Inventor
MA ZHENKUN
US41 patents
⚠️ This page may combine multiple inventors who share the name “MA ZHENKUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ABBOTT LAB
20 patentsUS5866549AFeb 2, 1999
6-O-substituted ketolides having antibacterial activity
ABBOTT LAB176 citations99
US6075133AJun 13, 2000
6-O-substituted antibacterial erythromycin ketolides and methods of making
ABBOTT LAB43 citations96
US6054435AApr 25, 2000
6-O-substituted macrolides having antibacterial activity
ABBOTT LAB74 citations95
US6420535B1Jul 16, 2002
6-O-carbamate ketolide derivatives
ABBOTT LAB35 citations93
US6034069AMar 7, 2000
3-'N-modified 6-O-substituted erythromycin ketolide derivatives having antibacterial activity
ABBOTT LAB28 citations93
US6946446B2Sep 20, 2005
Anti-infective agents useful against multidrug-resistant strains of bacteria
ABBOTT LAB21 citations92
US6355620B1Mar 12, 2002
C-2 modified erythromycin derivatives
ABBOTT LAB38 citations92
US6075011AJun 13, 2000
6-O-substituted erythromycin compounds and method for making same
ABBOTT LAB30 citations92
US6028181AFeb 22, 2000
6-0-Substituted antibacterial erythromycin ketolides and methods of making
ABBOTT LAB36 citations92
US5599816AFeb 4, 1997
Quinolizinone type compounds
ABBOTT LAB41 citations92
US5668164ASep 16, 1997
Process for synthesis of chiral cis-and trans-3-amino-4 substituted pyrrolidine compounds
ABBOTT LAB6 citations74
US5618949AApr 8, 1997
Process for synthesis of chiral cis- and trans-3-amino-4-substituted pyrrolidine compounds
ABBOTT LAB9 citations74
US5726182AMar 10, 1998
Quinolizinone type compounds
ABBOTT LAB12 citations73
USRE39591EApr 24, 2007
6-O-substituted ketolides having antibacterial activity
ABBOTT LAB2 citations63
US6667338B2Dec 23, 2003
9-amino erythromycin derivatives with antibacterial activity
ABBOTT LAB2 citations63
US6569836B2May 27, 2003
6-O-alkyl-2-nor-2-substituted ketolide derivatives
ABBOTT LAB4 citations63
US6764996B1Jul 20, 2004
9a-azalides with antibacterial activity
ABBOTT LAB4 citations62
US6933283B2Aug 23, 2005
11-deoxy azalide antibacterials
ABBOTT LAB3 citations60
US6831068B2Dec 14, 2004
Macrolide antibacterial compounds
ABBOTT LAB1 citations48
US6818654B2Nov 16, 2004
Antibacterial compounds
ABBOTT LAB0 citations33
CUMBRE PHARMACEUTICALS INC
8 patentsUS7265107B2Sep 4, 2007
Rifamycin C-11 oxime cyclo derivatives effective against drug-resistant microbes
CUMBRE PHARMACEUTICALS INC3 citations62
US7202246B2Apr 10, 2007
Spiro-rifamycin derivatives targeting RNA polymerase
CUMBRE PHARMACEUTICALS INC3 citations62
US7238694B2Jul 3, 2007
Rifamycin imino derivatives effective against drug-resistant microbes
CUMBRE PHARMACEUTICALS INC6 citations60
US7247634B2Jul 24, 2007
Rifamycin derivatives effective against drug-resistant microbes
CUMBRE PHARMACEUTICALS INC3 citations59
US7229996B2Jun 12, 2007
Rifamycin derivatives
CUMBRE PHARMACEUTICALS INC1 citations50
US7226931B2Jun 5, 2007
(R/S) rifamycin derivatives, their preparations and pharmaceutical compositions
CUMBRE PHARMACEUTICALS INC1 citations50
US7250413B2Jul 31, 2007
C-25 carbamate rifamycin derivatives with activity against drug-resistant microbes
CUMBRE PHARMACEUTICALS INC1 citations49
US7256187B2Aug 14, 2007
Rifamycin C-11 oxime derivatives effective against drug-resistant microbes
CUMBRE PHARMACEUTICALS INC0 citations41