Patents by Inventor Hans Batzer

Hans Batzer 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: 4461709
    Abstract: Use of succinosuccinic acid diesters of the formula ##STR1## in which R is an alkyl, alkenyl or cycloalkyl having 4 to 24 C atoms, either dissolved in a water-immiscible organic solvent, or at elevated temperature in the form of their melts, as cation-selective liquid membranes.
    Type: Grant
    Filed: September 22, 1982
    Date of Patent: July 24, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans Batzer, Joel Sinnreich
  • Patent number: 4400296
    Abstract: Use of succinosuccinic acid diesters of the formula ##STR1## in which R is an alkyl, alkenyl or cycloalkyl having 4 to 24 C atoms, either dissolved in a water-immiscible organic solvent, or at elevated temperature in the form of their melts, as cation-selective liquid membranes.
    Type: Grant
    Filed: June 18, 1981
    Date of Patent: August 23, 1983
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans Batzer, Joel Sinnreich
  • Patent number: 4357453
    Abstract: Novel photo-crosslinkable polymers are obtained by reacting, and polycondensing, bis-(hydroxyalkyl) succinylosuccinates or bis-(hydroxycycloalkyl) succinylosuccinates with maleic anhydride, maleinimid or N-methylmaleinimid in a molar ratio of 1:1 to 1:2. The novel polymers are useful as photoresists, and the films consisting of the crosslinked polymers are useful as solvent-resistant membranes for reverse osmosis.
    Type: Grant
    Filed: April 30, 1981
    Date of Patent: November 2, 1982
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans Batzer, Joel Sinnreich
  • Patent number: 4305823
    Abstract: Polymers from the group consisting of cellulose and its ester and ether derivatives, of polyvinyl alcohol and its ester derivatives, copolymers with vinyl esters and homopolymers and copolymers of acrylates and methacrylates are modified with monofunctional or difunctional cyclic .beta.-ketonic acids or their esters, in particular with succinylsuccinic acid or its ester derivatives. The modified polymers are particularly suitable for obtaining semi-permeable membranes for osmotic separation methods.
    Type: Grant
    Filed: July 25, 1980
    Date of Patent: December 15, 1981
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans Batzer, Joel Sinnreich
  • Patent number: 4249000
    Abstract: Polymers from the group consisting of cellulose and its ester and ether derivatives, of polyvinyl alcohol and its ester derivatives, polymers with vinyl esters and homopolymers and copolymers of acrylates and methacrylates are modified with monofunctional or difunctional cyclic .beta.-ketonic acids or their esters, in particular with succinylsuccinic acid or its ester derivatives. The modified polymers are particularly suitable for obtaining semi-permeable membranes for osmotic separation methods.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: February 3, 1981
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans Batzer, Joel Sinnreich
  • Patent number: 4244842
    Abstract: The invention provides nickel and cobalt chelate complexes of a nickel or cobalt salt and a succinosuccinate of the formula I ##STR1## wherein R represents a substituted or unsubstituted hydrocarbon radical of aliphatic or aromatic character. These complexes are excellent adhesion promoters for vulcanized rubber on metal surfaces.
    Type: Grant
    Filed: February 14, 1979
    Date of Patent: January 13, 1981
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans Batzer, Gerrit Knobloch, Joel Sinnreich
  • Patent number: 4227005
    Abstract: New dialcohols of mononuclear, five-membered or six-membered, unsubstituted or substituted N-heterocyclic compounds which contain two NH-groups in the molecule, by reaction of mononuclear, five-membered or six-membered, unsubstituted or substituted N-heterocyclic compounds, for example hydantoin, barbituric acid, uracil, dihydrouracil, parabanic acid and the corresponding derivatives, with ethylene oxide or propylene oxide to give dialcohols. These diols are useful as intermediates for the preparation of polymers, such as polyesters or polyurethanes, or of epoxy resins.
    Type: Grant
    Filed: October 31, 1978
    Date of Patent: October 7, 1980
    Assignee: Ciba-Geigy AG
    Inventors: Hans Batzer, Jurgen Habermeier, Daniel Porret
  • Patent number: 4163099
    Abstract: Linear thermoplastic polyesters obtained from (a) dicarboxylic acids which contain NH groups, (b) if desired, terephthalic acid and/or isophthalic acid, (c) if desired, diols containing aliphatic diol groups and (d) .beta.-hydroxyalkylated bisphenols are materials from which it is possible to produce shaped articles which have good properties, for example good resistance to stress cracking and stability to thermooxidative degradation, and also a low absorption of water.
    Type: Grant
    Filed: March 22, 1978
    Date of Patent: July 31, 1979
    Assignee: Ciba-Geigy Corporation
    Inventors: Lothar Buxbaum, Jurgen Habermeier, Hans Batzer
  • Patent number: 4161594
    Abstract: New dialcohols of mononuclear, five-membered or six-membered, unsubstituted or substituted N-heterocyclic compounds which contain two NH-groups in the molecule, by reaction of mononuclear, five-membered or six-membered, unsubstituted or substituted N-heterocyclic compounds, for example hydantoin, barbituric acid, uracil, dihydrouracil, parabanic acid and the corresponding derivatives, with ethylene oxide or propylene oxide to give dialcohols. These diols are useful as intermediates for the preparation of polymers, such as polyesters or polyurethanes, or of epoxy resins.
    Type: Grant
    Filed: January 17, 1975
    Date of Patent: July 17, 1979
    Assignee: Ciba-Geigy AG
    Inventors: Hans Batzer, Jurgen Habermeier, Daniel Porret
  • Patent number: 4060525
    Abstract: New mono- or dialcohols of mononuclear, five-membered or six-membered, unsubstituted or substituted N-heterocyclic compounds which contain two NH-groups in the molecule, by reaction of mononuclear, five-membered or six-membered, unsubstituted or substituted N-heterocyclic compounds, for example hydantoin, barbituric acid, uracil, dihydrouracil, parabanic acid and the corresponding derivatives, with butene oxid, 1,2-cyclopentene oxide or 1,2-cyclohexene oxide to give monoalcohols or dialcohols. These compounds are useful as intermediates for the preparation of diglycidyl compounds as set forth in German Offenlegungsschrift No. 2,104,259.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: November 29, 1977
    Assignee: Ciba-Geigy AG
    Inventors: Hans Batzer, Juergen Habermeier, Daniel Porret
  • Patent number: 4052366
    Abstract: The polyglycidyl compounds according to the invention can be manufactured by reacting epihalogenohydrin with compounds of the formula IV ##STR1## or the formula V ##STR2## in which (1) n denotes 2, 3 or 4, (2) A represents a 2-valent, 3-valent or 4-valent organic radical which either contains a N-heterocyclic or cycloaliphatic ring or 2 N-heterocyclic rings or 2 phenylene rings, (3) either D denotes the --CH.sub.2.O.CO-- radical and m denotes the number 1, or D denotes the radical ##STR3## and m denotes O, and (4) R.sup.1 represents a divalent radical, which contains at least one hydantoin ring or uracil ring. During the reaction hydrogen halide splits off. From curable mixtures containing polyglycidyl compounds according to the invention and a curing agent such as hexahydrophthalic anhydride or phthalic anhydride are obtained products with good mechanical and electrical properties.
    Type: Grant
    Filed: May 29, 1975
    Date of Patent: October 4, 1977
    Assignee: Ciba-Geigy Corporation
    Inventors: Jurgen Habermeier, Hans Batzer, Daniel Porret
  • Patent number: 4038277
    Abstract: New mono- and dialcohols of binuclear, five-membered or six-membered, unsubstituted or substituted N-heterocyclic compounds, which contain two NH groups in the molecule, by reaction of binuclear, five-membered or six-membered, unsubstituted or substituted, N-heterocyclic compounds, such as bis-(hydantoin) or bis-(dihydrouracil) compounds, for example 1,1'-methylene-bis-(5,5-dimethylhydantoin), bis-(5,5-dimethylhydantoinyl-3)-methane or 1,1'-methylene-bis-(5,6-dihydrouracil) with ethylene oxide, for example ethylene oxide or propylene oxide, to give the corresponding monohydroxy or dihydroxy compounds. These compounds are useful as intermediates for forming diglycidyl ether resins as described in German Offenlegungsschrift No. 2,003,016.
    Type: Grant
    Filed: May 15, 1975
    Date of Patent: July 26, 1977
    Assignee: Ciba-Geigy AG
    Inventors: Juergen Habermeier, Hans Batzer, Daniel Porret
  • Patent number: 4021506
    Abstract: Unsaturated, linear polyesters having flame-retarding properties are obtained by polycondensing unsaturated dicarboxylic acids, optionally mixed with aromatic dicarboxylic acids and aliphatic diols, with brominated and/or chlorinated 1,3-di-(hydroxyalkyl)-benzimidazolone compounds. The new, unsaturated polyesters can be polymerized easily, also when mixed with other polymerizable monomers, and give moulding materials having flame-retarding properties.
    Type: Grant
    Filed: October 30, 1975
    Date of Patent: May 3, 1977
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans Batzer, Jurgen Habermeier
  • Patent number: 4011235
    Abstract: The polyglycidyl compounds according to the invention can be manufactured by reacting epihalogenohydrin with compounds of the formula IV ##STR1## or the formula V ##STR2## in which 1. N DENOTES 2, 3 OR 4,2. A represents a 2-valent, 3-valent or 4-valent organic radical which either contains a N-heterocyclic or cycloaliphatic ring or 2 N-heterocyclic rings or 2-phenylene rings,3. either B denotes the --CH.sub.2.O.CO-- radical and m denotes the number 1, or B denotes the radical ##STR3## and m denotes O, and 4. R.sup.1 represents a divalent radical, which contains at least one hydrantoin ring or uracil ring.During the reaction hydrogen halide splits off. From curable mixtures containing polyglycidyl compounds according to the invention and a curing agent such as hexahydrophthalic anhydride or phthalic anhydride are obtained products with good mechanical and electrical properties.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: March 8, 1977
    Assignee: Ciba-Geigy Corporation
    Inventors: Jurgen Habermeier, Hans Batzer, Daniel Porret
  • Patent number: 4007199
    Abstract: The polyglycidyl compounds according to the invention can be manufactured by reacting epihalogenohydrin with compounds of the formula IV ##STR1## or the formula V ##STR2## in which 1.) n denotes 2, 3 or 4, 2.) A represents a 2-valent, 3-valent or 4-valent organic radical which either contains a N-heterocyclic or cycloaliphatic ring or 2 N-heterocyclic rings or 2 phenylene rings, 3.) either B denotes the --CH.sub.2.O.CO-- radical and m denotes the number 1, or B denotes the radical ##STR3## and m denotes 0, and 4.) R.sup.1 represents a divalent radical, which contains at least one hydrantoin ring or uracil ring. During the reaction hydrogen halide splits off. From curable mixtures containing polyglycidyl compounds according to the invention and a curing agent such as hexahydrophthalic anhydride or phthalic anhydride are obtained products with good mechanical and electrical properties.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: February 8, 1977
    Assignee: Ciba-Geigy Corporation
    Inventors: Jurgen Habermeier, Hans Batzer, Daniel Porret
  • Patent number: 4001236
    Abstract: The polyglycidyl compounds according to the invention can be manufactured by reacting epihalogenohydrin with compounds of the formula IV ##STR1## or the formula V ##STR2## in which 1.) n denotes 2, 3 or 4, 2.) A represents a 2-valent, 3-valent or 4-valent organic radical which either contains a N-heterocyclic or cycloaliphatic ring or 2 N-heterocyclic rings or 2 phenylene rings, 3.) either B denotes the --CH.sub.2.O.CO-- radical and m denotes the number 1, or B denotes the radical ##STR3## and m denotes 0, and 4.) R.sup.1 represents a divalent radical, which contains at least one hydrantoin ring or uracil ring. During the reaction hydrogen halide splits off. From curable mixtures containing polyglycidyl compounds according to the invention and a curing agent such as hexahydrophthalic anhydride or phthalic anhydride are obtained products with good mechanical and electrical properties.
    Type: Grant
    Filed: June 19, 1975
    Date of Patent: January 4, 1977
    Assignee: Ciba-Geigy Corporation
    Inventors: Jurgen Habermeier, Hans Batzer, Daniel Porret
  • Patent number: 3998837
    Abstract: The polyglycidyl compounds according to the invention can be manufactured by reacting epihalogenohydrin with compounds of the formula IV ##STR1## or the formula V ##STR2## in which (1) n denotes 2, 3 or 4, (2) A represents a 2-valent, 3-valent or 4-valent organic radical which either contains a N-heterocyclic or cycloaliphatic ring or 2 N-heterocyclic rings or 2 phenylene rings, (3) either B denotes the --CH.sub.2.O.CO-- radical and m denotes the number 1, or B denotes the radical ##STR3## and m denotes O, and (4) R.sup.1 represents a divalent radical, which contains at least one hydrantoin ring or uracil ring. During the reaction hydrogen halide splits off. From curable mixtures containing polyglycidyl compounds according to the invention and a curing agent such as hexahydrophthalic anhydride or phthalic anhydride are obtained products with good mechanical and electrical properties.
    Type: Grant
    Filed: June 26, 1975
    Date of Patent: December 21, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Jurgen Habermeier, Hans Batzer, Daniel Porret
  • Patent number: 3997511
    Abstract: Unsaturated, linear polyesters having flame-retarding properties are obtained by polycondensing unsaturated dicarboxylic acids, optionally mixed with aromatic dicarboxylic acids and aliphatic diols, with brominated and/or chlorinated 1,3-di-(hydroxyalkyl)-benzimidazolone compounds. The new, unsaturated polyesters can be polymerized easily, also when mixed with other polymerizable monomers, and give moulding materials having flame-retarding properties.
    Type: Grant
    Filed: November 5, 1974
    Date of Patent: December 14, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans Batzer, Jurgen Habermeier
  • Patent number: 3994864
    Abstract: Linear polyesters based on terephthalic acid and/or isophthalic acid and containing di-(hydroxyalkyl) compounds of oligomeric N,N-heterocyclic compounds as the diol component, have higher glass transition temperatures compared with poly-(alkylene) terephthalates. The new polyesters are thermoplastic materials suitable for the manufacture, by customary moulding processes, of mouldings having a higher heat distortion point.
    Type: Grant
    Filed: February 24, 1975
    Date of Patent: November 30, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Lothar Buxbaum, Jurgen Habermeier, Hans Batzer
  • Patent number: 3994865
    Abstract: Linear, thermoplastic polyesters based on terephthalic acid, ethylene glycol or 1,4-butanediol, which contain co-condensed chlorinated and/or brominated 1,3-bis-(hydroxyalkyl)-benzimidazolones, crystallize on stretching and are suitable for the manufacture of flame-resistant to flameproof fibers.
    Type: Grant
    Filed: November 5, 1974
    Date of Patent: November 30, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Juergen Habermeier, Hans Batzer