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Dive into the research topics where Jean-Michel Popa is active.

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Featured researches published by Jean-Michel Popa.


Zeolites | 1991

Process for the hydroxylation of phenols and phenol ethers

Michel Costantini; Michel Gubelmann; Jean-Pierre Lecomte; Jean-Michel Popa

Process for the hydroxylation of phenols and phenol ethers with hydrogen peroxide. More precisely, the invention consists of a process for the hydroxylation of phenols and phenol ethers and preferably of phenol, with hydrogen peroxide, characterised in that the reaction is conducted in the presence of an effective quantity of an acidic clay of TOT structure, which has a pH lower than 7 in aqueous suspension.


Archive | 1991

Production of silica-based mfi zeolites

Anne Catherine Faust; Jean-Louis Guth; Frédérique Hoffner; Jean-Michel Popa


Archive | 1991

Stannozeosilite/zirconozeosilite zeolites and catalytic hydroxylation of phenolics therewith

Jean-Louis Guth; Michel Costantini; Annie Lopez; Jean-Michel Popa


Archive | 1988

Zeolites having an mfi-structure, based on silica and titanium oxide, and method for their synthesis

Jean-Michel Popa; Jean-Luc Guth; Henri Kessler


Archive | 1990

Hydroxylation of phenols/phenol ethers

Michel Constantini; Jean-Michel Popa


Archive | 1990

Preparation of phenols by direct N2 O hydroxylation of aromatic substrates

Michel Gubelmann; Jean-Michel Popa; Philipe-Jean Tirel


Archive | 1988

Silicon/titanium oxide mfi zeolites

Jean-Michel Popa; Jean-Luc Guth; Henri Kessler


Archive | 1988

Purification of silane gas

Bernard Pacaud; Jean-Michel Popa; Claude-Bernard Cartier


Archive | 1996

Intermetallic ruthenium tin-catalyst for use in aldehyde synthesis

Roland Jacquot; Jean-Marc Leclercq; Claude Mercier; Jean-Michel Popa


Archive | 1990

Microporous zirconia and process for its preparation

Jean-Michel Popa

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Jean-Louis Guth

École Normale Supérieure

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