Assignee
ENICHEM SINTESI
IT·119 granted patents·1,784 citations·filing 1984–1998
Top patents by PatentIndex Score
119 records- 0197US4701428ACatalyst of silicon and titanium having high mechanical strength and a process for its preparation.ENICHEM SINTESI·Filed 1986·Granted Oct 20, 1987·75 cites·8 claims
- 0294US5180524APhotochromatic composition and photochromatic articles which contain itENICHEM SINTESI·Filed 1991·Granted Jan 19, 1993·55 cites·13 claims
- 0390US4954653ACatalyst on the basis of silicon and titanium having high mechanical strength and a process for its preparationENICHEM SINTESI·Filed 1989·Granted Sep 4, 1990·22 cites·4 claims
- 0490US4829130ASilylated derivatives of isobutene crosslinkable under ambient conditions, and process for preparing themENICHEM SINTESI·Filed 1987·Granted May 9, 1989·76 cites·12 claims
- 0587US5051458AUV stabilizers for organic polymersENICHEM SINTESI·Filed 1989·Granted Sep 24, 1991·50 cites·30 claims
- 0687US4859785ACatalyst on the basis of silicon and titanium having high mechanical strengthENICHEM SINTESI·Filed 1987·Granted Aug 22, 1989·37 cites·2 claims
- 0786US5240642AProcess for obtaining granular forms of additives for organic polymersENICHEM SINTESI·Filed 1992·Granted Aug 31, 1993·32 cites·6 claims
- 0886US4684726AReactive stabilizing compounds containing a sterically hindered amino group and a hydrolyzable silyl functionENICHEM SINTESI·Filed 1985·Granted Aug 4, 1987·18 cites·13 claims
- 0985US5536864AProcess for producing dimethyl carbonate and apparatus suitable for such purposeENICHEM SINTESI·Filed 1994·Granted Jul 16, 1996·31 cites·20 claims
- 1085US4957956ASolid stabilizer composition for organic polymers, and process for preparing itENICHEM SINTESI·Filed 1988·Granted Sep 18, 1990·37 cites·18 claims
- 1184US5527943AMethod for removing acid and saline contaminants from a gaseous stream leaving a dimethylcarbonate synthesis reactorENICHEM SINTESI·Filed 1994·Granted Jun 18, 1996·25 cites·8 claims
- 1284US5288839ADiol-terminated polycarbonatesENICHEM SINTESI·Filed 1992·Granted Feb 22, 1994·53 cites·11 claims
- 1383US5686644AProcedure for the production of alkyl carbonatesENICHEM SINTESI·Filed 1994·Granted Nov 11, 1997·21 cites·16 claims
- 1482US5242624AStabilizing mixture for compounds having a photochromatic activityENICHEM SINTESI·Filed 1991·Granted Sep 7, 1993·12 cites·11 claims
- 1582US5186867ASpiro-indoline oxazine compounds with photochromatic and photosensitizing characteristics and the process for their preparationENICHEM SINTESI·Filed 1992·Granted Feb 16, 1993·44 cites·4 claims
- 1682US5155153AStabilizing composition for organic polymersENICHEM SINTESI·Filed 1991·Granted Oct 13, 1992·33 cites·11 claims
- 1782US4952619AOrganic polymer stabilizationENICHEM SINTESI·Filed 1987·Granted Aug 28, 1990·13 cites·23 claims
- 1881US5730908APhotochromatic and thermochromatic compounds and their application in polymeric materialsENICHEM SINTESI·Filed 1994·Granted Mar 24, 1998·25 cites·10 claims
- 1981US5210269AProcess for producing dimethyl carbonateENICHEM SINTESI·Filed 1991·Granted May 11, 1993·29 cites·10 claims
- 2081US5010202ANovel silicon-organic compounds, containing an oxazolidine groupENICHEM SINTESI·Filed 1990·Granted Apr 23, 1991·24 cites·5 claims
- 2181US4824885AProcess of (co) polymerization of alpha-olefins in the presence of antioxidantsENICHEM SINTESI·Filed 1987·Granted Apr 25, 1989·28 cites·11 claims
- 2280US4935063AFillers and pigments possessing organic polymer stabilizing properties and a process for their preparationENICHEM SINTESI·Filed 1988·Granted Jun 19, 1990·33 cites·10 claims
- 2380US4888375AOrganic polymer stabilizationENICHEM SINTESI·Filed 1987·Granted Dec 19, 1989·15 cites·24 claims
- 2479US5357002APolymer containing chelating groups, process for preparing it and its use in water purificationENICHEM SINTESI·Filed 1992·Granted Oct 18, 1994·35 cites·8 claims
- 2578US4743631AAcrylated phosphonoacetic acids as adhesion promoters, method for making, and curable coatings for metalENICHEM SINTESI·Filed 1985·Granted May 10, 1988·18 cites·16 claims
- 2677US5315034AProcedure for the preparation of alkyl isocyanatesENICHEM SINTESI·Filed 1993·Granted May 24, 1994·15 cites·16 claims
- 2777US5280051AComposition for the production of artificial marble or graniteENICHEM SINTESI·Filed 1991·Granted Jan 18, 1994·29 cites·26 claims
- 2876US5811612ACatalytic composition and process for the alkylation or transalkylation of aromatic compoundsENICHEM SINTESI·Filed 1995·Granted Sep 22, 1998·29 cites·16 claims
- 2976US5350786AProcess of (co)polymerization of α-olefins in the presence of stabilizersENICHEM SINTESI·Filed 1993·Granted Sep 27, 1994·28 cites·14 claims
- 3076US5171636APhotochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparationENICHEM SINTESI·Filed 1992·Granted Dec 15, 1992·24 cites·4 claims
- 3176US5116929ACopolyester-diol polycarbonates, process for producing them and their useENICHEM SINTESI·Filed 1989·Granted May 26, 1992·25 cites·11 claims
- 3276US4996283AReactive hot melt compositionENICHEM SINTESI·Filed 1989·Granted Feb 26, 1991·26 cites·14 claims
- 3376US4977259AProcess for preparing reactive stabilizing compoundENICHEM SINTESI·Filed 1987·Granted Dec 11, 1990·9 cites·13 claims
- 3475US5225113APhotochromatic composition endowed with light fatigue resistance and photochromatic articles which contain itENICHEM SINTESI·Filed 1992·Granted Jul 6, 1993·9 cites·6 claims
- 3575US5218116AProcedure for the preparation of nitroxyl radicals of sterically hindered aminesENICHEM SINTESI·Filed 1991·Granted Jun 8, 1993·18 cites·21 claims
- 3675US4946880ASilylated U.V. stabilizers containing hindered tertiary aminesENICHEM SINTESI·Filed 1987·Granted Aug 7, 1990·37 cites·21 claims
- 3775US4671818ACompositions containing heterocyclic compounds and their use as herbicidesENICHEM SINTESI·Filed 1985·Granted Jun 9, 1987·19 cites·5 claims
- 3874US5685957AMethod for removing acidic and salt impurities from an aqueous condensed phase containing dimethylcarbonateENICHEM SINTESI·Filed 1995·Granted Nov 11, 1997·15 cites·8 claims
- 3974US5110922APhotochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparationENICHEM SINTESI·Filed 1991·Granted May 5, 1992·20 cites·7 claims
- 4074US4948888AProcess for the preparation of stabilizers for organic polymersENICHEM SINTESI·Filed 1987·Granted Aug 14, 1990·12 cites·9 claims
- 4173US5302735APolysiloxanic stabilizers containing sterically hindered phenol groups and oxamidic groupsENICHEM SINTESI·Filed 1993·Granted Apr 12, 1994·28 cites·16 claims
- 4273US5202041ASki lubricant comprising paraffinic wax and a hydrocarbon compound containing a perfluoro segmentENICHEM SINTESI·Filed 1991·Granted Apr 13, 1993·20 cites·7 claims
- 4372US5288869APentaerythryl phosphonates and their use in self-extinguishing thermoplastic polymeric compositionsENICHEM SINTESI·Filed 1992·Granted Feb 22, 1994·15 cites·5 claims
- 4471US5089661ANew process for the preparation of 2-aryl-propionic acidsENICHEM SINTESI·Filed 1990·Granted Feb 18, 1992·22 cites·17 claims
- 4570US5055576APhotochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparationENICHEM SINTESI·Filed 1990·Granted Oct 8, 1991·21 cites·3 claims
- 4670US4792417AStainless steels stress corrosion inhibitorsENICHEM SINTESI·Filed 1986·Granted Dec 20, 1988·15 cites·5 claims
- 4770US4659845AProcess for the production of N-methylcarbamatesENICHEM SINTESI·Filed 1985·Granted Apr 21, 1987·22 cites·18 claims
- 4868US5206409AProcess for preparing di-alkyl carbonatesENICHEM SINTESI·Filed 1991·Granted Apr 27, 1993·9 cites·3 claims
- 4968US5159099AContinuous process for preparing di-alkyl carbonatesENICHEM SINTESI·Filed 1991·Granted Oct 27, 1992·9 cites·9 claims
- 5068US4713433ALiquid and polymerizable composition suitable for the production of organic glasses endowed with high abrasion strengthENICHEM SINTESI·Filed 1987·Granted Dec 15, 1987·17 cites·8 claims
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