Levray; Andre

Patent Applications and Registrations

Patent applications and USPTO patent grants for Levray; Andre.The latest application filed is for "method for purifying (meth)acrylic esters using a divided wall column".

Company Profile

2.5.7

Levray; Andre - Saint Avold Cedex FR
Levray; Andre - Porcelette FR
Levray; Andre - Procelette FR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method For Purifying (meth)acrylic Esters Using A Divided Wall Column App 20220106251 - TRETJAK; Serge ; et al.	2022-04-07
Purification Of Aqueous Solutions Containing Formaldehyde And Use Of The Purified Solution In An Acrylic Acid Production Process App 20210395107 - Tretjak; Serge ; et al.	2021-12-23
Process for the synthesis of acrylic acid oligomers Grant 10,183,907 - Linemann , et al. Ja	2019-01-22
Process For The Synthesis Of Acrylic Acid Oligomers App 20180265447 - Linemann; Reinhard ; et al.	2018-09-20
Process for producing alkyl acrylate Grant 10,000,439 - Riondel , et al. June 19, 2	2018-06-19
Method for producing 2-octyl acrylate by direct esterification Grant 9,403,750 - Riondel , et al. August 2, 2	2016-08-02
Process for recovering noble products in a process for producing dialkylaminoalkyl (meth) acrylates Grant 9,359,287 - Paul , et al. June 7, 2	2016-06-07
Process For Producing Alkyl Acrylate App 20150315120 - RIONDEL; Alain F. ; et al.	2015-11-05
Method For Producing 2-octyl Acrylate By Direct Esterification App 20150299093 - Riondel; Alain ; et al.	2015-10-22
Process For Recovering Noble Products In A Process For Producing Dialkylaminoalkyl (meth) Acrylates App 20140350291 - Paul; Jean-Michel ; et al.	2014-11-27

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