Inventor
RANDELL DONALD RICHARD
17 patents
⚠️ This page may combine multiple inventors who share the name “RANDELL DONALD RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIBA GEIGY CORP
11 patentsUS4021432AMay 3, 1977
Piperidine derivatives
CIBA GEIGY CORP79 citations96
US4049647ASep 20, 1977
Bis piperidyl carboxylates
CIBA GEIGY CORP43 citations92
US4046737ASep 6, 1977
Piperidine derivatives
CIBA GEIGY CORP41 citations92
US4038280AJul 26, 1977
Hydroxyaryl-tetramethyl-piperidines
CIBA GEIGY CORP22 citations80
US4033928AJul 5, 1977
Stabilized epoxy resins
CIBA GEIGY CORP22 citations80
US4014887AMar 29, 1977
Substituted piperidin-4-ols
CIBA GEIGY CORP27 citations78
US4110305AAug 29, 1978
Polymers stabilized by esters of piperidinols
CIBA GEIGY CORP7 citations73
US3954779AMay 4, 1976
4-(4'-Hydroxycyclohexyl)-2,2,6,6-tetramethyl piperidines
CIBA GEIGY CORP10 citations72
US3939170AFeb 17, 1976
Dehydro pyridinyl sulfides, sulfoxides and sulfones
CIBA GEIGY CORP6 citations72
US3968123AJul 6, 1976
(3-Thioxo-1,2-dithiol-4-yl) substituted triaryl phosphates and thiophosphates
CIBA GEIGY CORP14 citations71
US3994923ANov 30, 1976
4-(3,5-Dialkyl-4-hydroxyphenyl)-1,2-dithiole-3-thiones
CIBA GEIGY CORP6 citations60
CIBA GEIGY AG
3 patentsUS4093680AJun 6, 1978
Phosphorylated tertiary butylated phenol/phenol ester reaction mixtures
CIBA GEIGY AG16 citations71
US4096209AJun 20, 1978
Phosphorylated secondary butylated phenol/phenol ester mixtures
CIBA GEIGY AG4 citations60
US4069189AJan 17, 1978
Chemical process and products
CIBA GEIGY AG2 citations60