Inventor

ROUMIEU RAYMOND

FR7 patents

⚠️ This page may combine multiple inventors who share the name “ROUMIEU RAYMOND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PECHINEY ALUMINIUM

2 patents

US7048475B2May 23, 2006

System for distribution of pulverulent material with controlled gravimetric flow rates

PECHINEY ALUMINIUM24 citations90

US7217408B2May 15, 2007

Solubilisation of carbonates by recycling condensates during digestion of monohydrate bauxites under pressure

PECHINEY ALUMINIUM0 citations33

METAUX SPECIAUX SA

2 patents

US4738716AApr 19, 1988

Process for purifying lithium

METAUX SPECIAUX SA13 citations71

US4842254AJun 27, 1989

Apparatus for purifying lithium

METAUX SPECIAUX SA3 citations60

EURECAT EUROP RETRAIT CATALYS

1 patent

US5153163AOct 6, 1992

Process for the pretreatment of a catalyst by a mixture of a sulphur agent and an organic reducing agent

EURECAT EUROP RETRAIT CATALYS36 citations91

INST FRANCAIS DU PETROLE AND E

1 patent

US5350728ASep 27, 1994

Method of preparing a solid mass for mercury recovery

INST FRANCAIS DU PETROLE AND E99 citations90

ROUMIEU RAYMOND

1 patent

US8425159B2Apr 23, 2013

Process for conveying powdery materials without segregation

ROUMIEU RAYMOND7 citations75