Inventor
LOFFELMAN FRANK F
US13 patents
Patents
13 patentsUS4778837AOct 18, 1988
Low basicity hindered amine light stabilizers
AMERICAN CYANAMID CO52 citations92
US4356287AOct 26, 1982
Novel polymeric light stabilizers for polymers
AMERICAN CYANAMID CO20 citations81
US4461861AJul 24, 1984
Polymer compositions stabilized with triazinyl-piperidine compounds
AMERICAN CYANAMID CO11 citations73
US4412020AOct 25, 1983
Novel light stabilizers for polymers
AMERICAN CYANAMID CO10 citations73
US4400505AAug 23, 1983
Triazinyl-piperidines as light stabilizers for polymers
AMERICAN CYANAMID CO14 citations73
US4348493ASep 7, 1982
Novel light stabilizers for polymers
AMERICAN CYANAMID CO15 citations72
US4670491AJun 2, 1987
Stabilized titanium dioxide-pigmented polyolefin compositions
AMERICAN CYANAMID CO10 citations71
US4435555AMar 6, 1984
Novel polymeric light stabilizers for polymers
AMERICAN CYANAMID CO5 citations62
US4413093ANov 1, 1983
Method of stabilizing a polymer from degradation by UV radiation
AMERICAN CYANAMID CO4 citations62
US4386177AMay 31, 1983
Light stabilizers for polymers containing hindered piperidinyl-substituted 1,3,5 triazine groups
AMERICAN CYANAMID CO6 citations61
US4293467AOct 6, 1981
Isopropylidenedicyclohexylene esters and their use as light stabilizers
AMERICAN CYANAMID CO2 citations60
US4381372AApr 26, 1983
Polymers derived from 4-bis(carbalkoxyethyl)-phosphinoxy-2,2,6,6-tetramethylpiperidine
AMERICAN CYANAMID CO0 citations51
US4125557ANov 14, 1978
Hydrosulfite-bleachable ketonimine dyes for paper
AMERICAN CYANAMID CO1 citations49