Patents by Inventor Winfried Kruckenberg
Winfried Kruckenberg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 4773915Abstract: Azo dyestuffs of the formula ##STR1## wherein R.sub.1 denotes hydrogen, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkoxyethoxy andX denotes acyl,are distinguished by good levelling properties and good allround fastness properties. They dye polyester fibres in a bright blue shade.Type: GrantFiled: January 7, 1987Date of Patent: September 27, 1988Assignee: Bayer AktiengesellschaftInventors: Winfried Kruckenberg, Klaus Leverenz, Hans-Gunter Otten
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Patent number: 4681932Abstract: Azo dyestuffs of the formula ##STR1## wherein R.sub.1 denotes hydrogen, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkoxyethoxy andX denotes acyl,are distinguished by good levelling properties and good allround fastness properties. They dye polyester fibres in a bright blue shade.Type: GrantFiled: June 27, 1985Date of Patent: July 21, 1987Assignee: Bayer AktiengesellschaftInventors: Winfried Kruckenberg, Klaus Leverenz, Hans-Gunter Otten
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Patent number: 4497736Abstract: Azo dyestuffs of the formula ##STR1## wherein R.sub.1 represents H or --A--VR.sub.2 represents, inter alia, H, alkyl, chloroalkyl, cyanoalkyl, phenyl, phenalkyl, cyclohexyl or alkylcarbonyl,R.sub.3 and Z represent H, alkyl or halogen,R.sub.4 represents R.sub.3, alkoxy or CN,R.sub.5 represents, inter alia, NO.sub.2, CN, CF.sub.3 or alkylsulphonyl,R.sub.6 represents R.sub.4, CF.sub.3, CN or NO.sub.2,A represents alkyleneV represents H, alkoxy, CN, Cl, phenyl, phenoxy, alkylcarbonyl or alkoxycarbonyl,W represents CO or SO.sub.2,Y represents H, alkyl, alkoxy, NH.sub.2 or hydroxyalkyl andm represents 4, 5, 6 or 7,mixed with emulsifiers give dyestuff formulations which are in the liquid or dissolved form under dyeing conditions. The use of additional dispersing agents, protective colloids, levelling agents and carriers during the dyeing of polyester fibres thereby becomes superfluous.Type: GrantFiled: November 17, 1978Date of Patent: February 5, 1985Assignee: Bayer AktiengesellschaftInventors: Winfried Kruckenberg, Karl H. Schundehutte
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Patent number: 4391606Abstract: Dyestuff formulations which contain a dyestuff with at least one of the groupings of the formula ##STR1## and an emulsifying polar-nonpolar compound, are outstanding suitable for dyeing synthetic fibres since they are well soluble in the dyeing bath and do not require expensive formulation process for their preparation.In the formulae, the symbols have the following meanings:G is a bridge member,A is alkylene,X is hydrogen, Y, --COY or --CONR.sub.1 R.sub.2,Y is alkyl, cycloalkyl, aralkyl or aryl,R.sub.1 is hydrogen or Y,R.sub.2 is hydrogen or alkyl andn is a number from 1 to 7, with the proviso that n is at least 2 if X is --COY.Type: GrantFiled: August 14, 1981Date of Patent: July 5, 1983Assignee: Bayer AktiengesellschaftInventors: Winfried Kruckenberg, Karl H. Schundehutte, Volker Hederich
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Patent number: 4377390Abstract: Dyestuffs of the formula ##STR1## wherein R denotes hydrogen or alkyl,X denotes R, Cl or Br,m and p denotes 0 or 1,n denotes 2 to 4,A denotes oxygen or --NR-- andB denotes C.sub.1 -C.sub.8 -alkyl, alkenyl, cycloalkyl, aralkyl or aryl,are especially suitable for the dyeing of polyester-materials; they give deep yellow dyeings with good light fastness properties.Type: GrantFiled: May 27, 1981Date of Patent: March 22, 1983Assignee: Bayer AktiengesellschaftInventors: Karl H. Schundehutte, Henning Reel, Winfried Kruckenberg
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Patent number: 4342683Abstract: Azo dyestuffs of the formula ##STR1## wherein X denotes hydrogen, nitro or COOR.sub.1,B denotes R or acyl,R denotes hydrogen or a hydrocarbon,R.sub.1 denotes alkyl or cycloalkyl,A denotes alkylene,n denotes the numbers 3-8 andK denotes a coupling component of the pyrazole, pyridine, indole or pyrimidine series, are outstandingly suitable for dyeing synthetic fibre materials, especially made of polyesters, on which they produce dyeings with good fastness to sublimation, washing and light.It is particularly advantageous to use the dyestuffs in the form of preparations which, in addition to the dyestuff, contain emulsifiers, since in a dyebath these are present in the liquid form and therefore do not require the addition of carriers.Type: GrantFiled: July 2, 1980Date of Patent: August 3, 1982Assignee: Bayer AktiengesellschaftInventors: Henning Reel, Winfried Kruckenberg, Karl H. Schundehutte
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Patent number: 4292239Abstract: Dyestuffs of the formula ##STR1## wherein R.sub.1 represents hydrogen, alkyl or aralkyl,R.sub.2 represents R.sub.1 or aryl,A represents C.sub.2 -C.sub.6 -alkylene,X represents R.sub.2 or acyl,n represents 1-7,m represents 1 or 2 andthe rings B and D can contain customary radicals,with the proviso that n is at least 2 if X represents acyl,give, when mixed with emulsifiers, dyestuff preparations which are in the liquid or dissolved form under dyeing conditions. The use of additional dispersing agents, protective colloids, levelling agents and carriers when dyeing polyester fibres thereby becomes superfluous.Type: GrantFiled: August 13, 1979Date of Patent: September 29, 1981Assignee: Bayer AktiengesellschaftInventors: Winfried Kruckenberg, Karl H. Schundehutte
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Patent number: 4268439Abstract: Basic azo dyestuffs which are free from sulfonic acid and carboxylic acid groups and correspond to the formula ##STR1## wherein the radical have the below mentioned meaning, water-solubility and drawing speed and are used for dyeing and printing of polymers and copolymers of acrylnitrile, acid-modified polyesters or polyamides, and for dyeing of leather, tanned cotton, polyurethanes, writing liquids, lignin-containing fibres and for coloring of printing pastes.Type: GrantFiled: March 7, 1977Date of Patent: May 19, 1981Assignee: Bayer AktiengesellschaftInventor: Winfried Kruckenberg
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Patent number: 4249902Abstract: Formulations for dyeing polyesters and polyamides, the dyestuff component of which does not tend to crystallize in the dyebath and the effluents of which can be readily degraded biologically, are obtained in an inexpensive manner when those organophilic dyestuffs which have melting points below 140.degree. C., preferably below 100.degree. C., are used and these dyestuffs are homogeneously mixed with emulsifying polar/non-polar compounds, such as, for example, fatty sulphates and sulphonates, without expensive fine comminution processes.Type: GrantFiled: May 30, 1978Date of Patent: February 10, 1981Assignee: Bayer AktiengesellschaftInventors: Winfried Kruckenberg, Karl H. Schundehutte
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Patent number: 4235598Abstract: Valuable dyestuff formulations for dyeing polyester fibres are obtained without expensive finishing techniques by simple mixing of emulsifiers with dyestuffs of the formula ##STR1## wherein A=alkylene,B and D=a direct bond or a bridge member,V and Q=hydrogen, alkyl, alkenyl, cycloalkyl, aralkyl, aryl or acyl,X and Y=a non-ionic substituent,m and n=0 to 3 andp and r=0 to 10, with the proviso that p represents 3-10 if r=0 or 1 and D=a direct bond.The dyeing formulations are present in the liquid or dissolved form under the dyeing conditions. The use of dispersing agents, protective colloids, levelling agents and carriers is thus superfluous.Type: GrantFiled: October 27, 1978Date of Patent: November 25, 1980Assignee: Bayer AktiengesellschaftInventors: Henning Reel, Winfried Kruckenberg, Karl H. Schuadehutte
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Patent number: 4222947Abstract: Dyestuffs, which are free from nitro groups and sulphonic acid groups, of the formulaF--Z--(OA).sub.n --OR IwhereinF denotes an anthraquinone nucleus which contains at least one auxochromic group in the .alpha.-position,Z denotes a direct bond or a bridge member,A denotes alkylene,R denotes alkyl, aralkyl, cycloalkyl, aryl or acyl andn denotes 3 to 8,with the proviso that R does not represent aralkyl if n denotes the number 3 and the number of the auxochromic groups is two, have a melting point below 140.degree. C., in particular below 100.degree. C., and are outstandingly suitable for dyeing and printing synthetic fibre materials, in particular those of polyesters, on which they produce dyeings with good fastness to sublimation, washing and light.The dyestuffs are advantageously employed in the form of liquid or pulverulent preparations which contain, in addition to the dyestuff, emulsifying polar/non-polar compounds and, if appropriate, formulating agents and extenders.Type: GrantFiled: February 15, 1979Date of Patent: September 16, 1980Assignee: Bayer AktiengesellschaftInventors: Volker Hederich, Winfried Kruckenberg, Karl H. Schundehutte
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Patent number: 4212803Abstract: Cationic dyestuffs of the formula[(D--N.dbd.N--K) (--R).sub.n ].sup.m.sym. m An.crclbar.whereinD denotes the radical of a diazo component,K denotes the radical of a coupling component,m and n independently of one another denote 1 or 2,An.crclbar. denotes an anion andR denotes a radical of the general formulae--A--O --(B--O).sub.p --E--A--O--CO--F--O--(B--O).sub.p --E or--A--(O--F).sub.p.sbsb.1 --CO--O--(B--O).sub.p --EwhereinA represents optionally substituted alkylene with 2 to 4 C-atoms or a direct bond,B represents optionally substituted alkylene with 2 to 4 C atoms,E represents hydrogen or optionally substituted alkyl, alkenyl, cycloalkyl, formyl, alkylcarbonyl or alkenylcarbonyl or optionally substituted phenylcarbonyl, phenylalkylcarbonyl, phenoxyalkylcarbonyl, phenylalkyl or phenyl,F represents alkylene,p represents 1-3 andp.sub.1 represents 0 or 1,at least one of the radicals A or B represents substituted alkylenepossess good coloristic properties.Type: GrantFiled: July 7, 1977Date of Patent: July 15, 1980Assignee: Bayer AktiengesellschaftInventor: Winfried Kruckenberg
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Patent number: 4143228Abstract: Dyestuffs of the formula ##STR1## WHEREIN R.sub.1 denotes halogen, alkyl, cycloalkyl, aralkyl, nitro, cyano, acyl, acylamino, amino, aminocarbonyl, aminosulphonyl, arylsulphonyl, alkylsulphonyl, alkoxy, aryloxy, aralkoxy, carboxyl, alkoxycarbonyl, aryloxycarbonyl or aralkoxycarbonyl or arylazo,R.sub.2 denotes alkyl, alkenyl, cycloalkyl, aryl or aralkyl,R.sub.3 denotes alkyl, cycloalkyl or aralkyl,R.sub.4 denotes alkyl, cycloalkyl or aralkyl,R.sub.5, r.sub.6, r.sub.7 and R.sub.8 denote hydrogen, alkyl, cycloalkyl, aralkyl or aryl and R.sub.6 and R.sub.7 conjointly can form a fused cycloaliphatic ring,R.sub.9 denotes chlorine, bromine, nitro, cyano, C.sub.1 -C.sub.4 -alkyl, phenyl, benzyl, C.sub.1 -C.sub.4 -alkoxy, phenoxy, benzyloxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, phenoxycarbonyl, benzyloxycarbonyl, carboxyl, C.sub.1 -C.sub.4 -alkylsulphonyl, phenylsulphonyl, benzylsulphonyl, C.sub.1 -C.sub.4 -alkoxysulphonyl, phenoxysulphonyl, benzyloxysulphonyl, aminocarbonyl, mono- or di- C.sub.1 -C.sub.Type: GrantFiled: August 23, 1977Date of Patent: March 6, 1979Assignee: Bayer AktiengesellschaftInventors: Hubertus Psaar, Winfried Kruckenberg
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Patent number: 4083685Abstract: Exhaustion process for dyeing synthetic fiber materials with dispersions of azo dyestuffs which contain carbamate groups, in organic water-immiscible solvents. The dyestuffs are distinguished by good drawing properties and good general fastness properties.Type: GrantFiled: July 6, 1976Date of Patent: April 11, 1978Assignee: Bayer AktiengesellschaftInventor: Winfried Kruckenberg
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Patent number: 4053465Abstract: Dyestuffs of the formula ##STR1## wherein B denotes (CH.sub.2).sub.n --R.sub.1 or alkenyl,R.sub.1 denotes hydrogen, cyano, carbalkoxy, alkoxy or phenyl,R.sub.2 denotes hydrogen, cyano, alkoxy or sulphato,R.sub.3 denotes hydrogen, alkyl, alkoxy, alkylcarbonylamino or sulphatoalkylcarbonylamino,R.sub.4 denotes hydrogen, alkyl or alkoxy,V.sub.1 denotes hydrogen, chlorine, bromine or cyano,V.sub.2 denotes hydrogen, chlorine, bromine, cyano, alkyl, trifluoromethyl, methylsulphonyl or ethylsulphonyl,V.sub.3 denotes hydrogen, chlorine or alkyl,A denotes --(CH.sub.2).sub.n -- or --(CH.sub.2).sub.n --O--(CH.sub.2).sub.n -- andn denotes an integer from 1 to 4And whereinEither R.sub.2 must denote a sulphato radical or R.sub.3 must denote a sulphatoalkylcarbonylamino radical,Are suitable for the dyeing of natural and synthetic fibre materials containing amide groups.Type: GrantFiled: September 11, 1975Date of Patent: October 11, 1977Assignee: Bayer AktiengesellschaftInventor: Winfried Kruckenberg
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Patent number: 3993619Abstract: Dyestuffs of the formula ##SPC1##Wherein:R.sub.1 denotes cyano, halogen, alkoxy, alkylsulphonyl, arylsulphonyl, optionally mono or disubstituted carbamoyl or optionally mono- or disubstituted sulphamoyl,R.sub.2 denotes hydrogen, cyano carboxyl, halogen, alkoxy, alkyl, alkylsulphonyl or arylsulphonyl,R.sub.3 denotes hydrogen cyano, halogen or alkyl,K denotes the residue of a coupling component of the arylamine series,X denotes O, NH or N--C.sub.1 -C.sub.4 -alkyl andn denotes an integer of from 1 to 4,The XH groups being attached to one or more substituents R.sub.1, R.sub.2, R.sub.3, or to a substituent of the coupling component are added to the reaction mixture or to one of the components are suitable for the dyeing of polyurethane resins by incorporating into the resins by the formation of covalent bonds.Type: GrantFiled: May 22, 1975Date of Patent: November 23, 1976Assignee: Bayer AktiengesellschaftInventors: Winfried Kruckenberg, Konrad Nonn, Georg Pape, Michael Kressner
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Patent number: 3953452Abstract: Perinone dyestuffs of the formuula ##SPC1##In whichR denotes alkyl, alkoxy or halogen,R.sub.1 stands for halogen, cyano, alkoxy, alkylcarbonyl, a (possibly substituted) carbonamide or carbalkoxy group, andn represents a whole number from 0 to 3, as well as their preparation and their use for the dyeing of hydrophobic fibre materials.Type: GrantFiled: January 3, 1974Date of Patent: April 27, 1976Assignee: Bayer AktiengesellschaftInventor: Winfried Kruckenberg