Inventor
SEIFERT GOTTFRIED
CH19 patents
⚠️ This page may combine multiple inventors who share the name “SEIFERT GOTTFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIBA GEIGY CORP
7 patentsUS5637763AJun 10, 1997
Process for the preparation of substituted benzenes and benzene sulfonic acid and derivatives thereof and a process for the preparation of N,N'-substituted ureas
CIBA GEIGY CORP7 citations73
US5508402AApr 16, 1996
Process for the preparation of N,N'-substituted ureas
CIBA GEIGY CORP6 citations73
US3996291ADec 7, 1976
Process for the production of 4-hydroxy-3,5-dibromobenzaldehyde
CIBA GEIGY CORP8 citations67
US4900827AFeb 13, 1990
Process for the preparation of pyrimidine derivatives
CIBA GEIGY CORP5 citations60
US4880571ANov 14, 1989
Process for the preparation of 5-nitro-1,4-naphthoquinone
CIBA GEIGY CORP2 citations57
US4922008AMay 1, 1990
Process for the production of 4-nitrotoluene-2-sulfonic acid
CIBA GEIGY CORP4 citations54
US4770818ASep 13, 1988
Process for the preparation of 1-aminoanthraquinones
CIBA GEIGY CORP0 citations50
SYNGENTA CROP PROT INC
5 patentsUS6677457B2Jan 13, 2004
Process for the preparation of thiazole derivatives
SYNGENTA CROP PROT INC0 citations51
US6657085B2Dec 2, 2003
Process for the preparation of aniline compounds
SYNGENTA CROP PROT INC0 citations51
US6369233B1Apr 9, 2002
Process for the preparation of thiazole derivatives
SYNGENTA CROP PROT INC0 citations51
US6861522B2Mar 1, 2005
Process for the manufacture of thiazole derivatives with pesticidal activity
SYNGENTA CROP PROT INC0 citations40
US6747146B2Jun 8, 2004
Method of producing nitroguanidine- and nitroenamine derivatives
SYNGENTA CROP PROT INC0 citations36