P

Inventor

HARUNA TOHRU

JP33 patents
⚠️ This page may combine multiple inventors who share the name “HARUNA TOHRU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ADEKA ARGUS CHEMICAL CO LTD

14 patents
US4619958AOct 28, 1986

Mixed 2,2,6,6-tetramethyl piperidinyl carboxylic acid ester and amide light stabilizers and stabilized synthetic polymers

ADEKA ARGUS CHEMICAL CO LTD31 citations92
US4529760AJul 16, 1985

Oligomers of 2,2,6,6-tetramethylpiperidinol polycarboxylic acid esters and synthetic polymer compositions

ADEKA ARGUS CHEMICAL CO LTD22 citations82
US5039723AAug 13, 1991

Stabilized synthetic resin composition

ADEKA ARGUS CHEMICAL CO LTD10 citations74
US4999393AMar 12, 1991

Phosphonite compound and synthetic resin composition

ADEKA ARGUS CHEMICAL CO LTD6 citations74
US4894400AJan 16, 1990

Stabilized synthetic polymer composition

ADEKA ARGUS CHEMICAL CO LTD7 citations74
US4670492AJun 2, 1987

Cyclic bis and tris phosphites and stabilized synthetic resin compositions

ADEKA ARGUS CHEMICAL CO LTD14 citations74
US4481317ANov 6, 1984

Hindered bisphenol diphosphonites and stabilized synthetic resin compositions containing the same

ADEKA ARGUS CHEMICAL CO LTD12 citations74
US4349468ASep 14, 1982

Stabilizer for polyolefin resin

ADEKA ARGUS CHEMICAL CO LTD19 citations74
US4912156AMar 27, 1990

Polyolefin composition

ADEKA ARGUS CHEMICAL CO LTD8 citations73
US4885326ADec 5, 1989

Composition of stabilized synthetic resin

ADEKA ARGUS CHEMICAL CO LTD13 citations71
US4469828ASep 4, 1984

Alkylthiopropionyl hydrazino triazines and synthetic resin compositions

ADEKA ARGUS CHEMICAL CO LTD4 citations63
US4663459AMay 5, 1987

Method for preparing 2,2,6,6-tetramethyl-4-oxopiperidine

ADEKA ARGUS CHEMICAL CO LTD2 citations62
US4418196ANov 29, 1983

Process for preparing triacetone amine

ADEKA ARGUS CHEMICAL CO LTD3 citations62
US4661597AApr 28, 1987

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

ADEKA ARGUS CHEMICAL CO LTD0 citations51

ARGUS CHEM

11 patents

ASAHI DENKA KOGYO KK

5 patents

NAKAHARA YUTAKA

1 patent

HITACHI CHEMICAL CO LTD

1 patent

MINAGAWA MOTONOBU

1 patent