Patents by Inventor Alfred Hohener

Alfred Hohener 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).

  • Shading process
    Patent number: 8685116
    Abstract: The present invention relates to a shading process characterized by using a composition comprising a phthalocyanine to which at least one dyestuff is attached through a covalent bonding, to shading compositions, to new compounds used in these shading compositions as well as to the production of these new compounds.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: April 1, 2014
    Assignee: BASF SE
    Inventors: Alfred Hohener, Frank Bachmann, Adolf Kaser, Chandrasekhar Dayal Mudaliar, Dinesh Narendra Rele, Sneha Shankar Rane, Georg Roentgen
  • Shading Process
    Publication number: 20090105108
    Abstract: The present invention relates to a shading process characterized by using a composition comprising a phthalocyanine to which at least one dyestuff is attached through a covalent bonding, to shading compositions, to new compounds used in these shading compositions as well as to the production of these new compounds.
    Type: Application
    Filed: August 22, 2005
    Publication date: April 23, 2009
    Inventors: Alfred Hohener, Frank Bachmann, Adolf Kaser, Chandrasekhar Dayal Mudaliar, Dinesh Narendra Rele, Sneha Shankar Rane, Georg Roentgen
  • Shading compostion
    Publication number: 20060205624
    Abstract: The present invention relates to a composition comprising at one photocatalyst and at least one azo dyestuff and/or at least one triphenylmethane dyestuff, which produces in the CIElab colour coordinate system a relative hue angle of 220-320° , to a detergent composition, a fabric softener composition as well as to a shading
    Type: Application
    Filed: July 28, 2004
    Publication date: September 14, 2006
    Inventor: Alfred Hohener
  • Aqueous dye solutions
    Publication number: 20020010971
    Abstract: The aqueous dye solutions of the composition shown in claim 1 are distinguished by a good storage stability and are suitable for dyeing paper in red color shades.
    Type: Application
    Filed: April 17, 2001
    Publication date: January 31, 2002
    Inventors: Alfred Hohener, Roland Frick, Adolf Kaeser
  • Process for producing multicolor or tone-in-tone effects
    Patent number: 5360455
    Abstract: There is disclosed a process for producing multicolor or tone-in-tone effects on natural and synthetic polyamide fiber material by subjecting flocks, slubbing, yarn or selected areas of piece goods to a plasma or corona discharge treatment before dyeing and subsequently dyeing the pretreated material with an anionic dye.Dyeings with very good differentiation of depth of shade on homogeneous polyamide fiber material are obtained by the process of this invention without the addition of resist agents or levelling agents.
    Type: Grant
    Filed: February 26, 1993
    Date of Patent: November 1, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Klaus Hannemann, Alfred Hohener, Huanzhong Wang, Manfred Rembold
  • Cationic compounds
    Patent number: 5037979
    Abstract: Novel cationic compounds of formula ##STR1## wherein R.sub.1 and B are as defined in claim 1, are used for photochemically stabilizing basic dyeable polyamide, polyacrylonitrile and polyester fibre materials. The preparation of the novel compounds and of the novel starting materials is also described.
    Type: Grant
    Filed: July 18, 1989
    Date of Patent: August 6, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Alfred Hohener, Kurt Burdeska, Gerhard Reinert