Process for the preparation of acid anhydrides  

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Publication number: IE63824 (B1)
Publication date: 1995-06-14
Inventor(s): ALAS MICHEL; GUBELMANN MICHEL; POPA JEAN-MICHEL
Applicant(s): RHONE POULENC CHIMIE [FR]
Classification:  
- international: C07D307/60; B01J21/16; B01J37/30; C07B61/00; C07C51/00; C07C51/56; C07C67/00; C07D307/89; C07D309/32; C07D493/04; B01J21/00; B01J37/00; C07B61/00; C07C51/00; C07C51/54; C07C67/00; C07D307/00; C07D309/00; C07D493/00; (IPC1-7): C07C51/56; C07C57/13; C07C63/16
- European: C07C51/56; C07C51/56
Application number: IE19880003467 19881118 
Priority number(s): FR19870016065 19871120
   
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Also published as:
  IE883467  (L)  
  FR2623500  (A1)  
  JP1238577  (A)  
  JP1238577  (A)  
  JP1238577  (A)  
 
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Abstract not available for IE 63824  (B1)
Abstract of corresponding document: FR 2623500  (A1)
La présente invention concerne un procédé de préparation d'anhydride itaconique par passage sur une argile acidifiée d'une solution d'acide itaconique.</P>

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