Patents Represented by Law Firm Plumley and Tyner
  • Transfer printing process
    Patent number: 4059402
    Abstract: The invention relates to the transfer printing hydrophobic fibre materials using paper supports which are printed with azo dyestuffs of the formula ##STR1## wherein X.sub.1 and X.sub.2 represent hydrogen or alkyl or cycloalkyl radicals andn represents 1-3, and wherein the benzene ring A can contain non-ionic substituents and the benzene ring B can contain customary non-polar substituents.
    Type: Grant
    Filed: June 1, 1976
    Date of Patent: November 22, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Wolfrum, Werner Kuhnel, Erich Klauke, Gerhard Buttner
  • Photosensitive diazotype material and method of making the same
    Patent number: 4058399
    Abstract: An erasable diazotype intermediate assembly comprising a translucent paper base, a rubber-like polymeric intervening barrier layer and a sensitizing layer consisting of a water soluble cellulose derivative, a cross linking resin and the diazo sensitizing chemicals.
    Type: Grant
    Filed: January 26, 1976
    Date of Patent: November 15, 1977
    Assignee: Defiance - Azon Corporation
    Inventors: Sharon S. McNeil, Carl R. Bloomquist, Robert C. Johnston
  • Process for the whitening of textile fibres of polyesters
    Patent number: 4057387
    Abstract: Process for whitening textile fibres of polyesters or blended fibres of polyesters and cellulose or wool with dispers fluorescent whitening agents according to a combined exhaustion and thermo-fixing process, in the presence of auxiliaries e.g. esters in combination with water-soluble alkali metal salts or ampholytes which are capable of forming an aqueous two-phase system.
    Type: Grant
    Filed: January 8, 1976
    Date of Patent: November 8, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Kackstaedter, Hans Theidel
  • Anthraquinone compounds
    Patent number: 4056544
    Abstract: Compounds of the formula ##STR1## wherein R represents cycloalkyl or the ##STR2## group wherein R.sub.1 and R.sub.2 denote alkyl and Y denotes hydrogen, chlorine, bromine, amino, alkylamino, cycloalkylamino, aralkylamino, arylamino, acylamino or arylmercapto, with the proviso that the nitro group is in the 5- or 8-position of the anthraquinone nucleus if Y denotes hydrogenAs well as their production and their use for the dyeing of synthetic fibres.
    Type: Grant
    Filed: February 15, 1974
    Date of Patent: November 1, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Hohmann, Helmut Herzog, Hans-Samuel Bien
  • Internal friction twist device
    Patent number: 4055940
    Abstract: The invention relates to an internal friction twist device for texturing fine threads comprising an air-supported twist device in the form of a component of the rotor of an electric motor.
    Type: Grant
    Filed: June 15, 1976
    Date of Patent: November 1, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Muschelknautz, Franz Nemecek
  • Tetrakisazo dyestuffs
    Patent number: 4055558
    Abstract: The subject matter of the present invention relates to tetrakisazo dyestuffs which in the acid form correspond to the formula ##STR1## wherein Z.sub.1, Z.sub.2 = an optionally substituted amino groupR = h or a non-ionogenic substituent, in particular halogen or alkyl,n = an integer of 1 to 3The rings A and B possible having further substituents, for example, alkoxy groups, such as methoxy groups, and the substituents R as well as Z.sub.1 and Z.sub.2 being the same or different. The new dyestuffs are suitable for dyeing and printing of natural fiber materials and distinguish themselves by good fastness properties.
    Type: Grant
    Filed: August 14, 1972
    Date of Patent: October 25, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventor: Hermann Goebel
  • Sulfonamidobenzene-azo-aminopyrazole dyestuffs
    Patent number: 4055557
    Abstract: Monoazo dyestuffs of the formula ##STR1## wherein R.sub.1 = hydrogen, alkyl, cycloalkyl, aralkyl or aryl, R.sub.2 = sulphoalkyl, sulfoaryl, sulphoalkylaryl or sulphatoalkyl, R.sub.3 = alkyl, aryl, carboxy, carbonamide or carboxylic acid ester, R.sub.4 = hydrogen, alkyl, cycloalkyl, aryl, aralkyl, or the radical of a heterocyclic compound, X = hydrogen, halogen, nitrile, alkyl, alkoxy, trifluoromethyl, nitro, carbonamide or carboxylic ester and Y = hydrogen, halogen, alkoxy or acylamino. The dyestuffs are useful for dyeing natural and synthetic fiber materials.
    Type: Grant
    Filed: August 10, 1973
    Date of Patent: October 25, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Wiesel, Richard Sommer
  • Process for the production of filament yarns with statistically distributed, broken individual filaments
    Patent number: 4054025
    Abstract: The invention relates to the production of yarns with individual filaments broken in a purely random sequence. This object is achieved by initially interlacing the uniform filament yarns either during spinning and before winding or between the winding bobbin and the drawing zone and subsequently subjecting parts of the outer layers of the interlaced filament strand to brief heat treatment on a contact heater before stretching.
    Type: Grant
    Filed: July 20, 1976
    Date of Patent: October 18, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Harry Kubitzek, Wolfgang Liedtke, Herbert Pelousek
  • Cyanophenyl-azo-aminophenyl dyestuffs
    Patent number: 4053465
    Abstract: 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: Grant
    Filed: September 11, 1975
    Date of Patent: October 11, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventor: Winfried Kruckenberg
  • Manufacture and use of water-soluble auxiliary agents based on polyaminoamides for the production of paper
    Patent number: 4052259
    Abstract: A process for the production of water-soluble auxiliary agents based on polyaminoamides by reacting a polyfunctional compound with a tertiary, monofunctional amine to form an ammonium compound and reacting that ammonium compound with a basic polyaminoamide, the basic polyaminoamide being the polycondensation product of a dicarboxylic acid, a polyalkylenepolyamine and an aminocarboxylic acid or lactam thereof, the basic polyaminoamide being reacted with 0.15 to 0.19 mol of a polyfunctional compound per mol equivalent of secondary amino group in the polyamide, incorporating that modified basic polyaminoamide in the paper pulp so as to increase the retention of fibres, fillers or pigments, or to accelerate the drainage.
    Type: Grant
    Filed: October 24, 1975
    Date of Patent: October 4, 1977
    Assignee: Wolff Walsrode Aktiengesellschaft
    Inventors: Lutz Hoppe, Rudolf Behn
  • Acrylonitrile polymer solutions
    Patent number: 4052355
    Abstract: This invention relates to the production of spinnable solutions of acrylonitrile homopolymers or acrylonitrile copolymers in which the polymerization is conducted in an organic solvent containing a catalyst system comprising an acid, e.g., sulfuric acid, a peroxodisulfate, e.g., ammonium peroxodisulfate, and a 1,3-diketone, e.g., acetyl acetone. Polymers having a good natural color and high K-values are obtained in good yields.
    Type: Grant
    Filed: February 18, 1976
    Date of Patent: October 4, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Theo Neukam, Francis Bentz, Gunther Nischk
  • Reactive phthalocyanine dyestuffs containing a fluoropyrimidinyl group
    Patent number: 4052386
    Abstract: Reactive dyestuffs of the formula ##STR1## in which D is the residue of an organic dyestuff, R is hydrogen or a lower alkyl, R.sub.1 is hydrogen or a substituent, R.sub.2 is hydrogen, halogen, substituted or unsubstituted alkyl, alkenyl, aralkyl or aryl radical, carboxylic acid ester radical, carboxylic acid amide radical, alkylsulphone, or arylsulphone; and F is fluoro; and process for the preparation of such dyestuffs. These dyestuffs are particularly useful in dyeing materials containing hydroxyl groups and nitrogen, e.g. regenerated cellulose, wool, silk, synthetic polyamide, and polyurethane which dyeings possess excellent fastness to wet processing and good fastness to washing, milling and potting on wool.
    Type: Grant
    Filed: June 3, 1971
    Date of Patent: October 4, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Samuel Bein, Erich Klauke
  • Process for the preparation of unsaturated amino compounds
    Patent number: 4051177
    Abstract: Process for the preparation of aromatic amines which additionally still contain C-C multiple bonds, characterized in that aromatic nitro compounds which still contain C-C multiple bonds are hydrogenated in the presence of cobalt sulphides as catalysts, at 20.degree. to 140.degree. C and at 5 to 150 bars hydrogen pressure.
    Type: Grant
    Filed: December 12, 1974
    Date of Patent: September 27, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rudolf Braden, Hans Knupfer, Heinz Ziemann
  • Cationic dyestuffs
    Patent number: 4051084
    Abstract: Cationic dyestuffs of the formula ##STR1## wherein R represents alkyl, alkenyl, cycloalkyl or aralkyl,R.sub.1 represents hydrogen, alkyl, alkenyl, cycloalkyl or aralkyl,R.sub.2 represents alkylene,Y represents oxygen or sulphur,R.sub.3 represents a direct bond or -CO-,A represents a carbocyclic six-membered ring or a heterocyclic ring,X.sup.- represents an anion andm represents the numbers 0 or 1,With the proviso that m can only be 1 if R.sub.3 denotes an alkylene group, are suitable for dyeing and printing of natural and synthetic materials.
    Type: Grant
    Filed: January 9, 1975
    Date of Patent: September 27, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Peter Kuhlthau, Hermann Beecken
  • Triazole-azo-phenyl cationic dyestuffs
    Patent number: 4051117
    Abstract: Cationic azodyestuffs of the formula ##STR1## in which the substituents have the meaning stated below, are suitable for dyeing and printing of natural and synthetic materials especially polyacrylonitrile and acid modified polyesters and polyamides.They are also suitable for dyeing and printing of cellulose acetate, coir, jute, sisal, silk tannin-treated cotton, paper, ball-pen pastes, rubber stamps inks, and for use in flexographic printing.
    Type: Grant
    Filed: November 1, 1974
    Date of Patent: September 27, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Peter Kuhlthau, Hermann Beecken
  • Reactive dyestuffs
    Patent number: 4051134
    Abstract: Reactive dyestuffs of the formula ##STR1## wherein W, T, T', n, R, R.sub.1, R.sub.2, p and Z have the meaning given in the description, their preparation and their use for dyeing and printing materials containing N and materials containing hydroxyl groups, especially fibre materials. The dyestuffs are particularly suitable as fluorescent dyestuffs for dyeing or printing natural and synthetic polyamides and natural and regenerated cellulose, especially cotton. They combine a high fixing yield with outstanding wet fastness properties.
    Type: Grant
    Filed: November 20, 1975
    Date of Patent: September 27, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Adolf Friedrich, Horst Harnisch, Roderich Raue
  • Conditioning of perhalogeno-copper phthalocyanines
    Patent number: 4051146
    Abstract: Process for conditioning perhalogeno-copper phthalocyanines, characterized in that the melts obtained on halogenation of copper phthalocyanine in the presence of aluminium chloride and other auxiliaries are poured into cold water, an organic solvent is added to the mixture, the whole is heated, without intermediate isolation, for several hours to temperatures between 90.degree. and 150.degree. C, the organic solvent is driven off in steam, the residue is filtered and the material on the filter is washed until free from salt, dried and ground.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: September 27, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventor: Diether Wessling
  • 2-Amino-1-sulfonaphthalene containing acylaminomethyl substituent
    Patent number: 4049704
    Abstract: Azo reactive dyestuffs which in the acid form correspond to the formula ##STR1## wherein R denotes hydrogen or lower alkyl, W denotes a direct bond or a bridge member, Z denotes a reactive group and A denotes the radical of a coupling component, and their use for the dyeing and printing of materials containing hydroxyl groups or amide groups as well as for the wash-fast dyeing and printing of natural or regenerated cellulose.
    Type: Grant
    Filed: February 9, 1976
    Date of Patent: September 20, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventor: Horst Jager
  • Dyestuff preparations
    Patent number: 4049378
    Abstract: The invention relates to dyestuff preparations which containA. dyestuffs which are insoluble in tetrachloroethylene,B. dispersing agents of the formulaR.sup.1 [--NHCO--(O--CHR.sup.2 --CHR.sup.3).sub.X --(O--CHR.sup.4 --CHR.sup.5).sub.y --R.sup.6 --].sub.nwhereinR.sup.1 denotes a hydrocarbon radical such as remains after removing n isocyanate groups from a corresponding isocyanate,n is a number from 1 to 6R.sup.2 - r.sup.5 denote hydrogen, alkyl, phenyl or chloromethyl,X represents the number 0 - 100 andY represents the number 0 to 50 andR.sup.6 denotes O--aryl, O--aralkyl, O--alkaryl, O--CO--alkyl, O--CO--aryl, NH--CO--alkyl, NH--SO.sub.2 --alkyl or O--alkyl andC. optionally, organic solvents of low volatility. The preparations are extremely suitable for the dyeing textile materials from organic, water-immiscible solvents.
    Type: Grant
    Filed: February 18, 1975
    Date of Patent: September 20, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hermann Perrey, Jurgen Schulze, Hans Jurgen Rosenkranz, Hans Rudolph, Reinhold Hornle
  • Pigment preparations
    Patent number: 4049610
    Abstract: Pigment preparations containing 3 to 80 percent by weight of an organic or inorganic pigment, 0.5 to 85 percent by weight of a resin containing carbodiimide groups and 0 to 75 percent of an organic solvent free from amino groups are used for pigmenting synthetic high-molecular materials, especially one-component and two-component polyurethane textile coating compositions.
    Type: Grant
    Filed: January 19, 1976
    Date of Patent: September 20, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Bunge, Wolf-Dieter Last, Rudolf Saitner, Karlheinz Wolf