P

Inventor

NELSON RICHARD V

US16 patents
⚠️ This page may combine multiple inventors who share the name “NELSON RICHARD V”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ICI AMERICA INC

15 patents
US4883860ANov 28, 1989

Triazine-based light stabilizers for plastics

ICI AMERICA INC10 citations73
US4883831ANov 28, 1989

Melamine-based light stabilizers for plastics

ICI AMERICA INC10 citations73
US4804699AFeb 14, 1989

Monomeric and oligomeric glutarate-based light stabilizers for plastics

ICI AMERICA INC18 citations73
US4981964AJan 1, 1991

Oligomeric polyesters and polyamides containing dipiperidyl triazine groups

ICI AMERICA INC2 citations62
US4889882ADec 26, 1989

Tetramethyl piperidyl terminated triazine oligomeric esters and amides

ICI AMERICA INC6 citations62
US4851461AJul 25, 1989

Tetraalkyl piperidylated stabilizers for plastics

ICI AMERICA INC3 citations62
US4710527ADec 1, 1987

Malonate-based light stabilizers for plastics

ICI AMERICA INC4 citations62
US4701485AOct 20, 1987

Malonate-based light stabilizers for plastics

ICI AMERICA INC3 citations62
US4690963ASep 1, 1987

Tartrate-based light stabilizers for plastics

ICI AMERICA INC2 citations62
US4689360AAug 25, 1987

Oligomeric malonate-based light stabilizers for plastics

ICI AMERICA INC2 citations62
US4628096ADec 9, 1986

Preparation of 2-halo-5-methylpyridines from 4-methyl-4-pentene derivatives

ICI AMERICA INC2 citations62
US4504664AMar 12, 1985

2-Piperidones

ICI AMERICA INC5 citations62
US4786750ANov 22, 1988

Pentene derivatives

ICI AMERICA INC0 citations52
US4709063ANov 24, 1987

Preparation of 2-halo-5-methylpyridines from 4-methyl-4-pentene derivatives

ICI AMERICA INC1 citations52
US4687800AAug 18, 1987

Tartrate-based light stabilizers for plastics

ICI AMERICA INC1 citations52

CHEVRON RES

1 patent