Inventor
BROCKELT MICHAEL
DE24 patents
⚠️ This page may combine multiple inventors who share the name “BROCKELT MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
22 patentsUS6472447B1Oct 29, 2002
Stabilized, finely disperse low-viscosity polymer polyols with a high content of polystyrene or polystyrene copolymers
BAYER AG42 citations91
US4924028AMay 8, 1990
Process for the production of polynuclear aromatic polyamines
BAYER AG15 citations73
US4914236AApr 3, 1990
Process for the preparation of multinuclear aromatic polyamines
BAYER AG15 citations73
US4879409ANov 7, 1989
Cycloaliphatic diisocyanates, optionally in the form of isomeric mixtures and a process for their preparation
BAYER AG7 citations73
US4786751ANov 22, 1988
Dissocyanates, diisocyanate mixtures and a process for their production
BAYER AG7 citations73
US4675437AJun 23, 1987
Cycloaliphatic triisocyanates
BAYER AG8 citations73
US4603189AJul 29, 1986
Triisocyanates and a process for their preparation
BAYER AG6 citations73
US5359141AOct 25, 1994
Process for the production of polynuclear aromatic polyamines
BAYER AG14 citations72
US5196591AMar 23, 1993
Process for the production of polynuclear aromatic polyamines
BAYER AG17 citations72
US5684180ANov 4, 1997
Fractionation and purification of aromatic polyamine mixtures and the use thereof
BAYER AG5 citations62
US5679840AOct 21, 1997
Fractionation and purification of aromatic polyamine mixtures and the use thereof
BAYER AG4 citations62
US5679841AOct 21, 1997
Fractionation and purification of aromatic polyamine mixtures and the use thereof
BAYER AG5 citations62
US5663424ASep 2, 1997
Fractionation and purification of aromatic polyamine mixtures and the use thereof
BAYER AG3 citations62
US4879408ANov 7, 1989
Cycloaliphatic diisocyanates optionally in the form of isomer mixtures and a process for their production
BAYER AG6 citations62
US4761498AAug 2, 1988
Diisocyanates and diisocyanate mixtures based on diphenylmethane, processes for their production and their use as isocyanate component in the production of polyurethane plastics by the isocyanate polyaddition process
BAYER AG4 citations62
US4720582AJan 19, 1988
Diamines and a process for their production
BAYER AG2 citations62
US4613687ASep 23, 1986
Polyisocyanates of the diphenyl methane series
BAYER AG6 citations62
US7141613B2Nov 28, 2006
Flame resistant rigid foams and formulations for the production thereof
BAYER AG3 citations58
US5672737ASep 30, 1997
Fractionation and purification of mixtures of aromatic polyamines and use thereof
BAYER AG1 citations52
US4587058AMay 6, 1986
Diisocyanates of the diphenyl methane series and processes for the production thereof
BAYER AG1 citations52
US5675035AOct 7, 1997
Fractionation and purification of aromatic polyamine mixtures and the use thereof
BAYER AG0 citations41
US5648520AJul 15, 1997
Fractionation and purification of aromatic polyamine and the use thereof
BAYER AG0 citations41