Assignee
MITSUI PETROCHEMICAL IND
977 granted patents·31,665 citations·filing 1971–1999
Top patents by PatentIndex Score
977 records- 0199US5504172APropylene polymer, propylene copolymer, and propylene elastomer prepared using novel bridged indenyl containing metallocenesMITSUI PETROCHEMICAL IND·Filed 1994·Granted Apr 2, 1996·554 cites·6 claims
- 0299US5091352AOlefin polymerization catalyst component, olefin polymerization catalyst and process for the polymerization of olefinsMITSUI PETROCHEMICAL IND·Filed 1989·Granted Feb 25, 1992·316 cites·15 claims
- 0399US4952540AFinely divided aluminoxane, process for producing same and its useMITSUI PETROCHEMICAL IND·Filed 1988·Granted Aug 28, 1990·299 cites·32 claims
- 0499US4874734AProcess for producing solid catalyst for polymerization of olefinsMITSUI PETROCHEMICAL IND·Filed 1988·Granted Oct 17, 1989·316 cites·34 claims
- 0599US4212787AThermoplastic elastomer composition, blends of the composition with olefin plastic, and foamed products of the composition and the blendsMITSUI PETROCHEMICAL IND·Filed 1978·Granted Jul 15, 1980·171 cites·20 claims
- 0698US5218071AEthylene random copolymersMITSUI PETROCHEMICAL IND·Filed 1992·Granted Jun 8, 1993·389 cites·7 claims
- 0798US5206199ACatalyst for polymerizing an olefin and process for polymerizing an olefinMITSUI PETROCHEMICAL IND·Filed 1992·Granted Apr 27, 1993·305 cites·28 claims
- 0898US5204419AProcess for polymerizing olefinsMITSUI PETROCHEMICAL IND·Filed 1987·Granted Apr 20, 1993·268 cites·18 claims
- 0998US4990640ABenzene-insoluble organoaluminum oxy-compounds and process for preparing sameMITSUI PETROCHEMICAL IND·Filed 1989·Granted Feb 5, 1991·116 cites·10 claims
- 1098US4704491ALiquid ethylene-alpha-olefin random copolymer, process for production thereof, and use thereofMITSUI PETROCHEMICAL IND·Filed 1986·Granted Nov 3, 1987·200 cites·11 claims
- 1198US4668752ALinear ethylene copolymerMITSUI PETROCHEMICAL IND·Filed 1984·Granted May 26, 1987·196 cites·4 claims
- 1298US4198327AGrafted polyolefin composition having improved adhesivenessMITSUI PETROCHEMICAL IND·Filed 1976·Granted Apr 15, 1980·122 cites·3 claims
- 1398US3964822AProjection screen and process for production thereofMITSUI PETROCHEMICAL IND·Filed 1974·Granted Jun 22, 1976·43 cites·6 claims
- 1497US4990479AProcess for polymerizing olefins and polymerization catalyst thereforMITSUI PETROCHEMICAL IND·Filed 1989·Granted Feb 5, 1991·206 cites·3 claims
- 1597US4952649AProcess for producing olefin polymers or copolymers and catalyst components used thereforMITSUI PETROCHEMICAL IND·Filed 1988·Granted Aug 28, 1990·162 cites·18 claims
- 1697US4923833ACatalyst for olefin polymerization and processes for its productionMITSUI PETROCHEMICAL IND·Filed 1987·Granted May 8, 1990·121 cites·17 claims
- 1797US4902460AProcess for preparation of molecularly oriented, silane-crosslinked ultra-high-molecular-weight polyethylene molded articleMITSUI PETROCHEMICAL IND·Filed 1988·Granted Feb 20, 1990·98 cites·27 claims
- 1897US4545950AProcess for producing stretched articles of ultrahigh-molecular-weight polyethyleneMITSUI PETROCHEMICAL IND·Filed 1983·Granted Oct 8, 1985·116 cites·10 claims
- 1997US4442276AProcess for polymerizing or copolymerizing olefinsMITSUI PETROCHEMICAL IND·Filed 1982·Granted Apr 10, 1984·152 cites·7 claims
- 2097US4330649AProcess for producing olefin polymers or copolymersMITSUI PETROCHEMICAL IND·Filed 1980·Granted May 18, 1982·196 cites·6 claims
- 2197US4247652AThermoplastic elastomer blends with olefin plastic, and foamed products of the blendsMITSUI PETROCHEMICAL IND·Filed 1979·Granted Jan 27, 1981·97 cites·23 claims
- 2297US4243636AApparatus for the continuous liquid-phase catalytic oxidation of alkyl-substituted aromatic compoundsMITSUI PETROCHEMICAL IND·Filed 1979·Granted Jan 6, 1981·124 cites·11 claims
- 2397US4205021AEthylene copolymersMITSUI PETROCHEMICAL IND·Filed 1978·Granted May 27, 1980·177 cites·12 claims
- 2497US4069169AProcess for preparation of catalyst component supported on high performance carrierMITSUI PETROCHEMICAL IND·Filed 1976·Granted Jan 17, 1978·92 cites·9 claims
- 2596US5580443AProcess for cracking low-quality feed stock and system used for said processMITSUI PETROCHEMICAL IND·Filed 1994·Granted Dec 3, 1996·159 cites·4 claims
- 2696US5573820AProcess for preparing polyesterMITSUI PETROCHEMICAL IND·Filed 1994·Granted Nov 12, 1996·124 cites·24 claims
- 2796US5374700AEthylene copolymerMITSUI PETROCHEMICAL IND·Filed 1991·Granted Dec 20, 1994·83 cites·2 claims
- 2896US5343076ASemiconductor device with an airtight space formed internally within a hollow packageMITSUI PETROCHEMICAL IND·Filed 1993·Granted Aug 30, 1994·320 cites·5 claims
- 2996US5147876A2,6-di,2,4,6-, 2,5,6-tri and 2,4,5,6-tetra-substituted pyrimidines, their pharmaceutically acceptable salts, pharmaceutical compositions containing same and their use in the treatment of neurological diseasesMITSUI PETROCHEMICAL IND·Filed 1989·Granted Sep 15, 1992·177 cites·9 claims
- 3096US5108820ASoft nonwoven fabric of filamentsMITSUI PETROCHEMICAL IND·Filed 1990·Granted Apr 28, 1992·874 cites·2 claims
- 3196US4992511ACyclo-olefinic random copolymer composition and reaction product thereofMITSUI PETROCHEMICAL IND·Filed 1989·Granted Feb 12, 1991·90 cites·24 claims
- 3296US4921825ASolid catalyst for olefin polymerization and processes for its productionMITSUI PETROCHEMICAL IND·Filed 1987·Granted May 1, 1990·100 cites·26 claims
- 3396US4894281AFiber-reinforced polymer molded bodyMITSUI PETROCHEMICAL IND·Filed 1988·Granted Jan 16, 1990·106 cites·13 claims
- 3496US4827025AProcess for the production of aromatic carboxylic acidsMITSUI PETROCHEMICAL IND·Filed 1987·Granted May 2, 1989·120 cites·8 claims
- 3596US4513049AElectret articleMITSUI PETROCHEMICAL IND·Filed 1983·Granted Apr 23, 1985·98 cites·10 claims
- 3696US4379870AReinforcing material for hydraulic substances and method for the production thereofMITSUI PETROCHEMICAL IND·Filed 1981·Granted Apr 12, 1983·48 cites·8 claims
- 3796US4182581APipe for underdrainingMITSUI PETROCHEMICAL IND·Filed 1978·Granted Jan 8, 1980·69 cites·8 claims
- 3896US4143223AProcess for polymerizing alpha-olefins and catalyst thereforMITSUI PETROCHEMICAL IND·Filed 1977·Granted Mar 6, 1979·85 cites·4 claims
- 3996US4071672AProcess for polymerizing or copolymerizing olefinsMITSUI PETROCHEMICAL IND·Filed 1975·Granted Jan 31, 1978·79 cites·26 claims
- 4096US4071674AProcess for polymerization or copolymerization of olefin and catalyst compositions used thereforMITSUI PETROCHEMICAL IND·Filed 1976·Granted Jan 31, 1978·120 cites·10 claims
- 4195US5292845AEthylene/alpha-olefin/7-methyl-1,6-octadiene copolymer rubber and composition of the sameMITSUI PETROCHEMICAL IND·Filed 1993·Granted Mar 8, 1994·217 cites·12 claims
- 4295US5166420AProcess for the production of high purity terephthalic acidMITSUI PETROCHEMICAL IND·Filed 1991·Granted Nov 24, 1992·76 cites·8 claims
- 4395US5153158ASolid catalyst components for olefin polymerization and processes for the polymerization of olefin using sameMITSUI PETROCHEMICAL IND·Filed 1990·Granted Oct 6, 1992·115 cites·8 claims
- 4495US5028671AProcess for polymerization of olefins and polymerization catalystMITSUI PETROCHEMICAL IND·Filed 1989·Granted Jul 2, 1991·113 cites·19 claims
- 4595US5017729APhenol preparation process and propylene recovery therefromMITSUI PETROCHEMICAL IND·Filed 1989·Granted May 21, 1991·56 cites·5 claims
- 4695US5015786APreparation of cumene through alkylation of an aromatic compound and preparation of phenol through cumeneMITSUI PETROCHEMICAL IND·Filed 1989·Granted May 14, 1991·68 cites·7 claims
- 4795US5003019ACyclo-olefinic random copolymer, olefinic random copolymer, and process for producing cyclo-olefinic random copolymersMITSUI PETROCHEMICAL IND·Filed 1988·Granted Mar 26, 1991·76 cites·29 claims
- 4895US5001008AReinforcing fibrous materialMITSUI PETROCHEMICAL IND·Filed 1988·Granted Mar 19, 1991·99 cites·15 claims
- 4995US4826415AMelt blow dieMITSUI PETROCHEMICAL IND·Filed 1987·Granted May 2, 1989·101 cites·8 claims
- 5095US4810612AHeat-fixable electrophotographic toner compositionMITSUI PETROCHEMICAL IND·Filed 1988·Granted Mar 7, 1989·52 cites·21 claims
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