Inventor
THAMM HORST-DIETER
7 patents
Patents
7 patentsUS5073622ADec 17, 1991
Process for the preparation of novolak resins with low metal ion content
HOECHST AG61 citations94
US4693884ASep 15, 1987
Technetium-99m triphosphonates and tetraphosphonates for the scintigraphic visualization of res-containing organs and lymph vessels, and a process for their preparation
HOECHST AG29 citations91
US4069245AJan 17, 1978
Preparation of phosphonic and/or phosphinic acids
HOECHST AG32 citations91
US4474711AOct 2, 1984
Process for the preparation of monoalkyl phosphonites
HOECHST AG16 citations73
US4260422AApr 7, 1981
Novel phosphonocarboxylic acid compounds
HOECHST AG8 citations71
US4332746AJun 1, 1982
Diphosphonodicarboxylic acid esters
HOECHST AG2 citations60
US4873169AOct 10, 1989
Process for the preparation of an o-naphthoquinonediazide sulfonic acid ester and photosensitive mixture containing same
HOECHST AG4 citations56