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Marcel Norais

This inventor holds 2 USPTO granted patents. Top assignee: Elf Atochem S.a.. Active years: 1999-2000.

USPTO Granted Patents = 2

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 19(Granted Patents)

Location History:

Savenay, FR (1999)
Uzel, FR (2000)

Company Filing History:

Elf Atochem S.a.

Years Active: 1999-2000

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2 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6110388 - Sludge filtration device comprising a filter piston, and sludge (2000-08-29),

2. 5979304 - Separation of sludge from liquid by piston-aided filtration (1999-11-09),

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