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Le Havre, France

Michel Legendre

Average Co-Inventor Count = 2.50

ph-index = 4

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 47

Michel LegendrePhilippe Engelhard (5 patents)Michel LegendreGeorges Szabo (2 patents)Michel LegendreGuy Paris (2 patents)Michel LegendreMichel Legendre (5 patents)Philippe EngelhardPhilippe Engelhard (20 patents)Georges SzaboGeorges Szabo (18 patents)Guy ParisGuy Paris (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Compagnie Francaise De Raffinage (4 from 62 patents)

2. Compagnie Francaise Des Petroles (1 from 95 patents)


5 patents:

1. 4283585 - Hydrocarbon isomerization catalysts and procedures for the preparation

2. 4213849 - Method of using catalysts for reforming or isomerizing hydrocarbons

3. 4201696 - Hydrocarbon isomerization catalysts and procedures for the preparation

4. 4159257 - Catalysts for hydrotreatment of hydrocarbons including methods of

5. 4024077 - Catalysts for the isomerization of hydrocarbons, and process for the

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as of
12/12/2025
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