Inventor
LACHHEIN STEPHEN
DE16 patents
⚠️ This page may combine multiple inventors who share the name “LACHHEIN STEPHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
15 patentsUS4599207AJul 8, 1986
Process for the preparation of phosphorus-containing cyanohydrin derivatives
HOECHST AG34 citations92
US4824949AApr 25, 1989
Process for the preparation of pyrimidines
HOECHST AG23 citations81
US4831138AMay 16, 1989
Process for the preparation of aminopyrimidines
HOECHST AG9 citations72
US5166385ANov 24, 1992
Process for the preparation of phosphino compounds
HOECHST AG7 citations69
US5155222AOct 13, 1992
Process for the preparation of n-alkylsulfonylaminosulfonylureas
HOECHST AG4 citations62
US5013444AMay 7, 1991
Process for separating off enol ethers from reaction mixtures containing alcohols
HOECHST AG3 citations62
US4792610ADec 20, 1988
Process for the preparation of 5-phenylsulfinyl-1H-2-(methoxycarbonylamino)-benzimidazole
HOECHST AG3 citations62
US5414084AMay 9, 1995
Process for the preparation of sulfonylureas
HOECHST AG1 citations52
US5208337AMay 4, 1993
Process for the preparation of aminopyrimidines
HOECHST AG0 citations51
US5124470AJun 23, 1992
Process for the preparation of arylalkylmethylsilanes
HOECHST AG0 citations51
US5070201ADec 3, 1991
Process for the preparation of aminopyrimidines
HOECHST AG1 citations51
US4960887AOct 2, 1990
Process for the preparation of pyrimidines
HOECHST AG1 citations51
US5294741AMar 15, 1994
Continuous process for the preparation of sulfonylisocyanates
HOECHST AG0 citations41
US5157121AOct 20, 1992
Process for the preparation of n-alkylsulfonylaminosulfonylureas
HOECHST AG0 citations41
US5159086AOct 27, 1992
Process for the preparation of pyrazolecarboxylic acid derivatives
HOECHST AG0 citations40