Membership
Tour
Register
Log in
Masahide Hirai
Follow
Person
Kusatsu, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method of selective separation and concentration of gallium and/or...
Patent number
4,517,096
Issue date
May 14, 1985
Dowa Mining Co., Ltd.
Kunio Sekine
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for removing heavy-metal ions from aqueous solution
Patent number
4,323,458
Issue date
Apr 6, 1982
Unitika Ltd.
Hiroyuki Uejima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Etherified phenolic chelate resin, process for its production, and...
Patent number
4,266,045
Issue date
May 5, 1981
Unitika Ltd.
Hiroyuki Uejima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Phenolic chelate resin and method of adsorption treatment
Patent number
4,250,031
Issue date
Feb 10, 1981
Unitika Ltd.
Hiroyuki Uejima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Phenolic chelate resin and method of adsorption treatment
Patent number
4,197,391
Issue date
Apr 8, 1980
Unitika Ltd.
Hiroyuki Uejima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...