Inventor

HIRAI BUNJI

JP6 patents

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

ADEKA ARGUS CHEMICAL CO LTD

5 patents

US4692485ASep 8, 1987

Vinyl benzyl 2,2,6,6-tetramethyl piperidines

ADEKA ARGUS CHEMICAL CO LTD12 citations71

US4418196ANov 29, 1983

Process for preparing triacetone amine

ADEKA ARGUS CHEMICAL CO LTD3 citations62

US4798836AJan 17, 1989

Bis-(2,2,6,6-tetramethyl-piperidyl) diimides as light stabilizers for synthetic polymers

ADEKA ARGUS CHEMICAL CO LTD5 citations61

US4405737ASep 20, 1983

N-2-Hydroxypropyl piperidines and compositions thereof

ADEKA ARGUS CHEMICAL CO LTD5 citations61

US4767834AAug 30, 1988

Vinyl benzyl 2,2,6,6-tetramethyl piperidines

ADEKA ARGUS CHEMICAL CO LTD1 citations50

ARGUS CHEM

1 patent

US4252958AFeb 24, 1981

Process for preparing 2,2,6,6-Tetramethyl-4-oxopiperidine

ARGUS CHEM5 citations62