Patents by Inventor Peter Markusch

Peter Markusch 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).

  • Publication number: 20050158131
    Abstract: The present invention relates to a geotextile/polyurethane composite prepared from one or more geotextiles and a blocked isocyanate composition and also to a process for preparing such composites. The inventive geotextile/polyurethane composites may find use as liners for canals and ditches for irrigation and wastewater, roof membranes, secondary containment, etc.
    Type: Application
    Filed: January 20, 2004
    Publication date: July 21, 2005
    Inventors: Peter Markusch, Ralf Guether, Thomas Sekelik
  • Publication number: 20050066697
    Abstract: This invention relates to polyurethane(urea) encapsulated fertilizer particles which exhibit slow-release properties and to a process for their production. In one embodiment, the process comprises a) applying a polyisocyanate component to fertilizer particles to form isocyanate coated fertilizer particles, b) mixing an inert inorganic filler with said isocyanate coated fertilizer, c) adding an isocyanate-reactive component to the mixture of step b) and d) allowing the reactive components to react to form filler containing polyurethane(urea) encapsulated fertilizer particles containing from about 1 to about 15 percent by weight of filled polyurethane(urea), said percent by weight based on the total weight of the encapsulated fertilizer, with the proviso that the weight ratio of polyurethane(urea) to filler is from about 80:20 to about 30:70.
    Type: Application
    Filed: September 30, 2003
    Publication date: March 31, 2005
    Inventors: Robert Cline, Peter Markusch, Ralf Guether
  • Publication number: 20050058838
    Abstract: The present invention relates to geotextile/polyurethane/polyurea and/or geotextile/polyurea composites prepared by soaking geotextiles with one-component heterogeneous liquid polyurethane compositions and subsequently curing by heat or solvent addition to form a geotextile/polyurethane composite. The inventive composites may find use as liners for canals and ditches for irrigation and wastewater, roof membranes, secondary containment, etc.
    Type: Application
    Filed: September 12, 2003
    Publication date: March 17, 2005
    Inventors: Peter Markusch, Ralf Guether, Thomas Sekelik
  • Publication number: 20050058515
    Abstract: The present invention relates to a geotextile/polymer composite prepared from one or more geotextiles and an aqueous polymer dispersion and also to a process for preparing such composites. The inventive composites may find use as liners for canals and ditches for irrigation and wastewater, roof membranes, secondary containment, etc.
    Type: Application
    Filed: September 12, 2003
    Publication date: March 17, 2005
    Inventors: Peter Markusch, Ralf Guether, Thomas Sekelik
  • Patent number: 4855490
    Abstract: The present invention relates to a polyisocyanate adduct mixture which at a 100% solids concentration has an isocyanate content of about 4 to 19 weight percent and is liquid at room temperature. The adduct mixture is prepared from a biuret-containing polyisocyanate and a monohydroxy alcohol which contains 11 to 36 carbon atoms. The adduct mixture possesses good storage stability in common polyisocyanate solvents and good compatibility with apolar solvents. The present invention also relates to the use of the liquid polyisocyante adduct mixture in the process of curing alkyd or acrylic resins and to compositions containing the adduct mixture and alkyd or acrylic resins.
    Type: Grant
    Filed: October 25, 1988
    Date of Patent: August 8, 1989
    Assignee: Mobay Corporation
    Inventors: Peter Markusch, George A. Hudson, deceased
  • Patent number: 4408008
    Abstract: The present invention relates to a process for the preparation of stable, colloidal, aqueous dispersions of cross-linked urea-urethanes which comprises reacting(a) an aqueously dispersed, substantially linear, isocyanate-terminated prepolymer having a molecular weight of up to about 25,000 and containing(i) about 0 to 120 milliequivalents of ionic groups per 100 grams of prepolymer, and(ii) about 0.35 to 10% by weight, based on the weight of the prepolymer, of lateral and/or terminal, hydrophilic ethylene oxide units wherein components (i) and (ii) are present in an amount sufficient to provide a stable dispersion of the prepolymer in the aqueous medium, with(b) polyfunctional amine chain extenders having an average functionality between about 2.2 and 6.0.The present invention additionally relates to the aqueous dispersions produced by the above process and to the films, coatings or adhesives produced from these dispersions.
    Type: Grant
    Filed: July 24, 1981
    Date of Patent: October 4, 1983
    Assignee: Mobay Chemical Corporation
    Inventor: Peter Markusch
  • Patent number: 4355138
    Abstract: The present invention is directed to light stable polyisocyanate adduct mixtures with an average functionality greater than 2.0 and an isocyanate content of between about 4 and 19 percent by weight based on solids, which has good compatibility with apolar solvents and good storage stability in a solution of polyisocyanate solvents. The polyisocyanate adduct mixtures are based on the reaction product of a polyisocyanate, preferably a biuret-containing polyisocyanate, with a first monohydroxy compound containing a saturated hydrocarbon chain of at least 8 carbon atoms and a second monohydroxy compound containing at least one polarity inducing group. Alternatively, both the saturated hydrocarbon chain and the polarity inducing group may be present in the same monohydroxy compound.The present invention is additionally directed to the use of the polyisocyanate adduct mixtures in the process of curing alkyd or acrylic resins and to compositions containing the adduct mixture and alkyd or acrylic resins.
    Type: Grant
    Filed: July 10, 1981
    Date of Patent: October 19, 1982
    Assignee: Mobay Chemical Corporation
    Inventors: Peter Markusch, George A. Hudson, deceased, by Richard L. White, administrator
  • Patent number: 4293474
    Abstract: The instant invention is directed to aqueous dispersions or solutions of polyurethane ionomer characterized by(a) hydrophilic polyalkylene oxide polyether chains in the polyurethane having an ethylene oxide unit content of from 1.2 to 50% by weight based on the polyurethane solid content,(b) a content of from 5 to 250 milliequivalents of ionic groups incorporated in the polyurethane per 100 grams of polyurethane solids content, and(c) from 0.5 to 100% by weight of water soluble electrolytes dissolved in water, based on the polyurethane solids content.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: October 6, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter Dieterich, Peter Markusch
  • Patent number: 4289672
    Abstract: Glass fibers for reinforcing thermoplastic resins are sized with an aqueous dispersion comprising a polyurethane-ionomer as a film-forming agent and a bonding agent comprising an epoxy-containing alkoxysilane. Advantageously the polyurethane is a very small particle ionomer and the bonding agent is selected from the group consisting of(a) an epoxyalkyl alkoxysilane+an aminoalkyl alkoxysilane,(b) an epoxyalkyl alkoxysilane+a low-molecular weight aliphatic primary or secondary mono-amine,(c) an aminoalkyl alkoxysilane+a low-molecular weight monoepoxide, and(d) an epoxyalkyl alkoxysilane.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: September 15, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Friederich, Gerhard Heinze, Helmut Reiff, Dietrich Michael, Manfred Schon, Peter Markusch, Ulrich Haberland, Dieter Dieterich, Josef Merten
  • Patent number: 4276404
    Abstract: The instant invention is directed to a process for the production of inorganic-organic synthetic materials having high strength, elasticity, dimensional stability under heat, and flame resistance, consisting of a polymer-polysilicic acid gel composite material in the form of a solid/solid xerosol, said process comprising mixing(a) an organic polyisocyanate,(b) an aqueous basic solution and/or an aqueous basic suspension having an inorganic solid content of from 20-80% by weight preferably from 30-70% by weight,(c) a flowable inorganic compound and optionally(d) catalysts and other additives and allowing the resulting mixture to react, characterized in that mixing is carried out by first combining components (a) and (b), optionally with the addition of all or part of component (d), to form a stable primary dispersion and thereafter adding component (c), optionally the addition of all or part of component (d), to form a final dispersion.
    Type: Grant
    Filed: August 1, 1978
    Date of Patent: June 30, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Joachim Scholl, Dieter Dieterich, Peter Markusch
  • Patent number: 4238378
    Abstract: The instant invention is directed to novel polyurethane cationic electrolyte-stable dispersions characterized by lateral or terminal polyalkylene oxide polyether chains containing from 2 to 10%, by weight, of ethylene oxide units, based on the total weight of the polyurethane; a content of ##STR1## groups of from 16 to 100 milliequivalents per 100 g of polyurethane; an average particle size of from 50 to 300 m.mu.; and a solids content of from 10 to 45%.
    Type: Grant
    Filed: November 8, 1977
    Date of Patent: December 9, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Markusch, Klaus Noll, Dieter Dieterich
  • Patent number: 4198487
    Abstract: The instant invention is directed to a process for the production of inorganic-organic synthetic materials having high strength, elasticity, dimensional stability under heat, and flame resistance, consisting of a polymer-polysilicic acid gel composite material in the form of a solid/solid xerosol, said process comprising mixing(a) an organic polyisocyanate,(b) an aqueous basic solution and/or an aqueous basic suspension having an inorganic solid content of from 20 to 80% by weight, preferably from 30 to 70% by weight,(c) an organic compound containing at least one isocyanate reactive hydrogen atom and at least one non-ionic-hydrophilic group and(d) optionally catalysts and other additivesand leaving the resulting mixture to react, characterized in that components (a) and (b), optionally with the addition of part or all of component (d) are first mixed together to form a stable primary dispersion and thereafter component (c), optionally with the addition of all or part of component (d), is added to form the fi
    Type: Grant
    Filed: August 1, 1978
    Date of Patent: April 15, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Joachim Scholl, Dieter Dieterich, Peter Markusch, Rainer Welte
  • Patent number: 4190459
    Abstract: This disclosure teaches a method of forming mineral mates by using an emulsion of water glass and isocyanates as the binder. This binder composition may be readily dispersed with air and has superior adhesion to mineral fibers.
    Type: Grant
    Filed: June 21, 1978
    Date of Patent: February 26, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rainer Welte, Peter Markusch, Dieter Dieterich, Werner Dietrich
  • Patent number: 4176118
    Abstract: This invention relates to new aromatic uretdione-diisocyanate-disulphonic acids, to a process for the preparation thereof and to the use thereof as components for the production of polyurethane resins. More particularly, the instant invention relates new aromatic uretdione-diisocyanate-disulphonic acids of the general formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each represent a hydrogen, chlorine or bromine atom or a methyl, ethyl or C.sub.1 -C.sub.4 alkoxy group;x represents --O--, >C.dbd.O, >SO.sub.2, ##STR2## or --CH.dbd.CH-- wherein R.sub.7 and R.sub.8 each represent a hydrogen atom, a methyl or ethyl group or, when taken together with the carbon atom to which they are attached represent a cyclohexyl group; andn represents 0 or 1.These novel compounds are prepared by reacting a diisocyanate of general formula: ##STR3## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, n and x are as defined above with SO.sub.3 at temperatures of from -30.degree.
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: November 27, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Marcel Petinaux, Dieter Dieterich, Peter Markusch
  • Patent number: 4160851
    Abstract: This invention relates to the production of composites of organic polyisocyanate plastics and metals. The metals are pretreated with certain adhesion promoters in order to increase adhesion between the metal and the plastic. The pretreated metal sheet or foil is brought into contact with the reaction mixture during the chemical reaction while the plastic is being formed.
    Type: Grant
    Filed: July 21, 1977
    Date of Patent: July 10, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Jurgen Lienert, Helmut Kleimann, Dieter Dieterich, Wulf VON Bonin, Klaus Friederich, Peter Markusch
  • Patent number: 4146509
    Abstract: The instant invention is directed to a process for the production of inorganic-organic resins, by reaction of an organic polyisocyanate with aqueous basic solutions having an inorganic solid content of from 20 to 80% by weight in the presence of catalysts and optionally other additives, characterized in that the organic polyisocyanate and the aqueous basic solution are used in a proportion by weight of between 80:20 and 10:90 parts by weight and that organic ammonium compounds are used as catalysts.
    Type: Grant
    Filed: December 23, 1976
    Date of Patent: March 27, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Markusch, Dieter Dieterich, Norbert Kunstler
  • Patent number: 4144267
    Abstract: Aromatic polyisocyanates containing sulphonic acid or sulphonate groups which are substantially free from crystalline product and a method for making them are provided wherein a mixture of aromatic polyisocyanates having an isocyanato content of from about 10% to about 42% by weight is sulphonated, the improvement which comprises mixing and reacting liquid aromatic polyisocyanates having a viscosity of from about 8 cP to about 49 cP at 25.degree. C. and containing at least 40% by weight of phosgenation products of an aniline-phosgenation condensate and at least about 20% by weight of 2,6-tolylene diisocyanate, 2,4'-diphenylmethane diisocyanate, 2,2'-diphenylmethane diisocyanate or a mixture thereof, based on the weight of said liquid aromatic polyisocyanates with a sulphonating agent in an amount equivalent to from about 0.1% to about 40% by weight sulphur trioxide, based on the weight of said liquid aromatic polyisocyanates.
    Type: Grant
    Filed: November 26, 1974
    Date of Patent: March 13, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter Dieterich, Peter Markusch
  • Patent number: 4142030
    Abstract: An inorganic-organic plastic having improved strength, elasticity, dimensional stability with increase in temperature and flame resistace and adapted for use in filling cracks and cavities and for making materials useful in the building industry is prepared by (1) premixing (c) an organic compound having at least two reactive hydrogen and at least one non-ionic hydrophilic group with (b) an aqueous silicate and then mixing the resulting mixture with (a) an organic polyisocyanate or (2) mixing (a), (b) and (c) simultaneously and reacting the mixture thus obtained to form a colloidal xerosol.
    Type: Grant
    Filed: May 11, 1977
    Date of Patent: February 27, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter Dieterich, Peter Markusch, Helmut Reiff
  • Patent number: 4129696
    Abstract: The instant invention is directed to a novel process for the production of inorganic/organic plastic materials and the resultant products. The process generally comprises reacting an aqueous alkali metal silicate solution with a liquid organic polyisocyanate having a viscosity at 25.degree. C of at least about 400 cP. Preferably, the process is utilized to produce high quality, lightweight foams having excellent physical properties.
    Type: Grant
    Filed: March 5, 1976
    Date of Patent: December 12, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Markusch, Dieter Dieterich, Manfred Dietrich
  • Patent number: 4105594
    Abstract: The instant invention relates to hydrophobic inorganic-organic lightweight foams produced from aqueous suspensions of finely divided water-insoluble inorganic materials and polyisocyanates. More particularly, the invention relates to a process for the production of highly filled, hydrophobic, lightweight polyurea foams comprising reacting(a) liquid, water insoluble polyisocyanates free from ionic groups, having viscosities of more than 200 cP at 25.degree. C. and having isocyanate functionalities of greater than 2.1, with(b) an aqueous suspension of inorganic filler, said suspension having a solids content of from 30 to 80 percent by weight and having a pH value of above 8, at least 50 percent by weight of the suspended fillers having a particle size of less than 50 microns,(c) in the presence of the foam stabilizer of the polyether/polysiloxane type and in the presence of a tertiary amine catalyst,The weight ratio of components (b) to component (a) being better 1:2 and 6:1.
    Type: Grant
    Filed: May 18, 1976
    Date of Patent: August 8, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter Dieterich, Peter Markusch