Inventor
TRACY DAVID J
36 patents
⚠️ This page may combine multiple inventors who share the name “TRACY DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GAF CORP
24 patentsUS4732990AMar 22, 1988
Quaternized nitrogen containing compounds
GAF CORP28 citations93
US4883655ANov 28, 1989
Quaternized nitrogen containing polycyclic compounds
GAF CORP16 citations74
US4837013AJun 6, 1989
Quaternized nitrogen containing compounds
GAF CORP7 citations74
US4834970AMay 30, 1989
Cosometic compositions containing quaternized nitrogen containing compound
GAF CORP7 citations74
US4830851AMay 16, 1989
Polymeric halophors
GAF CORP11 citations74
US4801400AJan 31, 1989
Epoxy pyrrolidone based non-ionic surfactants
GAF CORP12 citations74
US4698412AOct 6, 1987
Lactam copolymers
GAF CORP7 citations74
US4885158ADec 5, 1989
Heat stable quaternized lactams having oxylated sulfur anions
GAF CORP18 citations73
US4806609AFeb 21, 1989
Pyrrolidonyl acrylate block polymers
GAF CORP14 citations73
US4760152AJul 26, 1988
Pyrrolidonyl acrylate block polymers
GAF CORP15 citations73
US4313764AFeb 2, 1982
Isocyanate polyoxyalkylenes
GAF CORP9 citations72
US4259474AMar 31, 1981
Sulfur-containing polyoxyalkylenes
GAF CORP16 citations72
US4255561AMar 10, 1981
Sulfide polymers of polyoxyalkylenes
GAF CORP10 citations72
US4129739ADec 12, 1978
Amidine compounds
GAF CORP5 citations69
US4886890ADec 12, 1989
Diquarternary nitrogen compounds
GAF CORP6 citations63
US4842858AJun 27, 1989
Polymeric halophors
GAF CORP6 citations63
US4830850AMay 16, 1989
Quaternized nitrogen containing compounds
GAF CORP6 citations63
US4713463ADec 15, 1987
Synthesis of n-epoxypropyl lactams
GAF CORP2 citations63
US4261912AApr 14, 1981
Ester of ω,ω-bis(dialkylhydroxyphenyl) alkanols as effective antioxidants
GAF CORP6 citations63
US4113954ASep 12, 1978
Process for the preparation of 3-anilino-5-pyrazolones
GAF CORP2 citations58
US4278821AJul 14, 1981
ω,ω-Bis(dialkylhydroxyphenyl) alkanols as intermediates in making effective antioxidants
GAF CORP0 citations52
US4792604ADec 20, 1988
Manufacture of haloalkyl lactams
GAF CORP0 citations51
US4294848AOct 13, 1981
Thiocyano-containing polyoxyalkylenes
GAF CORP0 citations51
US4138571AFeb 6, 1979
Nitrophenyl imino propionates
GAF CORP0 citations48
ISP INVESTMENTS INC
4 patentsUS5294644AMar 15, 1994
Surface active lactams
ISP INVESTMENTS INC107 citations96
US5093031AMar 3, 1992
Surface active lactams
ISP INVESTMENTS INC105 citations96
US5156837AOct 20, 1992
Cosmetic compositions containing quaternized nitrogen compounds
ISP INVESTMENTS INC11 citations74
US5110585AMay 5, 1992
Quaternized nitrogen containing polycyclic compounds
ISP INVESTMENTS INC11 citations74
GAF CHEMICALS CORP
4 patentsUS4952559AAug 28, 1990
Fragrance additive
GAF CHEMICALS CORP22 citations82
US4885371ADec 5, 1989
Process for the preparation of purified N-alkyl lactams
GAF CHEMICALS CORP22 citations82
US5008104AApr 16, 1991
Quaternized nitrogen containing compounds
GAF CHEMICALS CORP7 citations74
US5011941AApr 30, 1991
Quaternized nitrogen containing compounds
GAF CHEMICALS CORP2 citations63