BH

by Taeko Midorikawa, heir

KK Kureha Kagaku Kogyo: 1 patents #332 of 607Top 55%
Overall (All Time): #4,089,837 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4268636 Vinyl chloride resin composition with processing aid Yo Iizuka, Haruhiko Yusa, Susumu Midorikawa, deceased 1981-05-19