P

Inventor

SON PYONG-NAE

US21 patents

Patents

21 patents
US5071981ADec 10, 1991

Alkylated oxo-piperanzinyl-triazine

GOODRICH CO B F52 citations95
US4797438AJan 10, 1989

Stabilized gamma-irradiated polypropylene and sterilizable articles thereof

GOODRICH CO B F27 citations92
US5189173AFeb 23, 1993

Alkylated polyalkylene polyamines and process for selective alkylation

GOODRICH CO B F7 citations74
US4477665AOct 16, 1984

Substituted 2-keto-1,4-diazacycloalkanes

GOODRICH CO B F14 citations74
US4298737ANov 3, 1981

Piperdinyl substituted 1,4-diaza-2-cycloalkanones and derivatives thereof

GOODRICH CO B F8 citations74
US4251435AFeb 17, 1981

High molecular weight piperidine derivatives as UV stabilizers

GOODRICH CO B F14 citations74
US4472548ASep 18, 1984

Oligomeric phenylphosphonites

GOODRICH CO B F7 citations73
US4326063AApr 20, 1982

High molecular weight piperidine derivatives as UV stabilizers

GOODRICH CO B F8 citations73
US4073770AFeb 14, 1978

Substituted decahydroquinolines and their use as ultraviolet light stabilizers

GOODRICH CO B F9 citations70
US4069195AJan 17, 1978

Substituted decahydroquinolines and their use as ultraviolet light stabilizer

GOODRICH CO B F15 citations70
US4692487ASep 8, 1987

1,2-ethanediyl-bis-2-piperazinone esters, oligomers thereof, and compositions stabilized thereby

GOODRICH CO B F6 citations63
US4675353AJun 23, 1987

Hindered 2-keto-1,4-diazacycloalkane oligomers containing triazine rings and compositions stabilized thereby

GOODRICH CO B F3 citations63
US4650903AMar 17, 1987

Oligomeric amides as synergists for antioxidants and UV stabilizers

GOODRICH CO B F5 citations63
US5240977AAug 31, 1993

Multi-component stabilizer system for polyolefins pigmented with azo and disazo pigments

GOODRICH CO B F4 citations62
US4326061AApr 20, 1982

Substituted decahydroquinolines

GOODRICH CO B F1 citations62
US4006140AFeb 1, 1977

Morpholinothio oxamides

GOODRICH CO B F4 citations62
US3965077AJun 22, 1976

Cycloalkylthio(electron-withdrawing group substituted)aniline compounds

GOODRICH CO B F6 citations62
US4841053AJun 20, 1989

Process for desensitizing a 1-(alkylamino)alkyl-polysubstituted piperazinone during recovery

GOODRICH CO B F6 citations60
US5270471ADec 14, 1993

Process for making alkylated polyalkylenepolyamines by selective alkylation

GOODRICH CO B F1 citations52
US4687850AAug 18, 1987

Purification of 1-(2-amino-2-alkylpropyl)-3,3,5,5-tetraalkylpiperazinones

GOODRICH CO B F0 citations50
US5239071AAug 24, 1993

Process for methylating a hindered nitrogen atom in an inert non-aqueous solvent

GOODRICH CO B F0 citations38