozzle being wider at its top than at its bottom; an injection channel below the injection nozzle; and a microfluidic channel below the injection channel. The method further comprises placing fluid in the reservoir, and allowing the fluid to passively flow through the injection nozzle and the injection channel.
(FR) Dispositifs microfluidiques comprenant des caractéristiques facilitant une ou plusieurs d'une injection de fluide actif, d'une injection de fluide passive, d'un lavage de substrat et d'une modularisation.
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