Inventor
SIEGEL HERBERT
DE14 patents
⚠️ This page may combine multiple inventors who share the name “SIEGEL HERBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
13 patentsUS5114816AMay 19, 1992
Radiation-sensitive compounds, radiation-sensitive mixture prepared therewith and copying material
HOECHST AG9 citations73
US4761252AAug 2, 1988
Process for the preparation of vinylphosphonic dichloride
HOECHST AG7 citations72
US5100890AMar 31, 1992
Arylmethylazoles and their salts, agents which contain these compounds, and their use
HOECHST AG9 citations71
US4876354AOct 24, 1989
Arylmethylazoles and their salts, processes for their preparation, agents which contain these compounds, and their use
HOECHST AG13 citations71
US4647575AMar 3, 1987
N-bicycloheptyl-and n-bicycloheptenyl-imidazoles for affecting serum lipoproteins
HOECHST AG2 citations62
US5082932AJan 21, 1992
Process for preparing substituted 1,2-naphthoquinone-(2)-diazide-4-sulfonic acid esters and their use in a radiation-sensitive mixture
HOECHST AG6 citations61
US5023357AJun 11, 1991
Arylmethylazole preparation processes
HOECHST AG3 citations60
US5141937AAug 25, 1992
7-diphenylmethylenebicycloheptane or 7-diphenylmethylenebicylcoheptene derivatives
HOECHST AG1 citations51
US4855087AAug 8, 1989
Process for the preparation of 2-chloroethanephosphonyl dichloride
HOECHST AG0 citations51
US4808606AFeb 28, 1989
Alkenylazoles, a process for their preparation and their use
HOECHST AG0 citations51
US4761251AAug 2, 1988
Process for the preparation of vinylphosphonic dichloride
HOECHST AG1 citations51
US4999352AMar 12, 1991
1-(1-aryl-2-hydroxyethyl)-imidazoles and salts thereof, medicaments containing these compounds, and the use thereof
HOECHST AG1 citations49
US4749524AJun 7, 1988
Process for the preparation of 2-chloroethanephosphonic dichloride
HOECHST AG0 citations40