Andre Levray

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Porcelette, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method for purifying (meth)acrylic esters using a divided wall column
- Patent number 11,926,588
- Issue date Mar 12, 2024
- Arkema France
- Serge Tretjak
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the synthesis of acrylic acid oligomers
- Patent number 10,183,907
- Issue date Jan 22, 2019
- Arkema France
- Reinhard Linemann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing alkyl acrylate
- Patent number 10,000,439
- Issue date Jun 19, 2018
- Arkema France
- Alain F. Riondel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 2-octyl acrylate by direct esterification
- Patent number 9,403,750
- Issue date Aug 2, 2016
- Arkema France
- Alain Riondel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovering noble products in a process for producing di...
- Patent number 9,359,287
- Issue date Jun 7, 2016
- Arkema France
- Jean-Michel Paul
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PURIFYING (METH)ACRYLIC ESTERS USING A DIVIDED WALL COLUMN
- Publication number 20220106251
- Publication date Apr 7, 2022
- Arkema France
- Serge TRETJAK
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PURIFICATION OF AQUEOUS SOLUTIONS CONTAINING FORMALDEHYDE AND USE O...
- Publication number 20210395107
- Publication date Dec 23, 2021
- Arkema France
- Serge Tretjak
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
PROCESS FOR THE SYNTHESIS OF ACRYLIC ACID OLIGOMERS
- Publication number 20180265447
- Publication date Sep 20, 2018
- Arkema France
- Reinhard Linemann
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PRODUCING ALKYL ACRYLATE
- Publication number 20150315120
- Publication date Nov 5, 2015
- Arkema France
- Alain F. RIONDEL
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING 2-OCTYL ACRYLATE BY DIRECT ESTERIFICATION
- Publication number 20150299093
- Publication date Oct 22, 2015
- Arkema France
- Alain Riondel
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR RECOVERING NOBLE PRODUCTS IN A PROCESS FOR PRODUCING DI...
- Publication number 20140350291
- Publication date Nov 27, 2014
- Arkema France
- Jean-Michel Paul
- C07 - ORGANIC CHEMISTRY