Inventor
TROESTER HELMUT
DE14 patents
⚠️ This page may combine multiple inventors who share the name “TROESTER HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
11 patentsUS4714666ADec 22, 1987
Perylene tetracarboxylic acid imide pigments in an electrophotographic recording material
HOECHST AG37 citations92
US4709029ANov 24, 1987
Process for the preparation of perylene-3,4,9,10-tetracarboxylic acid monoanhydride monoimides
HOECHST AG32 citations92
US4599408AJul 8, 1986
Perylene-3,4,9,10-tetracarboxylic acid monoanhydride monoimides
HOECHST AG27 citations92
US4501906AFeb 26, 1985
Monoalkali metal salts of perylene-3,4,9,10-tetracarboxylic acid monoanhydride and process for their manufacturing
HOECHST AG24 citations82
US5319083AJun 7, 1994
Black peryene-3,4,9,10-tetracarboxylic diimides, their preparation and use
HOECHST AG11 citations73
US5154770AOct 13, 1992
Mix-crystal pigments based on perylenetetracarbimides, process for their preparation and their use
HOECHST AG13 citations73
US4831140AMay 16, 1989
Process for the preparation of arylimides of perylene-3,4,9,10-tetracarboxylic acid
HOECHST AG16 citations73
US4769460ASep 6, 1988
Mix-crystal pigments based on perylenetetracarbimides, process for preparing and their use
HOECHST AG9 citations73
US4742170AMay 3, 1988
Mix-crystal pigments based on perylenetetracarbimides, process for their preparation, and their use
HOECHST AG10 citations73
US4594420AJun 10, 1986
Perylene-3,4,9,10-tetracarboxylic acid monoanhydride monoimide and monoimidazolide compounds, processes for their preparation and their use
HOECHST AG13 citations73
US4786575ANov 22, 1988
Pigment for electrophotographic recording processes
HOECHST AG1 citations52
DEUTSCHES KREBSFORSCH
3 patentsUS6743584B1Jun 1, 2004
Molecular-biological marker for analytical electron microscopy
DEUTSCHES KREBSFORSCH7 citations67
US6563112B1May 13, 2003
Method for enhancing the contrast for a transmission electron microscope
DEUTSCHES KREBSFORSCH2 citations58
US6521604B1Feb 18, 2003
Compounds containing boron for energy-filtering transmission electron microscopy and for boron neutron-capture therapy
DEUTSCHES KREBSFORSCH0 citations47