Inventor
DEUBEL REINHOLD
DE25 patents
Patents
25 patentsUS5493011AFeb 20, 1996
Monoazo or disazo pigments based on (benoxazol-2-yl)- or (benzimidazol-2-yl)-arylacetamides
HOECHST AG25 citations92
US4403077ASep 6, 1983
Anionic compounds based on modified novolak oxyalkylates, their _preparation, and their use as foam-free surface-active agents
HOECHST AG19 citations81
US4341716AJul 27, 1982
Polyether polyamines, the salts thereof, process for their manufacture and their use
HOECHST AG18 citations81
US4214872AJul 29, 1980
Dispersing agents for finely dividing and stabilizing dyestuffs, pigments and optical brighteners as well as the dispersions thereby obtained
HOECHST AG22 citations79
US4785082ANov 15, 1988
Process for preparing a highly concentrated aqueous press cakes of an azo disperse dye from dilute aqueous suspension thereof wherein surfactant is added before the dye is isolated
HOECHST AG7 citations73
US4450304AMay 22, 1984
Polyether dispersants
HOECHST AG12 citations73
US4297270AOct 27, 1981
Manufacture and use of non-ionogenic interface-active agents based on modified rosins
HOECHST AG8 citations73
US5100989AMar 31, 1992
Resin acid esters based on novolak oxyalkylates, their preparation and their use
HOECHST AG16 citations72
US4957841ASep 18, 1990
Specifically influencing the triboelectric effect of azo pigments
HOECHST AG14 citations72
US4597906AJul 1, 1986
Surface-active compounds on the basis of arylated fatty substances and their use
HOECHST AG8 citations72
US4469516ASep 4, 1984
Pigment preparations; process for their manufacture and their use
HOECHST AG8 citations72
US4474609AOct 2, 1984
Recrystallization-resistant monoazo pigment mixtures of high tinctorial strength, process for their preparation and their use
HOECHST AG13 citations71
US4323396AApr 6, 1982
Process for the preparation of pigment formulations and their use
HOECHST AG8 citations71
US4719292AJan 12, 1988
β-modified crystalline red pigment
HOECHST AG13 citations70
US3993439ANov 23, 1976
Dispersing and stabilizing agents for dyestuffs
HOECHST AG6 citations68
US4729796AMar 8, 1988
Process for preparing pigment granules from aqueous suspension of pigment and alkaline solution of resin
HOECHST AG12 citations67
US4543380ASep 24, 1985
Pigment formulation, a process for its preparation, and its use
HOECHST AG6 citations63
US4828622AMay 9, 1989
Process for preparing highly concentrated aqueous press cakes of solids
HOECHST AG5 citations62
US4333732AJun 8, 1982
Dyestuff preparations containing oxalkylates of modified natural rosin acids
HOECHST AG5 citations62
US5008442AApr 16, 1991
Surface-active compounds on the basis of arylated fatty substances and their use
HOECHST AG2 citations61
US4939238AJul 3, 1990
Nitrogen-containing condensation products based on unmodified or modified natural resins, process for the preparation thereof and the use thereof
HOECHST AG4 citations61
US4009142AFeb 22, 1977
Sulfonsuccinic acid semi-esters, process for their preparation and their use in pigment preparations for aqueous flexo printing pastes
HOECHST AG4 citations59
US3960591AJun 1, 1976
Process for the preparation of pigment compositions for the dope dyeing of polyacrylonitrile
HOECHST AG3 citations58
US5026831AJun 25, 1991
Water-insoluble disazo colorants having hetero-bicyclic methylene-active compounds as coupling component
HOECHST AG1 citations52
US4156617AMay 29, 1979
Process for preparing organic pigments of high tinctorial strength and grain softness
HOECHST AG1 citations38