Inventor · disambiguated record
Grace O. Tsien
Also filed as: TSIEN GRACE · TSIEN GRACE O
16 granted patents·1 pending application·965 citations·filing 1981–2002
95Inventor score
Files withMOBIL OIL CORP6EXXONMOBIL OIL CORP5UNIVATION TECH LLC2RHONE POULENC AGROCHIMIE1RHONE POULENC IND1
Top patents by PatentIndex Score
17 records- 0198US5539076ABimodal molecular weight distribution polyolefinsMOBIL OIL CORP·Filed 1995·Granted Jul 23, 1996·231 cites·23 claims
- 0298US5525678AProcess for controlling the MWD of a broad/bimodal resin produced in a single reactorMOBIL OIL CORP·Filed 1994·Granted Jun 11, 1996·317 cites·30 claims
- 0395US5882750ASingle reactor bimodal HMW-HDPE film resin with improved bubble stabilityMOBIL OIL CORP·Filed 1995·Granted Mar 16, 1999·110 cites·41 claims
- 0491US5614456ACatalyst for bimodal molecular weight distribution ethylene polymers and copolymersMOBIL OIL CORP·Filed 1994·Granted Mar 25, 1997·72 cites·16 claims
- 0584US6410474B1Process for controlling the MWD of a broad/bimodal resin in a single reactorEXXONMOBIL OIL CORP·Filed 1997·Granted Jun 25, 2002·49 cites·47 claims
- 0683US5034364AMultiple chromium compound-containing catalyst composition and olefin polymerization therewithMOBIL OIL CORP·Filed 1989·Granted Jul 23, 1991·44 cites·30 claims
- 0780US6417130B1One pot preparation of bimetallic catalysts for ethylene 1-olefin copolymerizationEXXONMOBIL OIL CORP·Filed 1996·Granted Jul 9, 2002·31 cites·11 claims
- 0879US5126414AControl of oligomer level in low pressure polyethylene reactor systemsMOBIL OIL CORP·Filed 1991·Granted Jun 30, 1992·61 cites·10 claims
- 0972US6569963B2Process for controlling the MWD of a broad or bimodal resin in a single reactorEXXONMOBIL OIL CORP·Filed 2002·Granted May 27, 2003·8 cites·2 claims
- 1066US6713425B2One pot preparation of bimetallic catalysts for ethylene 1-olefin copolymerizationUNIVATION TECH LLC·Filed 2002·Granted Mar 30, 2004·5 cites·9 claims
- 1161US6855654B2Bimetallic catalyst for ethylene polymerization reactions with uniform component distributionEXXONMOBIL OIL CORP·Filed 2002·Granted Feb 15, 2005·3 cites·18 claims
- 1260US6740617B2One pot preparation of bimetallic catalysts for ethylene 1-olefin copolymerizationUNIVATION TECH LLC·Filed 2002·Granted May 25, 2004·3 cites·3 claims
- 1360US6486089B1Bimetallic catalyst for ethylene polymerization reactions with uniform component distributionEXXONMOBIL OIL CORP·Filed 1995·Granted Nov 26, 2002·18 cites·12 claims
- 1457US4594440AProcess for recovering and purifying herbicidal phenoxybenzoic acid derivativesRHONE PULENC INC·Filed 1983·Granted Jun 10, 1986·6 cites·10 claims
- 1550US4405805AProcess for recovering and purifying herbicidal phenoxybenzoic acid derivativesRHONE POULENC IND·Filed 1981·Granted Sep 20, 1983·3 cites·8 claims
- 1643US2002156206A1Process for controlling the MWD of a broad/bimodal resin in a single reactorFiled 2002·Application pending·0 cites
- 1738US4401623AUse of calcium chloride to minimize hydrofluoric acid corrosion to glass during the chlorination of 4-chlorobenzotrifluorideRHONE POULENC AGROCHIMIE·Filed 1981·Granted Aug 30, 1983·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →