Inventor · disambiguated record
John Clifford Head
Also filed as: HEAD JOHN · HEAD JOHN C · HEAD JOHN CLIFFORD
40 granted patents·5 pending applications·1,042 citations·filing 1987–2009
98Inventor score
Files withCELLTECH R&D LTD19CELLTECH THERAPEUTICS LTD16UCB PHARMA SA4CELLTECH THERAPEUTIS LTD1SCHERING AG1
Top patents by PatentIndex Score
45 records- 0197US5622977ATri-substituted (aryl or heteroaryl) derivatives and pharmaceutical compositions containing the sameCELLTECH THERAPEUTICS LTD·Filed 1995·Granted Apr 22, 1997·107 cites·29 claims
- 0295US6369229B1Pyridylalanine derivativesCELLTECH THERAPEUTICS LTD·Filed 2000·Granted Apr 9, 2002·83 cites·9 claims
- 0395US5608070AEnantioselective process for the preparation of chiral triaryl derivatives and chiral intermediates for use thereinCELLTECH THERAPEUTICS LTD·Filed 1994·Granted Mar 4, 1997·70 cites·16 claims
- 0494US5693659ASubstituted oxime derivatives and processes for their preparationCELLTECH THERAPEUTICS LTD·Filed 1995·Granted Dec 2, 1997·81 cites·18 claims
- 0593US6518283B1Squaric acid derivativesCELLTECH R&D LTD·Filed 2000·Granted Feb 11, 2003·64 cites·22 claims
- 0693US5849770ATri-substituted phenyl derivatives useful as PDE IV inhibitorsCELLTECH THERAPEUTICS LTD·Filed 1996·Granted Dec 15, 1998·141 cites·28 claims
- 0788US4889553AHerbicidesSCHERING AGROCHEMICALS LTD·Filed 1987·Granted Dec 26, 1989·42 cites·18 claims
- 0887US6878718B2Phenylalanine enamide derivativesCELLTECH R&D LTD·Filed 2002·Granted Apr 12, 2005·17 cites·8 claims
- 0987US5780477ATrisubstituted phenyl derivatives and processes for their preparationCELLTECH THERAPEUTICS LTD·Filed 1995·Granted Jul 14, 1998·64 cites·24 claims
- 1086US4959094A1-chloropyrimidinyl-1H-1,2,4-triazole-3-sulphonamides as herbicidesSCHERING AG·Filed 1989·Granted Sep 25, 1990·25 cites·16 claims
- 1185US6110945AAromatic amine derivativesCELLTECH THERAPEUTICS LTD·Filed 1999·Granted Aug 29, 2000·57 cites·10 claims
- 1284US6677339B2Phenylalanine derivativesCELLTECH R&D LTD·Filed 2001·Granted Jan 13, 2004·19 cites·10 claims
- 1381US7501437B2Phenylalanine enamide derivativesUCB PHARMA SA·Filed 2007·Granted Mar 10, 2009·3 cites·24 claims
- 1480US7122556B2Phenylalanine enamide derivativesCELLTECH R&D LTD·Filed 2004·Granted Oct 17, 2006·9 cites·25 claims
- 1580US6610700B2Enamine derivativesCELLTECH R&D LTD·Filed 2001·Granted Aug 26, 2003·13 cites·11 claims
- 1677US6362204B1Phenylalanine derivativesCELLTECH THERAPEUTICS LTD·Filed 1999·Granted Mar 26, 2002·21 cites·9 claims
- 1776US7645770B2Phenylalanine enamide derivativesUCB PHARMA SA·Filed 2008·Granted Jan 12, 2010·1 cites·21 claims
- 1876US6780874B2Enamine derivativesCELLTECH R&D LTD·Filed 2003·Granted Aug 24, 2004·8 cites·20 claims
- 1975US7786177B2Phenylalanine enamide derivativesUCB PHARMA SA·Filed 2009·Granted Aug 31, 2010·1 cites·23 claims
- 2075US7531549B2Phenylalanine enamide derivativesUCB PHARMA SA·Filed 2006·Granted May 12, 2009·1 cites·24 claims
- 2175US6297264B1Trisubstituted phenyl derivatives and process for their preparationCELLTECH THERAPEUTICS LTD·Filed 1998·Granted Oct 2, 2001·33 cites·6 claims
- 2272US6348463B1Phenylalanine derivativesCELLTECH THERAPEUTICS LTD·Filed 1999·Granted Feb 19, 2002·28 cites·12 claims
- 2372US6329372B1Phenylalanine derivativesCELLTECH THERAPEUTICS LTD·Filed 1999·Granted Dec 11, 2001·27 cites·19 claims
- 2471US6093696ATyrosine derivativesCELLTECH THERAPEUTICS LTD·Filed 1998·Granted Jul 25, 2000·30 cites·20 claims
- 2567US6455539B2Squaric acid derivatesCELLTECH R&D LTD·Filed 2000·Granted Sep 24, 2002·4 cites·19 claims
- 2667US6403608B13-Substituted isoquinolin-1-yl derivativesCELLTECH R&D LTD·Filed 2001·Granted Jun 11, 2002·3 cites·19 claims
- 2767US6197794B1Phenylalanine derivativesCELLTECH THERAPEUTICS LTD·Filed 1999·Granted Mar 6, 2001·25 cites·24 claims
- 2866US6534513B1Phenylalkanoic acid derivativesCELLTECH R&D LTD·Filed 1999·Granted Mar 18, 2003·11 cites·9 claims
- 2961US6555562B1Phenylalanine derivativesCELLTECH R&D LTD·Filed 1999·Granted Apr 29, 2003·13 cites·9 claims
- 3059US6469025B13-substituted isoquinolin-1-yl derivativesCELLTECH R&D LTD·Filed 2001·Granted Oct 22, 2002·1 cites·27 claims
- 3156US6953798B1β-alanine derivatesCELLTECH R&D LTD·Filed 1999·Granted Oct 11, 2005·13 cites·20 claims
- 3256US6911451B1Phenylalanine derivativesCELLTECH R&D LTD·Filed 1999·Granted Jun 28, 2005·12 cites·9 claims
- 3355US2005215598A1Phenylalanine derivativesCELLTECH R&D LTD·Filed 2005·Application pending·0 cites
- 3453US2003166691A1Phenylalanine derivativesFiled 2003·Application pending·0 cites
- 3549US2003162799A1Squaric acid derivativesFiled 2002·Application pending·0 cites
- 3649US2003119853A1Thiocarboxamide derivativesFiled 2002·Application pending·0 cites
- 3748US6329362B1Cinnamic acid derivativesCELLTECH THERAPEUTICS LTD·Filed 1999·Granted Dec 11, 2001·7 cites·16 claims
- 3847US2002035127A1Phenylalanine derivativesCELLTECH THERAPEUTIS LTD·Filed 2001·Application pending·0 cites
- 3944US6521626B1Thiocarboxamide derivativesCELLTECH R&D LTD·Filed 1999·Granted Feb 18, 2003·4 cites·20 claims
- 4041US6603041B2Bicyclic enamide derivativesCELLTECH R&D LTD·Filed 2001·Granted Aug 5, 2003·0 cites·23 claims
- 4140US6740654B2Squaric acid derivativesCELLTECH R&D LTD·Filed 2001·Granted May 25, 2004·0 cites·24 claims
- 4240US6545013B22,7-naphthyridine derivativesCELLTECH R&D LTD·Filed 2001·Granted Apr 8, 2003·0 cites·20 claims
- 4340US6274577B1BenzodiazepinesCELLTECH THERAPEUTICS LTD·Filed 1999·Granted Aug 14, 2001·3 cites·8 claims
- 4438US6593338B23-substituted 2,7-naphthyridin-1-yl derivativesCELLTECH R&D LTD·Filed 2001·Granted Jul 15, 2003·0 cites·25 claims
- 4535US6465471B1Cinnamic acid derivativesCELLTECH THERAPEUTICS LTD·Filed 1999·Granted Oct 15, 2002·1 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →