Inventor
HOFER PETER
CH43 patents
⚠️ This page may combine multiple inventors who share the name “HOFER PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EURO CELTIQUE SA
29 patentsUS6228859B1May 8, 2001
Purine derivatives having phosphodiesterase IV inhibition activity
EURO CELTIQUE SA32 citations95
US6066641AMay 23, 2000
Aryl thioxanthines
EURO CELTIQUE SA21 citations92
US5864037AJan 26, 1999
Methods for the synthesis of chemical compounds having PDE-IV inhibitory activity
EURO CELTIQUE SA46 citations92
US5665737ASep 9, 1997
Substituted benzoxazoles
EURO CELTIQUE SA30 citations92
US4925847AMay 15, 1990
6-thioxanthines
EURO CELTIQUE SA23 citations92
US6319928B1Nov 20, 2001
Purine derivatives having phosphodiesterase IV inhibition activity
EURO CELTIQUE SA27 citations91
US6211367B1Apr 3, 2001
Methods of Synthesing Purine Compounds Having PDE Iv Inhibitory Activity
EURO CELTIQUE SA23 citations90
US5939422AAug 17, 1999
Chemical compounds having PDE-IV inhibition activity
EURO CELTIQUE SA21 citations87
US6025361AFeb 15, 2000
Trisubstituted thioxanthines
EURO CELTIQUE SA16 citations84
US6413975B1Jul 2, 2002
Purine derivatives having phosphodiesterase iv inhibition activity
EURO CELTIQUE SA17 citations83
US6294541B1Sep 25, 2001
Purine derivatives having phosphodiesterase IV inhibition activity
EURO CELTIQUE SA15 citations83
US6057445AMay 2, 2000
Purine compounds having PDE IV inhibitory activity and methods of synthesis
EURO CELTIQUE SA12 citations82
US6040447AMar 21, 2000
Purine compounds having PDE IV inhibitory activity and methods of synthesis
EURO CELTIQUE SA13 citations82
US6037470AMar 14, 2000
Purine compounds having PDE IV inhibitory activity and methods of synthesis
EURO CELTIQUE SA12 citations82
US4820709AApr 11, 1989
6-thioxanthine derivatives
EURO CELTIQUE SA19 citations82
US4710503ADec 1, 1987
6-thioxanthine derivatives
EURO CELTIQUE SA23 citations82
US6310205B1Oct 30, 2001
Hypoxathine compounds
EURO CELTIQUE SA13 citations74
US6248746B1Jun 19, 2001
3-(arylalkyl) xanthines
EURO CELTIQUE SA8 citations74
US5744473AApr 28, 1998
PDE IV inhibitors: "bis-compounds"
EURO CELTIQUE SA16 citations74
US5010081AApr 23, 1991
6-thioxanthines
EURO CELTIQUE SA10 citations74
US4719106AJan 12, 1988
Iodophor composition with immediate and long action microbicidal action
EURO CELTIQUE SA9 citations73
US6372770B1Apr 16, 2002
Benzoxazoles
EURO CELTIQUE SA10 citations72
US6075016AJun 13, 2000
6,5-fused aromatic ring systems having enhanced phosphodiesterase IV inhibitory activity
EURO CELTIQUE SA7 citations72
US4898729AFeb 6, 1990
Treatment of hypertension, compounds and compositions for antihypertension and diuresis
EURO CELTIQUE SA17 citations70
US6268373B1Jul 31, 2001
Trisubstituted thioxanthines
EURO CELTIQUE SA4 citations63
US6090816AJul 18, 2000
Aryl thioxanthines
EURO CELTIQUE SA1 citations62
US6440979B1Aug 27, 2002
Aryl isoguanines
EURO CELTIQUE SA0 citations52
US6365606B1Apr 2, 2002
6,5-fused aromatic ring systems having enhanced phosphodiesterase IV inhibitory activity
EURO CELTIQUE SA0 citations51
US5977119ANov 2, 1999
Trisubstituted thioxanthines
EURO CELTIQUE SA1 citations51
PURDUE FREDERICK CO
5 patentsUS4476311AOct 9, 1984
Analgesic 4-carboxy-pyrrolidin-2-one compound
PURDUE FREDERICK CO18 citations79
US4443616AApr 17, 1984
Production of 3-pyrrolin-2-ones
PURDUE FREDERICK CO8 citations74
US4214059AJul 22, 1980
Method for the production of iodophor powders
PURDUE FREDERICK CO7 citations74
US4731457AMar 15, 1988
1-substituted, 2,3-diphenyl-3-hydroxymethyl pyrrolidines, where the 2- and/or 3-phenyl can be substituted
PURDUE FREDERICK CO0 citations49
US4639529AJan 27, 1987
Analgesic and anti-inflammatory compounds
PURDUE FREDERICK CO0 citations49