Patents by Inventor Albert Munkel

Albert Munkel 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: 5681876
    Abstract: Pulverulent pigment preparation comprising a) an organic or inorganic pigment, b) a compound from the group consisting of novolaks, alkoxylated fatty alcohols, bisphenol polyglycol ethers, alkoxylated fatty amines, alkoxylated fatty acids or the esterification and/or arylation products prepared from a natural or modified castor oil fatty compound, which are alkoxylated and, if desired, esterified with dicarboxylic acids to form linked structural repeating units, c) a water-soluble mixture of polyvinyl alcohol and vinyl alcohol or of vinyl alcohol copolymers, and d) further customary additives, the sum of all components being 100% by weight. Plasters and emulsion paints are pigmented by simply stirring in the pulverulent pigment preparation.
    Type: Grant
    Filed: June 27, 1996
    Date of Patent: October 28, 1997
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Manfred Schneider, Dieter Schnaitmann, Rainer Klein, Albert Munkel
  • Patent number: 5440060
    Abstract: The demands on the properties of pigments, in particular in the areas of emulsion paints and printing inks, which are continuously becoming more specific made it necessary to develop selective and environmentally safe dispersing and emulsifying agents and coupling auxiliaries.The compounds according to the invention are alkoxylation products prepared from fatty amine dialkylenediamines which, if desired, are linked to give recurring structural units by means of esterification with dicarboxylic acids and in which, preferably, the hydroxyl end groups of these fatty amine alkylenediamine alkoxylates have been esterified with fatty acids, aromatic carboxylic acids and/or resin acids and any hydroxyl groups still present have been converted to the corresponding mono-ester-containing anionic radicals by means of dicarboxylic acids and sulfites.
    Type: Grant
    Filed: August 30, 1993
    Date of Patent: August 8, 1995
    Assignee: Hoechst AG
    Inventors: Heinz Uhrig, Albert Munkel
  • Patent number: 5420315
    Abstract: The demands on the properties of pigments, in particular in the fields of emulsion paints and printing inks, which constantly become more specific have made it necessary to develop selective and environmentally friendly dispersing, emulsifying and coupling auxiliaries.The compounds according to the invention are esterification and/or arylation products prepared from natural or modified castor oil or ricinoleic acids, which products are alkoxylated and, if desired, linked by esterification with dicarboxylic acids to give recurring structural units. If desired, the terminal hydroxyl groups of these modified alkoxylates of castor oil fatty substances have been esterified with fatty acids, aromatic carboxylic acids and/or resin acids and any free hydroxyl groups which may be present have preferably been reacted with dicarboxylic acids and sulfite to give the corresponding monoesters containing anionic radicals.
    Type: Grant
    Filed: August 11, 1993
    Date of Patent: May 30, 1995
    Assignee: Hoechst AG
    Inventors: Heinz Uhrig, Albert Munkel
  • Patent number: 4986851
    Abstract: The invention relates to pigment dispersions which contain, as dispersing agents, alkylglycol ether-sulfates and phosphoric acid esters of fatty alcohols and oxyethylated fatty alcohols and which are suitable for pigmenting aqueous media, in particular cosmetic articles, such as soaps, fingerpaint colors and washing powders.
    Type: Grant
    Filed: March 22, 1989
    Date of Patent: January 22, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erwin Dietz, Albert Munkel, Ferdinand Memmel
  • Patent number: 4812492
    Abstract: Aqueous pigment preparations which contain (a) 5 to 80% by weight of a finely-divided inorganic and/or organic pigment, (b) 5 to 80% by weight of an aequeous polyurethane dispersion, (c) 2 to 80% by weight of water and (d) 0 to 50% by weight of an organic solvent.
    Type: Grant
    Filed: July 27, 1987
    Date of Patent: March 14, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Helmut Eckes, Rainer Winter, Albert Munkel
  • Patent number: 4631330
    Abstract: Addition products formed from polymeric diphenylmethane 4,4'-diisocyanates, amines, monoactive and diactive polymers are suitable for use as dispersants for solids in organic media.
    Type: Grant
    Filed: December 16, 1985
    Date of Patent: December 23, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erwin Dietz, Albert Munkel, Otmar Hafner, Wolfgang Rieper, Adolf Kroh
  • Patent number: 4451656
    Abstract: In the present application, addition compounds of hydroxyalkylimidazolines, aromatic or araliphatic diisocyanates and polyols are described and claimed, as are their preparation by reaction, initially of two reactants and then with the third, optionally in an inert solvent, and the use of these addition compounds as dispersants for solid materials in non-aqueous liquids, in particular pigment dispersions.
    Type: Grant
    Filed: September 3, 1982
    Date of Patent: May 29, 1984
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erwin Dietz, Albert Munkel