Inventor
STAENDEKE HORST
33 patents
⚠️ This page may combine multiple inventors who share the name “STAENDEKE HORST”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
31 patentsUS4467056AAug 21, 1984
Particulate agent for impeding the combustibility of combustible materials
HOECHST AG52 citations96
US5750601AMay 12, 1998
Flame retardant polymeric compositions
HOECHST AG20 citations92
US4772642ASep 20, 1988
Self-extinguishing polymeric compositions
HOECHST AG37 citations92
US4639331AJan 27, 1987
Process for making pulverulent ammonium polyphosphates stable to hydrolysis
HOECHST AG41 citations92
US4514328AApr 30, 1985
Particulate material reducing the ignitability of combustible substances
HOECHST AG36 citations92
US4347334AAug 31, 1982
Particulate agent for impeding the combustibility of combustible substances
HOECHST AG38 citations92
US5719200AFeb 17, 1998
Flame-resistant polyurea foam
HOECHST AG54 citations91
US4853288AAug 1, 1989
Stabilized red phosphorus and process for making it
HOECHST AG24 citations91
US4957950ASep 18, 1990
Flame-retardant polymer compositions
HOECHST AG25 citations90
US4853424AAug 1, 1989
Flame-retardant polymer compositions
HOECHST AG27 citations90
US4515632AMay 7, 1985
Activated ammonium polyphosphate, a process for making it, and its use
HOECHST AG23 citations82
US4315897AFeb 16, 1982
Stabilized red phosphorus and process for its manufacture
HOECHST AG28 citations82
US5484830AJan 16, 1996
Halogen-free, flame-resistant polymeric compositions
HOECHST AG17 citations74
US4505849AMar 19, 1985
Polyol pre-mixture for making flame-retardant poly-urethane foam plastics
HOECHST AG9 citations74
US4136154AJan 23, 1979
Stabilized red phosphorus and process for making it
HOECHST AG10 citations73
US4122123AOct 24, 1978
Production of quaternary phosphonium halides
HOECHST AG13 citations73
US4210630AJul 1, 1980
Stabilized red phosphorus
HOECHST AG16 citations72
US5776992AJul 7, 1998
Halogen-free, flame retardant rigid polyurethane foam
HOECHST AG11 citations71
US4701373AOct 20, 1987
Difficultly flammable veneered or coated extruded boards
HOECHST AG15 citations69
US4670484AJun 2, 1987
Difficulty flammable extruded articles, especially extruded boards, and a process for making them
HOECHST AG8 citations69
US5852197ADec 22, 1998
Cyclic disphosphoric esters, a process for their preparation and their use
HOECHST AG3 citations63
US5391698AFeb 21, 1995
Phosphoric acid polyesters and a process for their preparation
HOECHST AG2 citations63
US4173578ANov 6, 1979
Production of alkenyl phosphinic acids
HOECHST AG2 citations63
US4115522ASep 19, 1978
Stabilized red phosphorus and process for making it
HOECHST AG5 citations63
US5093199AMar 3, 1992
Stabilized red phosphorus
HOECHST AG4 citations62
US4098872AJul 4, 1978
Stabilized red phosphorus and process for making it
HOECHST AG3 citations62
US4113841ASep 12, 1978
Stabilized red phosphorus and process for making it
HOECHST AG5 citations59
US4894469AJan 16, 1990
Process for making halogenated phosphonophosphoric acid-esters and their use
HOECHST AG1 citations52
US4096189AJun 20, 1978
Production of tertiary phosphine oxides
HOECHST AG1 citations52
US4092363AMay 30, 1978
Production of dialkylphosphine oxides
HOECHST AG1 citations51
US4985221AJan 15, 1991
Phlegmatized red phosphorus
HOECHST AG1 citations43