Inventor
KATAOKA YUSHIN
11 patents
⚠️ This page may combine multiple inventors who share the name “KATAOKA YUSHIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
10 patentsUS4564659AJan 14, 1986
Chelate resin and process for producing the same
SUMITOMO CHEMICAL CO29 citations91
US4468374AAug 28, 1984
Method for recovery of gallium
SUMITOMO CHEMICAL CO14 citations73
US4786481ANov 22, 1988
Method for eluting a metal adsorbed on a chelating agent
SUMITOMO CHEMICAL CO8 citations72
US4442231AApr 10, 1984
Aminophosphonic acid chelate resin
SUMITOMO CHEMICAL CO15 citations71
US4277566AJul 7, 1981
Chelate resin prepared by aftertreatment of aminated resin with polyfunctional compound and amine
SUMITOMO CHEMICAL CO9 citations71
US4000099ADec 28, 1976
Tar urethane composition
SUMITOMO CHEMICAL CO10 citations70
US4565673AJan 21, 1986
Process for eluting indium from a chelate resin containing adsorbed indium
SUMITOMO CHEMICAL CO15 citations69
US4605706AAug 12, 1986
Process for producing a chelate resin
SUMITOMO CHEMICAL CO2 citations61
US4055585AOct 25, 1977
Preparation of liquid TDI for compositions
SUMITOMO CHEMICAL CO4 citations59
US4167525ASep 11, 1979
Process for preparation of aromatic acyl chloride
SUMITOMO CHEMICAL CO2 citations58