Inventor
DIX JOHANNES P
DE28 patents
⚠️ This page may combine multiple inventors who share the name “DIX JOHANNES P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
27 patentsUS5393463AFeb 28, 1995
Use of trialkanolamine polyethers as demulsifiers for oil-in-water emulsions
BASF AG31 citations92
US4880769ANov 14, 1989
Transfer of catinic dyes in their deprotonated, electrically neutral form
BASF AG33 citations92
US5186846AFeb 16, 1993
Dye dispersants: aryl sulphonic acid-formaldehyde condensate or ligninsulfonate
BASF AG49 citations89
US4764600AAug 16, 1988
Isothiazolylazo dyes having aminophenyl and aminonaphthyl components
BASF AG8 citations74
US4619992AOct 28, 1986
3-(β-aminoethyl)-4-cyano-isothiazolylazo dyes
BASF AG14 citations74
US5534166AJul 9, 1996
Preparation of condensates of arenesulfonic acids and formaldehyde and use thereof
BASF AG7 citations73
US5234626AAug 10, 1993
Methods of demulsifying employing condensates as demulsifiers for oil-in water emulsions
BASF AG13 citations73
US5124438AJun 23, 1992
Chemically modified proteins and colorant formulations containing the same
BASF AG15 citations73
US4976744ADec 11, 1990
Preparation of concentrated solutions of cationic dyes as mono-carboxylates in glycol ether
BASF AG7 citations73
US4912791AApr 3, 1990
Pretreatment of textile materials: alkaline scour or bleach with organo-phosphorus compound
BASF AG6 citations73
US4656256AApr 7, 1987
Benzoazoresorcinol dyes containing a quaternized aminoalkylene oxycarbonyl group
BASF AG11 citations73
US5015754AMay 14, 1991
Quaternized condensation products of trialkanolamines
BASF AG12 citations71
US5411556AMay 2, 1995
Dyeing leather with a red azo dye
BASF AG3 citations63
US5264560ANov 23, 1993
Preparation of quaternized azo dyes
BASF AG2 citations63
US4908437AMar 13, 1990
Thien-2-one compounds with an alkylidene or imino group in the 5-position of the ring
BASF AG3 citations63
US4496480AJan 29, 1985
Isothiazolazo dyes having coupling components which are free from unsaturated aliphatic radicals
BASF AG5 citations63
US5491043AFeb 13, 1996
Electrostatic toners with polyamine charge stabilizers
BASF AG2 citations62
US5389110AFeb 14, 1995
Azo dyes and process of dyeing with azo dyes which contain an N-(hydroxysulfonylphenylalkyl)pyridone coupling component
BASF AG2 citations62
US5360454ANov 1, 1994
Tanning of leather and fur
BASF AG3 citations62
US5224963AJul 6, 1993
Quaternized condensation products for aftertreating dyed leather
BASF AG2 citations62
US5073634ADec 17, 1991
Tetrachloroferrates of basic dyes
BASF AG3 citations62
US4997680AMar 5, 1991
Polymeric conditioner for pretreating nonmetallic surfaces for chemical metallization
BASF AG4 citations62
US4940609AJul 10, 1990
Polymeric conditioner for pretreating nonmetallic surfaces for chemical metallization
BASF AG6 citations62
US4464181AAug 7, 1984
Mixtures of benzisothiazole mono-azo dyes for cellulose acetate
BASF AG4 citations62
US4940492AJul 10, 1990
Colorant mixtures containing isoquinoline derivatives, use thereof in printing inks, and novel isoquinoline derivatives
BASF AG2 citations61
US4521216AJun 4, 1985
Disazo dyes
BASF AG3 citations60
US5298635AMar 29, 1994
Tertiary amides useful as low-foam wetting agents in the textile industry
BASF AG0 citations50