P

Inventor

BOEHMKE GUENTHER

21 patents

Patents

21 patents
US4839461AJun 13, 1989

Polyaspartic acid from maleic acid and ammonia

BAYER AG184 citations98
US4297107AOct 27, 1981

Fuels and their use

BAYER AG55 citations96
US5468838ANov 21, 1995

Process for the preparation of polysuccinimide, polyaspartic acid and their salts

BAYER AG18 citations82
US4295859AOct 20, 1981

Fuels and heating oils, a process for their preparation and their use

BAYER AG28 citations82
US3995997ADec 7, 1976

Concentrated solutions of anionic dyestuffs

BAYER AG20 citations79
US4627929ADec 9, 1986

Stabilized lubricants based on polyethers

BAYER AG16 citations73
US4330334AMay 18, 1982

Modifying mortars of inorganic binding agents with alkylated sulphonated phenol-formaldehyde condensation product

BAYER AG9 citations72
US5053421AOct 1, 1991

Di-styrl-phenyl-triglycol ether as crystallization inhibitor

BAYER AG12 citations71
US4994089AFeb 19, 1991

Carrier mixture for the dyeing of polyester materials: n-alkylphthalimide and aromatic ester or ether

BAYER AG10 citations71
US4432899AFeb 21, 1984

Preparing concentrated azo dye solutions using nitrite salt as both coupling component and diazotizing agent

BAYER AG10 citations71
US4547199AOct 15, 1985

Use of aralkyl polyalkylene glycol ethers for the preparation of aqueous coal slurries

BAYER AG15 citations70
US4458080AJul 3, 1984

Imidazoline derivatives

BAYER AG10 citations68
US4258448AMar 31, 1981

Method of dispersing, emulsifying materials with phosphoric acid esters

BAYER AG11 citations68
US4280960AJul 28, 1981

Phosphonic acid esters

BAYER AG6 citations62
US4246172AJan 20, 1981

Cationic dyestuffs organophosphonic acid salts of quaternary ammonium alkylene amino azo dyes

BAYER AG4 citations62
US4391718AJul 5, 1983

Sulphonated mono-hydric diaryl phenol formaldehyde condensates, their preparation, their use as dispersing agents and formulations containing them

BAYER AG5 citations61
US4245083AJan 13, 1981

Phenolic formaldehyde-salicylic acid condensation products

BAYER AG4 citations61
US4468349AAug 28, 1984

Process for the preparation of solutions of cationic azo dyestuffs

BAYER AG3 citations59
US4233214ANov 11, 1980

Cationic azo dyestuffs with a hydroxyalkylated ammonium group

BAYER AG0 citations52
US4279614AJul 21, 1981

Process for dyeing polyester-containing materials

BAYER AG1 citations51
US4324732AApr 13, 1982

Process for the preparation of monoaroylated 1,4-diaminoanthraquinones

BAYER AG0 citations48