Assignee
NAPHTACHIMIE SA
FR22 patents
Top patents by PatentIndex Score
US4762958AAug 9, 1988
Process and furnace for the steam cracking of hydrocarbons for the preparation of olefins and diolefins
NAPHTACHIMIE SA25 citations92
US4035560AJul 12, 1977
Method of polymerizing olefins in a fluidized bed
NAPHTACHIMIE SA51 citations90
US4355143AOct 19, 1982
Process for the polymerization of ethylene and the resulting products
NAPHTACHIMIE SA38 citations89
US5763724AJun 9, 1998
Method of manufacturing chemical products
NAPHTACHIMIE SA22 citations87
US4048412ASep 13, 1977
Dry polymerization of olefins in reaction vessels arranged in series
NAPHTACHIMIE SA37 citations87
US5873408AFeb 23, 1999
Method and apparatus for heat treating substances flowing along a duct
NAPHTACHIMIE SA38 citations86
US5796006AAug 18, 1998
Method and apparatus for measuring vibrations
NAPHTACHIMIE SA26 citations86
US4060190ANov 29, 1977
Process for joining tubular members of great length
NAPHTACHIMIE SA38 citations81
US4997525AMar 5, 1991
Hydrocarbon cracking apparatus
NAPHTACHIMIE SA10 citations73
US4110248AAug 29, 1978
Manufacture of catalysts for polymerization of olefins
NAPHTACHIMIE SA13 citations72
US4777318AOct 11, 1988
Process and furnace for the steam cracking of hydrocarbons for the preparation of olefins and diolefins
NAPHTACHIMIE SA18 citations71
US5124003AJun 23, 1992
Apparatus for the steam cracking of hydrocarbons for the preparation of olefins an diolefins
NAPHTACHIMIE SA7 citations70
US4360650ANov 23, 1982
Process for the production of copolymers of propylene and but-1-ene, products resulting therefrom and uses thereof
NAPHTACHIMIE SA9 citations70
US4343926AAug 10, 1982
Fluidized bed terpolymerization of ethylene, propylene and non-conjugated diene
NAPHTACHIMIE SA7 citations70
US5846496ADec 8, 1998
Apparatus for manufacturing chemical products
NAPHTACHIMIE SA7 citations68
US4260709AApr 7, 1981
Magnesium-based catalyst for use in the polymerization of olefins
NAPHTACHIMIE SA16 citations65
US4260504AApr 7, 1981
Polyoxyalkylene triol additives for minimizing deposits from aqueous heat-exchanging fluids
NAPHTACHIMIE SA9 citations62
US3954909AMay 4, 1976
Method of producing solid polymers
NAPHTACHIMIE SA7 citations62
US4199474AApr 22, 1980
Catalysts for polymerizing olefins
NAPHTACHIMIE SA4 citations61
US3933934AJan 20, 1976
Fabrication of atactic waxes of polyolefin
NAPHTACHIMIE SA5 citations61
US4042771AAug 16, 1977
Polymerization of olefins with pre-activated catalysts
NAPHTACHIMIE SA2 citations58
US3995098ANov 30, 1976
Method of polymerizing olefins
NAPHTACHIMIE SA5 citations58