Inventor
HEAD JOHN CLIFFORD
GB30 patents
⚠️ This page may combine multiple inventors who share the name “HEAD JOHN CLIFFORD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CELLTECH R&D LTD
16 patentsUS6518283B1Feb 11, 2003
Squaric acid derivatives
CELLTECH R&D LTD64 citations96
US6677339B2Jan 13, 2004
Phenylalanine derivatives
CELLTECH R&D LTD19 citations92
US6953798B1Oct 11, 2005
β-alanine derivates
CELLTECH R&D LTD13 citations84
US6911451B1Jun 28, 2005
Phenylalanine derivatives
CELLTECH R&D LTD12 citations84
US6555562B1Apr 29, 2003
Phenylalanine derivatives
CELLTECH R&D LTD13 citations84
US6610700B2Aug 26, 2003
Enamine derivatives
CELLTECH R&D LTD13 citations83
US6534513B1Mar 18, 2003
Phenylalkanoic acid derivatives
CELLTECH R&D LTD11 citations74
US6780874B2Aug 24, 2004
Enamine derivatives
CELLTECH R&D LTD8 citations73
US6521626B1Feb 18, 2003
Thiocarboxamide derivatives
CELLTECH R&D LTD4 citations63
US6455539B2Sep 24, 2002
Squaric acid derivates
CELLTECH R&D LTD4 citations62
US6403608B1Jun 11, 2002
3-Substituted isoquinolin-1-yl derivatives
CELLTECH R&D LTD3 citations62
US6469025B1Oct 22, 2002
3-substituted isoquinolin-1-yl derivatives
CELLTECH R&D LTD1 citations49
US6740654B2May 25, 2004
Squaric acid derivatives
CELLTECH R&D LTD0 citations41
US6603041B2Aug 5, 2003
Bicyclic enamide derivatives
CELLTECH R&D LTD0 citations41
US6545013B2Apr 8, 2003
2,7-naphthyridine derivatives
CELLTECH R&D LTD0 citations41
US6593338B2Jul 15, 2003
3-substituted 2,7-naphthyridin-1-yl derivatives
CELLTECH R&D LTD0 citations39
CELLTECH THERAPEUTICS LTD
14 patentsUS6369229B1Apr 9, 2002
Pyridylalanine derivatives
CELLTECH THERAPEUTICS LTD83 citations98
US5849770ADec 15, 1998
Tri-substituted phenyl derivatives useful as PDE IV inhibitors
CELLTECH THERAPEUTICS LTD141 citations97
US6110945AAug 29, 2000
Aromatic amine derivatives
CELLTECH THERAPEUTICS LTD57 citations96
US5780477AJul 14, 1998
Trisubstituted phenyl derivatives and processes for their preparation
CELLTECH THERAPEUTICS LTD64 citations96
US5693659ADec 2, 1997
Substituted oxime derivatives and processes for their preparation
CELLTECH THERAPEUTICS LTD81 citations96
US6362204B1Mar 26, 2002
Phenylalanine derivatives
CELLTECH THERAPEUTICS LTD21 citations92
US6348463B1Feb 19, 2002
Phenylalanine derivatives
CELLTECH THERAPEUTICS LTD28 citations92
US6329372B1Dec 11, 2001
Phenylalanine derivatives
CELLTECH THERAPEUTICS LTD27 citations92
US6297264B1Oct 2, 2001
Trisubstituted phenyl derivatives and process for their preparation
CELLTECH THERAPEUTICS LTD33 citations92
US6197794B1Mar 6, 2001
Phenylalanine derivatives
CELLTECH THERAPEUTICS LTD25 citations92
US6093696AJul 25, 2000
Tyrosine derivatives
CELLTECH THERAPEUTICS LTD30 citations92
US6329362B1Dec 11, 2001
Cinnamic acid derivatives
CELLTECH THERAPEUTICS LTD7 citations74
US6274577B1Aug 14, 2001
Benzodiazepines
CELLTECH THERAPEUTICS LTD3 citations63
US6465471B1Oct 15, 2002
Cinnamic acid derivatives
CELLTECH THERAPEUTICS LTD1 citations52