Membership
Tour
Register
Log in
Jacques Helgorsky
Follow
Person
Frepillon, FR
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method of recovering gallium from very basic solutions by liquid/li...
Patent number
4,724,129
Issue date
Feb 9, 1988
Rhone-Poulenc Industries
Jacques Helgorsky
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Purification of solutions of gallium values by liquid/liquid extrac...
Patent number
4,372,923
Issue date
Feb 8, 1983
Rhone-Poulenc Industries
Jacques Helgorsky
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
6107845x
Patent number
4,285,921
Issue date
Aug 25, 1981
Rhone-Poulenc Industries
Armand Mamourian
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the separating of rare earths
Patent number
4,255,394
Issue date
Mar 10, 1981
Rhone-Poulenc Industries
Jacques Helgorsky
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Liquid/liquid extraction of gallium values from basic aqueous solut...
Patent number
4,241,029
Issue date
Dec 23, 1980
Rhone-Poulenc Industries
Jacques Helgorsky
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Liquid/liquid extraction of gallium values from highly basic aqueou...
Patent number
4,169,130
Issue date
Sep 25, 1979
Rhone-Poulenc Industries
Jacques Helgorsky
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for the preparation of purified phosphoric solutions from p...
Patent number
4,118,462
Issue date
Oct 3, 1978
Rhone-Poulenc Industries
Pierre Desire
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of defluorinating phosphoric acid
Patent number
4,065,547
Issue date
Dec 27, 1977
Rhone-Poulenc Industries
Maurice Leroy
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Method of separating chlorinated aliphatic hydrocarbons from mixtur...
Patent number
4,031,148
Issue date
Jun 21, 1977
Rhone-Poulenc Industries
Jacques Helgorsky
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for liquid/liquid extraction of gallium
Patent number
3,971,843
Issue date
Jul 27, 1976
Rhone-Poulenc Industries
Jacques Helgorsky
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...