Patents by Inventor Karl F. Mueller

Karl F. Mueller 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: 4242516
    Abstract: The invention is directed to fluorinated compounds of the formula ##STR1## wherein R.sub.f is a perfluoroalkyl or perfluoroalkoxyperfluoroalkyl group, R.sup.1 is a branched or straight chain alkylene, alkylenethioalkylene, alkyleneoxyalkylene or alkyleneiminoalkylene group, X is oxygen or an amino group, Q is an organic group containing at least one amino group and y is zero or 1, and the corresponding succinimides. These compounds are useful as surfactants.
    Type: Grant
    Filed: January 12, 1978
    Date of Patent: December 30, 1980
    Assignee: Ciba-Geigy Corporation
    Inventor: Karl F. Mueller
  • Patent number: 4224427
    Abstract: The disclosure describes an improved process for the preparation of uniform, spherical beads of up to 5 mm diameter of a crosslinked, water-insoluble hydrogel by suspension polymerization in a concentrated aqueous salt solution of 95-30% by weight of a monoolefinic water-soluble monomer containing at least 5% of a hydroxy substituted hydrophilic vinyl monomer with 5-70% by weight of a terminal diolefinic macromer crosslinking agent in the presence of water-insoluble, gelatinous, strong water-bonding inorganic metal hydroxides as suspending agents in the absence of excess alkali. The hydrogels have a host of pharmaceutical and industrial uses.
    Type: Grant
    Filed: June 1, 1978
    Date of Patent: September 23, 1980
    Assignee: Ciba-Geigy Corporation
    Inventors: Karl F. Mueller, Sonia J. Heiber, Walter L. Plankl
  • Patent number: 4192827
    Abstract: A water-insoluble hydrophilic gel comprising: (A) about 30 to about 90% of a hydrophilic (a) polymer of identical or different water-soluble mono-olefinic monomers, or (b) copolymer of said water-soluble monomers with 1 to 70% of water-insoluble, identical or different mono-olefinic monomers, which polymer or copolymer is cross-linked with (B) about 10 to about 70% of a terminal diolefinic hydrophobic macromer having a molecular weight from about 400 to about 8000.
    Type: Grant
    Filed: March 3, 1978
    Date of Patent: March 11, 1980
    Assignee: Ciba-Geigy Corporation
    Inventors: Karl F. Mueller, William R. Good
  • Patent number: 4177056
    Abstract: A water-insoluble hydrophilic gel comprising: (A) about 30 to about 90% of a hydrophilic (a) polymer of identical or different water-soluble mono-olefinic monomers, or (b) copolymer of said water-soluble monomers with 1 to 70% of water-insoluble, identical or different mono-olefinic monomers, which polymer or copolymer is cross-linked with (B) about 10 to about 70% of a terminal diolefinic hydrophobic macromer having a molecular weight from about 400 to about 8000.
    Type: Grant
    Filed: January 25, 1978
    Date of Patent: December 4, 1979
    Assignee: Ciba-Geigy Corporation
    Inventors: Karl F. Mueller, William R. Good
  • Patent number: 4171282
    Abstract: The perfluoroalkylthio-substituted half esters and amides of succinic acid having the formula ##STR1## wherein R.sub.f is a perfluoroalkyl, R.sup.1 alkylene optionally interrupted with oxygen, sulfur or nitrogen atom, X is oxygen or NH, y is zero or 1, Q is a polyether or polyester diradical moiety having a molecular weight of 300 to 5000 or a polysiloxane having 5 to 80 repeating units and A is hydrogen, hydroxyl, amino, alkoxy of 1 to 21 carbons, phenoxy, alkylphenoxy of 7 to 20 carbons, dialkylamino where each alkyl has 1 to 18 carbons or the group ##STR2## said compounds being prepared by first reacting maleic anhydride with a polyether, polyester, diamine or a polysiloxane derivative of an alcohol or a primary amine and then reacting the product with a perfluoroalkyl alkylene thiol. The novel compounds are useful as surfactants with specific applications as wetting agents in coatings, waxes, emulsions, paints and resins.
    Type: Grant
    Filed: December 7, 1977
    Date of Patent: October 16, 1979
    Assignee: Ciba-Geigy Corporation
    Inventor: Karl F. Mueller
  • Patent number: 4161602
    Abstract: The invention is directed to fluorinated compounds of the formula ##STR1## wherein R.sub.f is a perfluoroalkyl or perfluoroalkoxyperfluoroalkyl group, R.sup.1 is a branched or straight chain alkylene, alkylenethioalkylene, alkyleneoxyalkylene or alkyleneiminoalkylene group, X is oxygen or an amino group, Q is an organic group containing at least one amino group and y is zero or 1, and the corresponding succinimides. These compounds are useful as surfactants.
    Type: Grant
    Filed: January 12, 1978
    Date of Patent: July 17, 1979
    Assignee: Ciba-Geigy Corporation
    Inventor: Karl F. Mueller
  • Patent number: 4161590
    Abstract: The invention is directed to fluorinated compounds of the formula ##STR1## wherein R.sub.f is a perfluoroalkyl or perfluoroalkoxy-perfluoroalkyl group, R.sup.1 is a branched or straight chain alkylene, alkylenethioalkylene, alkyleneoxy-alkylene or alkyleneiminoalkylene group, X is oxygen or an amino group, Q is an organic group containing at least one amino group and y is zero or 1, and the corresponding succinimides. These compounds are useful as surfactants.
    Type: Grant
    Filed: January 12, 1978
    Date of Patent: July 17, 1979
    Assignee: Ciba-Geigy Corporation
    Inventor: Karl F. Mueller
  • Patent number: 4153590
    Abstract: This invention describes new perfluoroalkyl substituted esters, diesters and polyesters which contain at least one cyclic 5-membered anhydride group or two carboxy groups, as well as half amides and half esters thereof; their synthesis and their use as surface-active reactants in polycondensate resin systems.The anhydrides are synthesized by reaction of perfluoroalkyl substituted alcohols or diols with dianhydrides or an anhydrides-acid chloride and have the general structure ##STR1## wherein: Q is the tetra-radical rest of a tri- or tetracarboxylic acid, which contains at least one 1,2-dicarboxy grouping,X is hydrogen or COOH,R.sub.f is a perfluoroalkyl or perfluoroalkoxyperfluoroalkyl group of 4 to 18 carbon atoms,A is 1 or 2,A is hydrogen or ##STR2## wherein: M IS AN INTEGER FROM 0 TO 5, ANDR.sup.3 is the residue of a R.sub.f substituted alcohol or diol.
    Type: Grant
    Filed: August 29, 1977
    Date of Patent: May 8, 1979
    Assignee: Ciba-Geigy Corporation
    Inventor: Karl F. Mueller
  • Patent number: 4136250
    Abstract: A water-insoluble hydrophilic gel comprising (A) about 20 to about 90% by weight of a hydrophilic (a) polymer of identical or different water-soluble monoolefinic monomers, or (b) copolymer of said water-soluble monomers with 1 to 80% (of total monomers) of water-insoluble, identical or different monoolefinic monomers; which polymer or copolymer is cross-linked with (B) about 10 to about 80% by weight of a terminal polyolefinic siloxane macromer having a molecular weight from about 400 to about 8500.
    Type: Grant
    Filed: July 20, 1977
    Date of Patent: January 23, 1979
    Assignee: Ciba-Geigy Corporation
    Inventors: Karl F. Mueller, Eduard K. Kleiner
  • Patent number: 4133820
    Abstract: This invention describes new perfluoroalkyl substituted esters, diesters and polyesters which contain at least one cyclic 5-membered anhydride group or two carboxy groups, as well as half amides and half esters thereof; their synthesis and their use as surface-active reactants in polycondensate resin systems.The anhydrides are synthesized by reaction of perfluoroalkyl substituted alcohols or diols with dianhydrides or an anhydrides-acid chloride and have the general structure ##STR1## wherein: Q is the tetra-radical rest of a tri- or tetracarboxylic acid, which contains at least one 1,2-dicarboxy grouping,X is hydrogen or COOH,R.sub.f is perfluoroalkyl or perfluoroalkoxyperfluoroalkyl group of 4 to 18 carbon atoms,A is 1 or 2,A is hydrogen or ##STR2## wherein: m is an integer from 0 to 5, and R.sup.3 is the residue of a R.sub.f substituted alcohol or diol.
    Type: Grant
    Filed: August 29, 1977
    Date of Patent: January 9, 1979
    Assignee: Ciba-Geigy Corporation
    Inventor: Karl F. Mueller