Inventor
PREISS MICHAEL
41 patents
⚠️ This page may combine multiple inventors who share the name “PREISS MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
25 patentsUS4600778AJul 15, 1986
Process for the preparation of 1,4-dihydropyridinedicarboxylic esters
BAYER AG19 citations78
US5155223AOct 13, 1992
Preparation of quinolinecarboxylic acids
BAYER AG19 citations74
US4386089AMay 31, 1983
β-Lactam antibiotics and their medicinal use
BAYER AG10 citations74
US4147693AApr 3, 1979
βLactam antibiotics and process for their use
BAYER AG8 citations74
US4200576AApr 29, 1980
Beta-lactam antibiotics
BAYER AG8 citations73
US4389489AJun 21, 1983
Optically pure heterocyclic aminoacid compounds, a process for their use for the synthesis of medicaments
BAYER AG15 citations72
US4973590ANov 27, 1990
Process for the preparation of quinolonecarboxylic acids which can be administered parenterally
BAYER AG13 citations70
US4294827AOct 13, 1981
Antibacterial and growth promoting β-lactam antibiotics carrying an -ylidene-2-pyrrolidinon-1-yl radical
BAYER AG3 citations63
US4235774ANov 25, 1980
Penicillin derivatives
BAYER AG5 citations63
US4223037ASep 16, 1980
β-Lactam antibiotics and their use
BAYER AG4 citations63
US4107304AAug 15, 1978
Oxo-imidazolidine substituted cephalosporins and antibacterial compositions and methods of combatting bacteria employing them
BAYER AG5 citations63
US4093722AJun 6, 1978
Sulfonylimidazolidone substituted cephalosporins, antibacterial compositions containing them, and methods of combatting bacteria employing them
BAYER AG3 citations63
US4086340AApr 25, 1978
Cephalosporins and their production
BAYER AG3 citations63
US4450297AMay 22, 1984
Preparation of o-nitrobenzaldehyde
BAYER AG3 citations62
US4215118AJul 29, 1980
2-Hetero-acetamido-penicillanates and cephalosporinates
BAYER AG3 citations62
US4086341AApr 25, 1978
Cephalosporin derivatives
BAYER AG2 citations62
US4029806AJun 14, 1977
Nitro-β-lactam antibiotics and processes for their preparation and use
BAYER AG4 citations62
US4012518AMar 15, 1977
Nitro-β-lactam antibiotics and processes for their preparation and use
BAYER AG2 citations62
US6172259B1Jan 9, 2001
Production of enantiomer-free biarylketocarboxylic acids
BAYER AG1 citations52
US4633007ADec 30, 1986
Preparation of benzylidene compounds
BAYER AG0 citations52
US4251524AFeb 17, 1981
β-Lactam antibiotics
BAYER AG1 citations52
US4208412AJun 17, 1980
β-Lactam antibiotics
BAYER AG1 citations52
US4182762AJan 8, 1980
Dioxopiperazine derivatives suitable for use as medicaments and β-lactam antibiotic intermediates
BAYER AG1 citations52
US4338434AJul 6, 1982
2-Hetero-acetamido-cephalosporinates
BAYER AG1 citations50
US5095112AMar 10, 1992
Process for the preparation of quinolonecarboxylic acid esters
BAYER AG0 citations42
PORSCHE AG
14 patentsUS6033010AMar 7, 2000
Air guiding arrangement for a motor vehicle front end
PORSCHE AG74 citations96
US4805747AFeb 21, 1989
Arrangement for supplying cooling air to a brake disk
PORSCHE AG58 citations93
US7226117B2Jun 5, 2007
Rear-end spoiler for a full-rear vehicle
PORSCHE AG27 citations92
US5678884AOct 21, 1997
Air guide device with air intake openings
PORSCHE AG37 citations92
US4901826AFeb 20, 1990
Vehicle equipped with air-cooled wheel brakes
PORSCHE AG23 citations92
US6622807B2Sep 23, 2003
Cooling air system for motor vehicles and method of making and using same
PORSCHE AG17 citations84
USD512668SDec 13, 2005
Surface configuration of a vehicle spoiler
PORSCHE AG11 citations74
US6116365ASep 12, 2000
Arrangement for ventilating an assembly on a vehicle
PORSCHE AG12 citations74
US5836643ANov 17, 1998
Vehicle roof
PORSCHE AG13 citations74
US5025878AJun 25, 1991
Aerodynamically constructed cover part for the underside of a motor vehicle
PORSCHE AG11 citations74
US10807656B2Oct 20, 2020
Air directing apparatus for a motor vehicle
PORSCHE AG4 citations72
US6357562B1Mar 19, 2002
Aerodynamic wheel-bearing housing
PORSCHE AG8 citations69
US5797647AAug 25, 1998
Vehicle body
PORSCHE AG14 citations68
US7810443B2Oct 12, 2010
Motorboat having a cabin windscreen
PORSCHE AG2 citations63