Patents Represented by Law Firm Plumley and Tyner
  • Process for dyeing fibre materials
    Patent number: 4113428
    Abstract: Process for dyeing hydrophobic fibre materials, preferably polyester fibres, using dyestuffs of the formula ##STR1## wherein THE AROMATIC RINGS A and B can be further substituted,The azo group is in the meta-position or para-position relative to the amino group of the diphenylamine and the phenolic hydroxyl group is in the ortho-position or para-position relative to the azo group.These dyestuffs are distinguished by high drawing power and good building up and fastness properties.
    Type: Grant
    Filed: July 6, 1977
    Date of Patent: September 12, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Herbert Hugl, Karl Heinz Schundehutte, Kersten Trautner, Gerhard Wolfrum
  • Fluorine and sulfur-containing compositions
    Patent number: 4113748
    Abstract: The invention concerns epoxides and alcohols of the structures ##STR1## and[R.sub.f (CH.sub.2).sub.n SCH.sub.2 ].sub.2 CHOHand various derivatives thereof useful in leather and textile treatment.
    Type: Grant
    Filed: April 8, 1974
    Date of Patent: September 12, 1978
    Assignee: Pennwalt Corporation
    Inventors: Robert Bonner Hager, Sameeh Said Toukan, Gerald Joseph Walter
  • Polyether urethanes as antistatic additives in polyamide compositions
    Patent number: 4111920
    Abstract: The present invention relates to new polyether urethanes corresponding to the general formula ##STR1## and to a process for their production. The polyether urethanes are stable for prolonged periods at temperatures of up to approximately 300.degree. C in aliphatic polyamide melts, and polyamides containing urethanes of this kind, more especially filaments and fibers of such polyamides or woven fabrics, knitted fabrics, nonwovens or pile fabrics produced from these filaments or fibers, show excellent antistatic properties.
    Type: Grant
    Filed: April 27, 1976
    Date of Patent: September 5, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans Egon Kunzel, Francis Bentz
  • Highly shrinkable acrylic fibres or filaments
    Patent number: 4108845
    Abstract: The invention relates to highly shrinkable fibres or filaments of acrylonitrile polymers or copolymers which have a shrinkability of at least 35% and a fibre strength of at least 2 p/dtex.The invention relates further to a process for the production of these fibres or filaments.
    Type: Grant
    Filed: January 28, 1976
    Date of Patent: August 22, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Reinehr, Alfred Nogaj, Gunter Lorenz
  • Process for dyeing wet-spun aromatic polyamides in gel form
    Patent number: 4108936
    Abstract: The invention relates to a process for the production of dyed filaments from aromatic polyamides which are not modified with acid or basic groups.
    Type: Grant
    Filed: August 7, 1975
    Date of Patent: August 22, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Dieter Wolf, Ralf Miessen, Hans Egon Kunzel, Francis Bentz
  • Process for the treatment of cellulose-fibres
    Patent number: 4106903
    Abstract: Process for the treatment of cellulose fibres in the form of a doubled pre-drawn sliver, by impregnating with fixing agents of the formula ##STR1## IN WHICH: R.sub.1, R.sub.2 and R.sub.3 represent C.sub.1 -C.sub.4 -alkyl, or hydroxyl-substituted C.sub.2 -C.sub.4 -alkyl orR.sub.1 and R.sub.2 can be jointed to form a ring with N,R.sub.4 represents hydrogen or methyl,X.sup.n(-) represents an anion andn represents 1, 2 or 3,And with adhesives, and subsequently subjecting to a fixing process.
    Type: Grant
    Filed: June 23, 1976
    Date of Patent: August 15, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Langheinrich, Otto Berenstecher, Horst Renziehausen
  • Automatic fireplace heating system
    Patent number: 4106693
    Abstract: An automatically controlled residential heating system based on the heat from a fireplace comprising the normal fireplace, hearth, combustion zone, flue, and damper; the flue being divided into two parallel flue passages one of which is unobstructed and the other of which contains a heat exchanger adapted to absorb the heat from the flue gases into air passing through the heat exchanger and then into space heating elements in the residence; the system including automatic devices for sensing the temperature in the residential spaces to be heated, an automatic control to act upon the temperature sensing means and to move a diverter which serves to pass the flue gases into either or both of the parallel flue passages in any desired proportion and an automatic control for an air blower to circulate the hot air leaving the heat exchanger.
    Type: Grant
    Filed: April 22, 1977
    Date of Patent: August 15, 1978
    Inventor: John F. Oliver
  • Continuous steeping of corn for wet processing to starches, syrups and feeds
    Patent number: 4106487
    Abstract: Corn is steeped in a process in which corn is continuously added at the top of a cylinder of a height of at least 1.5 to 2.5 times its diameter, water is continuously circulated upward through downflowing corn. This water, comprising a combination of steep water moving with steeped corn together with fresh mill and water containing corn solubles, is continuously withdrawn from the top of the tank. A conical bottom of the tank of specific dimensions aids in the continuous down-flow of corn.
    Type: Grant
    Filed: July 20, 1977
    Date of Patent: August 15, 1978
    Assignee: Archer Daniels Midland Company
    Inventors: James R. Randall, Arling K. Langhurst, Herman H. Schopmeyer, Robert L. Seaton
  • Monomethine dyestuffs
    Patent number: 4105665
    Abstract: The invention relates to monomethine dyestuffs of the formula ##STR1## wherein Z.sup.1 is alkyl, cycloalkyl, aralkyl or arylZ.sup.2 is hydrogen or Z.sup.1Q is CN, COOR.sup.2 or CONR.sup.3 R.sup.4,R.sup.1 u.R.sup.4 is hydrogen or alkyl,R.sup.2 is alkyl, alkenyl, aralkyl, cycloalkyl or aryl andR.sup.3 is alkyl, cycloalkyl, aralkyl, aryl or acyl.The dyestuffs are suitable for the dyeing of natural and synthetic fibers, which are dyed in orange or red shades with high brilliancy.
    Type: Grant
    Filed: November 3, 1976
    Date of Patent: August 8, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventor: Horst Harnisch
  • Phenyl-azo-anilino dyestuff
    Patent number: 4105655
    Abstract: Azo dyestuff of the formula ##STR1## wherein R.sub.5 is H, CH.sub.3, OCH.sub.3, or OC.sub.2 H.sub.5 ;R.sub.6 is selected from the group consisting of H, OCH.sub.3 and OC.sub.2 H.sub.5 ;R.sub.7 and R.sub.8 are each selected from the group consisting of methyl, ethyl, n-butyl, and substituted ethyl wherein the substituent is selected from the group consisting of CN, Cl, carbomethoxy, methylcarbonyloxy, and methoxy-carbonyloxy;Y.sub.1 stands for ##STR2## these dyestuffs being useful for coloring hydrophobic fibers with good clarity and fastness.
    Type: Grant
    Filed: March 1, 1976
    Date of Patent: August 8, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Alois Gottschlich, Klaus Leverenz
  • Antraquinone dyestuffs
    Patent number: 4105662
    Abstract: Reactive dyestuffs of the formula ##STR1## WHEREIN R.sub.1, R.sub.2, R.sub.3, X, Y and Z have the meaning given in the description and their use for the dyeing and printing of materials which contain hydroxyl groups and materials which contain N, such as cotton, wool and the like, by the customary processes.
    Type: Grant
    Filed: March 9, 1977
    Date of Patent: August 8, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus von Oertzen, Hans Samuel Bien, deceased, by Gabriele Bien, legal representative
  • Cationic diazacyanine dyestuffs
    Patent number: 4104268
    Abstract: Dyestuffs of the formula ##STR1## WHEREIN R.sub.1 is a straight-chain alkyl, alkenyl, or alkinyl of 3-6 carbon atoms or aralkyl; R.sub.2 is aryl; R.sub.3 is hydrogen, straight-chain alkyl of 1-6 carbon atoms, straight-chain alkenyl or alkinyl of 3-6 carbon atoms or aralkyl; An is an anion; and the cyclic and acyclic radicals can be further substituted by non-ionic substituents. These dyestuffs are suitable for dyeing and printing of natural and synthetic materials, particularly of polyacrylonitrile, copolymers of acrylonitrile with other vinyl compounds, of acid modified polyesters and acid modified polyamides.
    Type: Grant
    Filed: June 8, 1973
    Date of Patent: August 1, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Lothar Dorsch, Roderich Raue
  • Method for producing textured filament yarns with improved yarn qualities from preorientated polyamide 6
    Patent number: 4103480
    Abstract: The invention is related to a method for producing texturized yarns from polyamide 6 which have small parts of a transitional structure in the .alpha.-modification in addition to the predominant .alpha.-modification, using a rapidly spun yarn in the .alpha.-modification, wherein a yarn with an elongation of 40 to 100% and a density of 1.130 to 1.140 is texturized at texturizing speeds of from 4000 to 1600 m/min at a temperature of from 170.degree. to 220.degree. C while maintaining a constant thread tension ratio of twister outlet to twister inlet of from 1 : 1.0 to 1 : 1.5 by means of a frictional twister while simultaneously stretching in a ratio of from 1 : 1.05 to 1 : 1.5.
    Type: Grant
    Filed: March 10, 1977
    Date of Patent: August 1, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Rellensmann, Michael Bueb, Lothar Rupprecht, Herbert Schmidt, Wolfram Wagner
  • Deep-dyeing polycaprolactam fibres and filaments
    Patent number: 4104324
    Abstract: The invention is related to novel polycaprolactam filaments and fibres capable of being deeply dyed with acid dyes to give dye finishes with extreme fastness to light, characterized by the fact that they consist of physical mixtures of unmodified polycaprolactam and a basic polycaprolactam containing structural units corresponding to the formula: ##STR1## in which R represents an alkylene radical with 4 to 12 carbon atoms and x is an integer from 1 to 5, have relative solution viscosities of from 2.9 to 3.5 (as measured on solutions of 1 g of non-extracted polyamide in 100 ml of cresol at 25.degree. C) and contain free amino groups in a concentration range from 60 to 180 millivals per kg of polymer mixture.
    Type: Grant
    Filed: September 21, 1977
    Date of Patent: August 1, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Eduard Radlmann, Hans-Georg Gelhaar, Gunther Nischk
  • Nitroanthraquinones
    Patent number: 4104284
    Abstract: Process for dyeing and printing synthetic fibre materials using compounds of the formula ##STR1## in which R represents an optionally substituted phenyl radical, as well as special new dyestuffs within the above formula.
    Type: Grant
    Filed: June 11, 1976
    Date of Patent: August 1, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Hohmann, Helmut Herzog, Hans-Samuel Bien
  • Nozzle device for the production of texturized filament yarns
    Patent number: 4103404
    Abstract: The invention relates to a nozzle device for texturizing filament yarns of synthetic, high molecular weight substances by means of a hot medium comprising heated gases or vapors, comprising three chambers arranged on after another, a first chamber through which the hot medium flows into a second chamber, the yarn being drawn into the second chamber at an angle to the direction of flow of the gaseous medium, the yarn being heated by the gaseous medium in the second chamber, and a third chamber in which the thread is compressed with the formation of plugs, the compression chamber being formed of a plurality of elastically flexible rods which are arranged on the surface of a right circular cylinder or a right circular truncated cone and fixed at one end on the end of the second chamber, the rods being of two different lengths.
    Type: Grant
    Filed: July 11, 1977
    Date of Patent: August 1, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Backer, Heinzbert Wojahn, Hans-Theo Esser, Karlheinz Feltgen, Roland Weisbeck
  • Process for the preparation of diaryl compounds
    Patent number: 4102924
    Abstract: Process for the preparation of diaryl compounds of the formula ##STR1## by reacting of acylamino-aryl-compounds of the formula ##STR2## WITH ARYL COMPOUNDS OF THE FORMULA ##STR3## IN THE PRESENCE OF METALLIC COPPER OR ITS MIXTURE WITH COPPER SALTS, OPTIONALLY IN THE PRESENCE OF CATALYSTS, IN A SOLVENT WHICH IS INERT UNDER THE REACTION CONDITIONS, AT TEMPERATURES OF 20.degree. TO 200.degree. C. In the formulae A and B represent an aromatic ring system, R represents acyl and X represents a nitro, nitrile, carboxylic ester, acyl or --NH--R group.
    Type: Grant
    Filed: October 7, 1975
    Date of Patent: July 25, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Kalk, Hans Samuel Bien, Karl Heinz Schundehutte
  • Quantitative analysis of carbohydrates by infrared spectroscopy
    Patent number: 4102646
    Abstract: A qualitative and quantitative method for analyzing a chemical composition for its carbohydrate content. An infrared spectrum of the composition produced in selected wave length ranges is compared with those produced from standard samples. Applications include analysis of fructose and dextrose in corn syrups and determination of Dextrose Equivalent (D.E.) of corn syrups.
    Type: Grant
    Filed: April 6, 1977
    Date of Patent: July 25, 1978
    Inventor: Ronald T. Sleeter
  • Process for the preparation of copper phthylocyanine
    Patent number: 4102892
    Abstract: The chemical yield and the space-time yield of copper phthalocyanine obtained according to the "baking process" is improved if urea and phthalic anhydride, or its reaction products with ammonia, or the dehydration products thereof, are fed in the liquid form to the reaction vessel.
    Type: Grant
    Filed: March 16, 1977
    Date of Patent: July 25, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz-Ewald Baurecht, Reinhold Hornle
  • Process for the production of polyamide-6-filaments of the .gamma.-modification
    Patent number: 4102965
    Abstract: The invention is related to a process for the production of continuous polyamide-6-filaments present in the .gamma.-modification both before and after stretching at room temperature by spinning polyamide-6 with a relative solution viscosity of from 2.3 to 3.1, preferably from 2.6 to 2.85, as measured on a 1% solution in m-cresol, wherein the filaments (a) after leaving the spinneret, are cooled by air-blowing and preoriented up to an elongation at break of from 50 to 80%, preferably from 55 to 75%, by being run off, preferably in the absence of godets, at a speed of 3700 to 4500 m/min; (b) before winding into package form and during take-off, are prepared with an aqueous preparation oil in such a way that they contain less than 3.0% by weight of water, and (c) before winding into package form are subjected to interlacing.
    Type: Grant
    Filed: March 10, 1976
    Date of Patent: July 25, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Harry Kubitzek, Karlheinz Feltgen, Friedrich-Karl Rosendahl