Inventor

ISENRING HANS P

CH6 patents

⚠️ This page may combine multiple inventors who share the name “ISENRING HANS P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOFFMANN LA ROCHE

3 patents

US4652651AMar 24, 1987

Process for the manufacture of 1-sulpho-2-oxoazetidine carboxylic acid intermediates via catalytic ester cleavage

HOFFMANN LA ROCHE21 citations80

US4816582AMar 28, 1989

Antimicrobial 2-oxo-1-azetidinesulphonic acids

HOFFMANN LA ROCHE10 citations71

US4948898AAug 14, 1990

Process for the manufacture of 1-sulpho-2-oxoazetidine derivatives

HOFFMANN LA ROCHE4 citations60

CIBA GEIGY CORP

2 patents

US5288928AFeb 22, 1994

Asymmetrical hydrogenation

CIBA GEIGY CORP7 citations72

US5036074AJul 30, 1991

Certain 2,4-dichloro-phenyl(loweralkylidene) pyridines having fungicidal activity

CIBA GEIGY CORP1 citations49

NOVARTIS FINANCE CORP

1 patent

US5965613AOct 12, 1999

Derivatives of acrylic acid

NOVARTIS FINANCE CORP21 citations87