Inventor
KEIL KARL-HEINZ
DE32 patents
⚠️ This page may combine multiple inventors who share the name “KEIL KARL-HEINZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CASSELLA FARBWERKE MAINKUR AG
20 patentsUS4547429AOct 15, 1985
Encapsulated salts of acid particles wherein the salt particles are surrounded by a polyurethane/polyurea casing
CASSELLA FARBWERKE MAINKUR AG78 citations96
US5530093AJun 25, 1996
Polycondensates containing phosphinic and phosphonic acid groups
CASSELLA FARBWERKE MAINKUR AG27 citations92
US4576973AMar 18, 1986
Copolymer, process for its preparation and its use as a sorbent
CASSELLA FARBWERKE MAINKUR AG26 citations91
US4588413AMay 13, 1986
Process for producing dyeings with reactive dyestuffs
CASSELLA FARBWERKE MAINKUR AG23 citations80
US4552905ANov 12, 1985
Copolymer, a process for its preparation and its use as a sorbent
CASSELLA FARBWERKE MAINKUR AG18 citations74
US4753999AJun 28, 1988
Copolymer, process for its preparation, and its use
CASSELLA FARBWERKE MAINKUR AG12 citations73
US4810254AMar 7, 1989
Wet-fastness properties of sulphur dyestuffs dyeings on cellulose treated with poly-di-allyl-ammonium salt
CASSELLA FARBWERKE MAINKUR AG17 citations72
US4300903ANov 17, 1981
Padding auxiliaries and processes for dyeing cellulose fibers or mixtures of cellulose fibers and synthetic fibers with sulphur dyestuffs, sulphur vat dyestuffs, vat dyestuffs and reactive dyestuffs
CASSELLA FARBWERKE MAINKUR AG8 citations72
US4608277AAug 26, 1986
Encapsulated salts of sparing solubility in water, their preparation and their use
CASSELLA FARBWERKE MAINKUR AG11 citations71
US4977239ADec 11, 1990
Polybase from amino amido carboxylic acid, polyamine and difunctional alkylating agent
CASSELLA FARBWERKE MAINKUR AG3 citations61
US4043984AAug 23, 1977
Aminoplasts elasticized with benzoic acid esters
CASSELLA FARBWERKE MAINKUR AG6 citations61
US3993437ANov 23, 1976
Process for the dyeing of polyamide fibers with sulphur dyestuffs
CASSELLA FARBWERKE MAINKUR AG4 citations61
US4310355AJan 12, 1982
Internal release agent for thermosetting aminoplast resins
CASSELLA FARBWERKE MAINKUR AG4 citations60
US4488974ADec 18, 1984
Softener emulsion, a process for its preparation, and its application
CASSELLA FARBWERKE MAINKUR AG2 citations58
US3999942ADec 28, 1976
N-Acyloyl-N-alkyl-alkylenediamines as dye levelers
CASSELLA FARBWERKE MAINKUR AG3 citations58
US5041553AAug 20, 1991
Process for the preparation of 2-substituted 1-(acylaminoalkyl)-2-imidazolines
CASSELLA FARBWERKE MAINKUR AG3 citations57
US4289665ASep 15, 1981
Process for the preparation of aqueous emulsions, stable in storage, of N.alkyl-N-alkylol-ureas and their application for the softening of leather
CASSELLA FARBWERKE MAINKUR AG2 citations57
US4271073AJun 2, 1981
6-Substituted-9-(2-hydroxyethyl)-1,2,3,4-tetrahydro carbazol-1-one
CASSELLA FARBWERKE MAINKUR AG2 citations57
US5144040ASep 1, 1992
Process for the preparation of 1-(acylaminoalkyl)-2-imidazolines substituted in the 2 position
CASSELLA FARBWERKE MAINKUR AG2 citations55
US4149979AApr 17, 1979
Conditioning and water-repellent agents for cellulose-containing textiles and leather
CASSELLA FARBWERKE MAINKUR AG1 citations45
HOECHST AG
10 patentsUS4806126AFeb 21, 1989
Process for alkali-free dyeing and printing with reactive dyes
HOECHST AG25 citations86
US4988365AJan 29, 1991
Process for the dyeing and printing of cellulose fibers in the absence of alkali or reducing agents: pre treatment with modified amine
HOECHST AG21 citations81
US4399043AAug 16, 1983
Fabric softener
HOECHST AG9 citations73
US5006129AApr 9, 1991
Dyeing textile material with pigment dyes: pre-treatment with quaternary ally ammonium salt polymer
HOECHST AG8 citations72
US5100673AMar 31, 1992
Microencapsulation of biologically active material
HOECHST AG16 citations70
US4153561AMay 8, 1979
Conditioning agent
HOECHST AG17 citations69
US4198204AApr 15, 1980
Short liquor dyeing process for piece goods, made from cellulose fibers, in rope form
HOECHST AG11 citations67
US5389280AFeb 14, 1995
Stable and homogeneous aqueous formulations of surfactants
HOECHST AG4 citations62
US4686243AAug 11, 1987
Copolymer, a process for its preparation and its use as enzyme supports
HOECHST AG4 citations62
US5492995AFeb 20, 1996
Polycondensates containing phosphinic or phosphonic acid groups and siloxane groups
HOECHST AG2 citations60