Inventor · disambiguated record
John R. Fritch
Also filed as: FRITCH JOHN · FRITCH JOHN R · FRITCH JOHN ROBERT
15 granted patents·1 pending application·476 citations·filing 1986–2007
94Inventor score
Files withHOECHST CELANESE CORP7CELANESE INT CORP2FRITCH JOHN R2GHARBAOUI TAWFIK2ARENA PHARAMACEUTICALS INC1
Top patents by PatentIndex Score
16 records- 0195US5377447ALandscape edging apparatus and methodFiled 1992·Granted Jan 3, 1995·108 cites·2 claims
- 0294US6852877B1Process for the production of vinyl acetateCELANESE INT CORP·Filed 2000·Granted Feb 8, 2005·92 cites·7 claims
- 0393US5157867ALandscape edging apparatus and methodFRITCH JOHN R·Filed 1989·Granted Oct 27, 1992·90 cites·27 claims
- 0490US4831776ALandscape edging apparatus and methodFRITCH JOHN R·Filed 1986·Granted May 23, 1989·67 cites·27 claims
- 0589US8299241B2Processes for preparing (R)-8-chloro-1-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine and intermediates thereofGHARBAOUI TAWFIK·Filed 2007·Granted Oct 30, 2012·18 cites·66 claims
- 0688US5332834ARacemization of an enantomerically enriched α-aryl carboxylic acidHOECHST CELANESE CORP·Filed 1992·Granted Jul 26, 1994·36 cites·3 claims
- 0786US5380867ASelective precipitation of α-aryl carboxylic acid saltsHOECHST CELANESE CORP·Filed 1993·Granted Jan 10, 1995·27 cites·29 claims
- 0878US6790983B1Integrated process for the production of vinyl acetateCELANESE INT CORP·Filed 2000·Granted Sep 14, 2004·10 cites·6 claims
- 0976US7812159B2Processes for preparing aromatic ethersARENA PHARAMACEUTICALS INC·Filed 2006·Granted Oct 12, 2010·10 cites·43 claims
- 1066US7812176B2Processes for preparing substituted N-aryl-N′-[3-(1H-pyrazol-5-YL) phenyl] ureas and intermediates thereofARENA PHARM INC·Filed 2004·Granted Oct 12, 2010·4 cites·37 claims
- 1153US5405987AProcess for preparing pyridine and quinoline derivativesHOECHST CELANESE CORP·Filed 1991·Granted Apr 11, 1995·4 cites·9 claims
- 1253US5155273AProduction of acetaminophenHOECHST CELANESE CORP·Filed 1990·Granted Oct 13, 1992·6 cites·41 claims
- 1343US4954652AProduction of acetaminophenHOECHST CELANESE CORP·Filed 1988·Granted Sep 4, 1990·2 cites·16 claims
- 1439US2008194836A1Process for Preparing Substituted Phenylpyrazole UreasGHARBAOUI TAWFIK·Filed 2006·Application pending·0 cites
- 1538US5399707ASelective precipitation of α-aryl carboxylic acid saltsHOECHST CELANESE CORP·Filed 1994·Granted Mar 21, 1995·1 cites·17 claims
- 1633US5322948AProcess for preparing pyridinecarboxylic acid derivativesHOECHST CELANESE CORP·Filed 1992·Granted Jun 21, 1994·1 cites·41 claims
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