Assignee

ENICHEM SINTESI

IT119 patents

Top patents by PatentIndex Score

US4859785AAug 22, 1989

Catalyst on the basis of silicon and titanium having high mechanical strength

ENICHEM SINTESI37 citations96

US4701428AOct 20, 1987

Catalyst of silicon and titanium having high mechanical strength and a process for its preparation.

ENICHEM SINTESI75 citations96

US5686644ANov 11, 1997

Procedure for the production of alkyl carbonates

ENICHEM SINTESI21 citations93

US5171636ADec 15, 1992

Photochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparation

ENICHEM SINTESI24 citations93

US5730908AMar 24, 1998

Photochromatic and thermochromatic compounds and their application in polymeric materials

ENICHEM SINTESI25 citations92

US5350786ASep 27, 1994

Polyoxazolidines with a structure containing carbonate groups, procedure for their preparation and use

ENICHEM SINTESI25 citations92

US5186867AFeb 16, 1993

Spiro-indoline oxazine compounds with photochromatic and photosensitizing characteristics and the process for their preparation

ENICHEM SINTESI44 citations92

US5010202AApr 23, 1991

Novel silicon-organic compounds, containing an oxazolidine group

ENICHEM SINTESI24 citations92

US4829130AMay 9, 1989

Silylated derivatives of isobutene crosslinkable under ambient conditions, and process for preparing them

ENICHEM SINTESI76 citations92

US4812545AMar 14, 1989

Process for the preparation of substitutes for optical glasses and polymerizable liquid composition suitable to that purpose

ENICHEM SINTESI25 citations92

US5811612ASep 22, 1998

Catalytic composition and process for the alkylation or transalkylation of aromatic compounds

ENICHEM SINTESI29 citations91

US5357002AOct 18, 1994

Polymer containing chelating groups, process for preparing it and its use in water purification

ENICHEM SINTESI35 citations91

US5302735AApr 12, 1994

Polysiloxanic stabilizers containing sterically hindered phenol groups and oxamidic groups

ENICHEM SINTESI28 citations91

US5536864AJul 16, 1996

Process for producing dimethyl carbonate and apparatus suitable for such purpose

ENICHEM SINTESI31 citations90

US5527943AJun 18, 1996

Method for removing acid and saline contaminants from a gaseous stream leaving a dimethylcarbonate synthesis reactor

ENICHEM SINTESI25 citations90

US5155153AOct 13, 1992

Stabilizing composition for organic polymers

ENICHEM SINTESI33 citations90

US5089661AFeb 18, 1992

New process for the preparation of 2-aryl-propionic acids

ENICHEM SINTESI22 citations90

US5051458ASep 24, 1991

UV stabilizers for organic polymers

ENICHEM SINTESI50 citations90

US4957956ASep 18, 1990

Solid stabilizer composition for organic polymers, and process for preparing it

ENICHEM SINTESI37 citations90

US4824885AApr 25, 1989

Process of (co) polymerization of alpha-olefins in the presence of antioxidants

ENICHEM SINTESI28 citations90

US5180524AJan 19, 1993

Photochromatic composition and photochromatic articles which contain it

ENICHEM SINTESI55 citations89

US5116929AMay 26, 1992

Copolyester-diol polycarbonates, process for producing them and their use

ENICHEM SINTESI25 citations89

US4996283AFeb 26, 1991

Reactive hot melt composition

ENICHEM SINTESI26 citations88

US4935063AJun 19, 1990

Fillers and pigments possessing organic polymer stabilizing properties and a process for their preparation

ENICHEM SINTESI33 citations88

US5210269AMay 11, 1993

Process for producing dimethyl carbonate

ENICHEM SINTESI29 citations87

US4946880AAug 7, 1990

Silylated U.V. stabilizers containing hindered tertiary amines

ENICHEM SINTESI37 citations87

US5110922AMay 5, 1992

Photochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparation

ENICHEM SINTESI20 citations82

US5055576AOct 8, 1991

Photochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparation

ENICHEM SINTESI21 citations82

US4954653ASep 4, 1990

Catalyst on the basis of silicon and titanium having high mechanical strength and a process for its preparation

ENICHEM SINTESI22 citations82

US4684726AAug 4, 1987

Reactive stabilizing compounds containing a sterically hindered amino group and a hydrolyzable silyl function

ENICHEM SINTESI18 citations82

US5288869AFeb 22, 1994

Pentaerythryl phosphonates and their use in self-extinguishing thermoplastic polymeric compositions

ENICHEM SINTESI15 citations81

US5202041AApr 13, 1993

Ski lubricant comprising paraffinic wax and a hydrocarbon compound containing a perfluoro segment

ENICHEM SINTESI20 citations81

US4792417ADec 20, 1988

Stainless steels stress corrosion inhibitors

ENICHEM SINTESI15 citations80

US4659845AApr 21, 1987

Process for the production of N-methylcarbamates

ENICHEM SINTESI22 citations80

US4743631AMay 10, 1988

Acrylated phosphonoacetic acids as adhesion promoters, method for making, and curable coatings for metal

ENICHEM SINTESI18 citations77

US5315034AMay 24, 1994

Procedure for the preparation of alkyl isocyanates

ENICHEM SINTESI15 citations74

US5206409AApr 27, 1993

Process for preparing di-alkyl carbonates

ENICHEM SINTESI9 citations74

US5173552ADec 22, 1992

Process for the production of thermoformed articles by polymerizing compositions comprising diethylene glycol bis (allylcarbonate)

ENICHEM SINTESI8 citations74

US5159099AOct 27, 1992

Continuous process for preparing di-alkyl carbonates

ENICHEM SINTESI9 citations74

US5021590AJun 4, 1991

Process for producing N-alkyl-carbamates

ENICHEM SINTESI7 citations74

US4990578AFeb 5, 1991

Polyol-polycarbonates and process for preparing them

ENICHEM SINTESI10 citations74

US4888375ADec 19, 1989

Organic polymer stabilization

ENICHEM SINTESI15 citations74

US4849387AJul 18, 1989

Catalyst for the selective decomposition of cumene hydroperoxide and process using it

ENICHEM SINTESI6 citations74

US4835233AMay 30, 1989

Liquid polymerizable compositions for the production of substitutes for optical glasses

ENICHEM SINTESI8 citations74

US4757116AJul 12, 1988

Elastomeric fluid compositions, crosslinking in the presence of ambient humidity, suitable for use in sealants

ENICHEM SINTESI7 citations74

US4743573AMay 10, 1988

Catalyst for the selective decomposition of cumene hydroperoxide

ENICHEM SINTESI7 citations74

Showing the top 50 of 119 patents by PatentIndex Score.

ENICHEM SINTESI

Top patents by PatentIndex Score

Catalyst on the basis of silicon and titanium having high mechanical strength

Catalyst of silicon and titanium having high mechanical strength and a process for its preparation.

Procedure for the production of alkyl carbonates

Photochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparation

Photochromatic and thermochromatic compounds and their application in polymeric materials

Process of (co)polymerization of α-olefins in the presence of stabilizers

Diol-terminated polycarbonates

Composition for the production of artificial marble or granite

Process for obtaining granular forms of additives for organic polymers

Polyoxazolidines with a structure containing carbonate groups, procedure for their preparation and use

Spiro-indoline oxazine compounds with photochromatic and photosensitizing characteristics and the process for their preparation

Novel silicon-organic compounds, containing an oxazolidine group

Silylated derivatives of isobutene crosslinkable under ambient conditions, and process for preparing them

Process for the preparation of substitutes for optical glasses and polymerizable liquid composition suitable to that purpose

Catalytic composition and process for the alkylation or transalkylation of aromatic compounds

Polymer containing chelating groups, process for preparing it and its use in water purification

Polysiloxanic stabilizers containing sterically hindered phenol groups and oxamidic groups

Process for producing dimethyl carbonate and apparatus suitable for such purpose

Method for removing acid and saline contaminants from a gaseous stream leaving a dimethylcarbonate synthesis reactor

Stabilizing composition for organic polymers

New process for the preparation of 2-aryl-propionic acids

UV stabilizers for organic polymers

Solid stabilizer composition for organic polymers, and process for preparing it

Process of (co) polymerization of alpha-olefins in the presence of antioxidants

Photochromatic composition and photochromatic articles which contain it

Copolyester-diol polycarbonates, process for producing them and their use

Reactive hot melt composition

Fillers and pigments possessing organic polymer stabilizing properties and a process for their preparation

Process for producing dimethyl carbonate

Silylated U.V. stabilizers containing hindered tertiary amines

Photochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparation

Photochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparation

Catalyst on the basis of silicon and titanium having high mechanical strength and a process for its preparation

Reactive stabilizing compounds containing a sterically hindered amino group and a hydrolyzable silyl function

Pentaerythryl phosphonates and their use in self-extinguishing thermoplastic polymeric compositions

Ski lubricant comprising paraffinic wax and a hydrocarbon compound containing a perfluoro segment

Stainless steels stress corrosion inhibitors

Process for the production of N-methylcarbamates

Acrylated phosphonoacetic acids as adhesion promoters, method for making, and curable coatings for metal

Procedure for the preparation of alkyl isocyanates

Process for preparing di-alkyl carbonates

Process for the production of thermoformed articles by polymerizing compositions comprising diethylene glycol bis (allylcarbonate)

Continuous process for preparing di-alkyl carbonates

Process for producing N-alkyl-carbamates

Polyol-polycarbonates and process for preparing them

Organic polymer stabilization

Catalyst for the selective decomposition of cumene hydroperoxide and process using it

Liquid polymerizable compositions for the production of substitutes for optical glasses

Elastomeric fluid compositions, crosslinking in the presence of ambient humidity, suitable for use in sealants

Catalyst for the selective decomposition of cumene hydroperoxide