Patents by Inventor Ernst Tempel

Ernst Tempel 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).

  • Patent number: 5152801
    Abstract: There is disclosed a process for dyeing leather by the exhaust process, which comprises treating leather with an aqueous liquor which contains a formulation comprising a black anionic dye and a sulfonated carbon black. The leather dyeings obtained by this process have good allround fastness properties.
    Type: Grant
    Filed: December 5, 1990
    Date of Patent: October 6, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans Altermatt, Alois Puntener, Peter Moser, Ernst Tempel
  • Patent number: 5066309
    Abstract: Concentrated, aqueous preparations of 1:2 metal complex dyes which contain 10 to 30% by weight of a 1:2 metal complex dye, 3 to 25% by weight of an anionic dispersant, 1 to 15% by weight of a polyhydroxy compound and 0 to 25% by weight of a customary formulation assistant, in each case based on the total preparation, and water in an amount such that the sum of all the components is 100%, have an excellent stability, are readily pourable and can be diluted with water as desired, and are therefore particularly suitable for the preparation of dyebaths or printing pastes which are employed, in particular, for continuous dyeing or printing of textile fibrous materials of synthetic polyamide.
    Type: Grant
    Filed: July 10, 1990
    Date of Patent: November 19, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Ernst Tempel, Pia Grimbu/ hler-Can
  • Patent number: 4923481
    Abstract: Aqueous dispersion of a sulfonated metallizable dye containing(a) based on the total weight at least 10% of the sulfonated metallizable dye and(b) a sulfonated condensation product obtained by reacting an aromatic compound having at least two replaceable ring-positioned hydrogen atoms in any desired order with a compound of the formula ##STR1## in which X is a direct bond or oxygen, Hal is chlorine or bromine and n is 1 to 4, and sulfonation.
    Type: Grant
    Filed: December 16, 1988
    Date of Patent: May 8, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Roberto Galli, Ernst Tempel
  • Patent number: 4820311
    Abstract: A solid formulation comprising at least one water-soluble anionic dye, additional optional assistants and a combination of an ethoxylated stearyl diphenyloxyethyl diethylenetriamine and at least one anionic dispersant. Such formulations are distinguished in particular by very good hot water solubility.
    Type: Grant
    Filed: May 25, 1988
    Date of Patent: April 11, 1989
    Assignee: Ciba-Geigy Corporation
    Inventor: Ernst Tempel
  • Patent number: 4465491
    Abstract: The solid dye preparations contain(a) 30-90 percent by weight of a water-soluble dye,(b) 1-25 percent by weight of an aliphatic aminocarboxylic acid or a salt thereof, and(c) 0-50 percent by weight of further additives.There is preferably at least 2% of anionic dispersing agent in the preparations.The preparations are particularly suitable for dyeing textile material made from cotton, polyacrylonitrile, wool or synthetic polyamide.
    Type: Grant
    Filed: July 20, 1983
    Date of Patent: August 14, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Paolo Balliello, Paul Erzinger, Ernst Tempel