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Herve M. Cheradame
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La Tronche, FR
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last 30 patents
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Patent Grant
Heterogeneous Lewis acid-type catalysts
Patent number
5,877,371
Issue date
Mar 2, 1999
Exxon Chemical Patents Inc.
Frank Joung-Yei Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Heterogeneous lewis acid-type catalysts
Patent number
5,874,380
Issue date
Feb 23, 1999
Exxon Chemical Patents Inc.
Frank Joung-Yei Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
"Heterogeneous lewis acid-type catalysts"
Patent number
5,663,470
Issue date
Sep 2, 1997
Exxon Chemical Patents Inc.
Frank Joung-Yei Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Direct synthesis by living cationic polymerization of nitrogen-cont...
Patent number
5,629,394
Issue date
May 13, 1997
Exxon Chemical Patents Inc.
Herve M. Cheradame
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Direct synthesis by living cationic polymerization of nitrogen-cont...
Patent number
5,444,135
Issue date
Aug 22, 1995
Exxon Chemical Patents Inc.
Herve M. Cheradame
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Terminally-substituted polymeric compositions from cationically pol...
Patent number
5,336,745
Issue date
Aug 9, 1994
Exxon Chemical Patents Inc.
Herve M. Cheradame
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Direct synthesis by cationic polymerization of nitrogen-containing...
Patent number
5,032,653
Issue date
Jul 16, 1991
Exxon Chemical Patents, Inc.
Herve M. Cheradame
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Macromolecular material of ionic conduction
Patent number
4,357,401
Issue date
Nov 2, 1982
L'Etat Francais represente par le Delegue General pour l'Armement
Jean D. Andre
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for producing a macromolecular compound having a functional...
Patent number
4,125,692
Issue date
Nov 14, 1978
Etat Francais represented by the "Delegue General pour l'Armement"
Herve M. Cheradame
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...