Inventor

YANAGAWASE KUNIYO

JP3 patents

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

UENO SEIYAKU OYO KENKYUJO KK

2 patents

US5770766AJun 23, 1998

Method for separating and purifying hydroxynaphtalenecarboxylic acids

UENO SEIYAKU OYO KENKYUJO KK5 citations57

US6194608B1Feb 27, 2001

Process for separating and purifying alkali metal salts of hydroxynaphthalenecarboxylic acids

UENO SEIYAKU OYO KENKYUJO KK0 citations47

UENO FINE CHEMICALS IND LTD

1 patent

US9790165B2Oct 17, 2017

Production process and purification process of 4-hydroxy-benzoic acid long chain ester

UENO FINE CHEMICALS IND LTD0 citations37