Patents by Inventor Horst Pennewiss
Horst Pennewiss 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).
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Patent number: 4753708Abstract: A film forming dispersion for the heat sealing of dissimilar substrate said dispersion comprising at least two different types of polymers having different adhesive properties in an organic solvent system, at least one of the polymer types being fully miscible at room temperature with the organic solvent system, both of said two polymer types having an acid number ranging from 0 to 160 mg KOH per gram of polymer, and said dispersion further containing a third graft polymer containing components corresponding to said two different polymer types.Type: GrantFiled: April 6, 1987Date of Patent: June 28, 1988Assignee: Rohm GmbHInventors: Gerhard Markert, Horst Pennewiss, Waldemar Schleier, Reiner Schnee
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Patent number: 4677151Abstract: What are disclosed are a method for making a concentrated emulsion of an olefin copolymer in a carrier medium suitable for use in oil additives, without previous dissolution of the olefin copolymers, by preparing a solution of an emulsifier of the typeA-X,wherein A represents a sequence or segment of an olefin copolymer, of hydrogenated polyisoprene, or of an hydrogenated butadiene/isoprene copolymer, and X represents a sequence or segment composed of polyacrylate and/or polymethacrylate, in a carrier medium which does not substantially dissolve the olefin copolymers but does dissolve the X sequences, and then emulsifying an olefin copolymer in the solution of the emulsifier in the carrier medium at a temperature from 40.degree. C. to 150.degree. C. with the use of shearing forces, as well as emulsions made by such a method.Type: GrantFiled: June 3, 1985Date of Patent: June 30, 1987Assignee: Rohm GmbHInventors: Horst Pennewiss, Roland Schweder, Wolfgang Tschepat
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Patent number: 4665121Abstract: What are disclosed are concentrated emulsions of an olefin copolymer in a liquid carrier medium which does not dissolve the copolymer and, as an emulsifier, a graft or block copolymer of the formulaA--Y,wherein A represents a sequence or segment of an olefin copolymer, of hydrogenated polyisoprene, or of an hydrogenated butadiene/isoprene copolymer, and Y represents a sequence or segment, formed by the polymerization of vinyl monomers which essentially are not of the acrylate or methacrylate type, which is soluble in the carrier medium, as well as methods for making the same.Type: GrantFiled: July 21, 1986Date of Patent: May 12, 1987Assignee: Rohm GmbHInventors: Horst Pennewiss, Roland Schweder, Helmut Knoell
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Patent number: 4640954Abstract: A suspension of an aqueous solution of a water-soluble polymer in an organic liquid forming a continuous organic phase, said suspension containing, as an emulsifier, a mixture of two copolymers which are similar but differ in their content of basic nitrogen by 0.1 to 1.5 percentage points.Type: GrantFiled: February 1, 1985Date of Patent: February 3, 1987Assignee: Rohm GmbHInventors: Reiner Schnee, Horst Pennewiss, Gerhard Markert
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Patent number: 4622358Abstract: What are disclosed are concentrated emulsions of an olefin copolymer in a liquid carrier medium which does not dissolve the copolymer and, as an emulsifier, a graft or block copolymer of the formulaA--Y,wherein A represents a sequence or segment of an olefin copolymer, of hydrogenated polyisoprene, or of an hydrogenated butadiene/isoprene copolymer, and Y represents a sequence or segment, formed by the polymerization of vinyl monomers which essentially are not of the acrylate or methacrylate type, which is soluble in the carrier medium, as well as methods for making the same.Type: GrantFiled: March 29, 1985Date of Patent: November 11, 1986Assignee: GmbH RohmInventors: Horst Pennewiss, Roland Schweder, Helmut Knoell
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Patent number: 4563497Abstract: (1) A method for making a water soluble synthetic solid polymer product, which method comprises polymerizing a solution of a water soluble monomer, or of a mixture of monomers which are exclusively or predominantly water soluble monomers, in an aqueous medium in the presence of 0.5 to 50 percent, by weight of said monomer or monomers, of at least one member selected from the group consisting of water soluble solid monosaccharides and oligosaccharides, and (2) the directly millable polymer product having a low degree of crosslinking which is prepared thereby and which is useful as a flocculant, dispersing agent, thickening agent, water treating agent, coating agent or the like.Type: GrantFiled: January 25, 1983Date of Patent: January 7, 1986Assignee: Rohm GmbHInventors: Juergen Masanek, Horst Pennewiss, Hermann Plainer
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Patent number: 4511694Abstract: What are disclosed are a method for making a pearl-like crosslinked hydrophilic carrier polymer, capable of binding proteins, by the inverse pearl polymerization of a monomer phase comprising a monomer mixture of a certain composition and a diluent therefor, also of a certain composition, said diluent comprising at least two components which can be chosen in nature and amount to optimize the protein binding capacity of the polymer, and pearl-like hydrophilic carrier polymers made by this method.Type: GrantFiled: February 1, 1982Date of Patent: April 16, 1985Assignee: Rohm GmbHInventors: Dieter Kramer, Horst Pennewiss, Hermann Plainer, Reiner Schnee, Waldemar Schleier
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Patent number: 4338418Abstract: What is disclosed are the method of making a lubricating-oil additive which improves the viscosity index and has a dispersing and detergent action, which method comprises graft copolymerizing, onto an oil-soluble base polymer, from 0.5 to 10 parts of a polymerizable lactam together with 0.1 to 3 parts of a polymerizable N-heterocyclic compound, said parts being by weight of said base polymer, and the lubricating-oil additives so produced.Type: GrantFiled: December 15, 1980Date of Patent: July 6, 1982Assignee: Rohm GmbHInventors: Heinz Jost, Hellmuth Knoell, Gerhard Markert, Horst Pennewiss
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Patent number: 4308120Abstract: What is disclosed is a method for the free-radical polymerization, at a temperature between 0.degree. C. and 100.degree. C. using ultraviolet light, of a material to be polymerized which comprises at least one unsaturated monomer, which method comprises adding an ultraviolet absorber which is only weakly effective or is inert as a free-radical initiator to the material to be polymerized, initiating polymerization of the material in an initiation phase by irradiation thereof with ultraviolet light, controlling the further course of the polymerization in a polymerization phase by increasing the intensity of the irradiating ultraviolet light with time, and concluding the polymerization by irradiation with ultraviolet light in a terminal phase, said ultraviolet absorber absorbing in the wavelength region of the irradiating ultraviolet light.Type: GrantFiled: September 19, 1979Date of Patent: December 29, 1981Assignee: Rohm GmbHInventors: Horst Pennewiss, Hermann Plainer, Juergen Jakob, Juergen Masanek
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Patent number: 4290925Abstract: What is disclosed is a concentrated polymer emulsion useful as a lubricating oil additive for improving the viscosity index thereof, said emulsion comprising:(1) a dispersed phase of an olefinic copolymer having a molecular weight complementary with respect to the thickening effect desired;(2) a dispersing phase of a polymer predominantly comprising at least one member selected from the group consisting of acrylate ester and methacrylate ester monomers;(3) a vehicle which is a good solvent for the esters in said dispersing phase and a substantially less good solvent for the olefinic copolymer by virtue of the esters dissolved in said vehicle; and(4) an emulsifier, stabilizing phase distribution, which is a member selected from the group consisting of graft copolymers and block copolymers formed from olefinic monomers and at least one member selected from the group consisting of acrylate ester and methacrylate ester monomers.Type: GrantFiled: January 29, 1980Date of Patent: September 22, 1981Assignee: Rohm GmbHInventors: Horst Pennewiss, Rainer Benda, Heinz Jost, Helmuth Knoell
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Patent number: 4282132Abstract: What is disclosed is a method for making a lubricating oil additive which comprises a first step of graft copolymerizing an alkyl ester of acrylic acid or of methacrylic acid, alone or in combination with styrene, onto a backbone copolymer which is hydrogenated block copolymer of styrene and a conjugated diene having 4 to 6 carbon atoms to form a first graft copolymer, and a second step of graft copolymerizing a polymerizable heterocyclic monomer, alone or in combination with a hydrophobizing vinyl ester, onto said first graft copolymer to form a second graft copolymer, and the lubricating oil additive so made.Type: GrantFiled: August 6, 1979Date of Patent: August 4, 1981Assignee: Rohm GmbHInventors: Rainer Benda, Helmuth Knoell, Peter Neudoerfl, Horst Pennewiss
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Patent number: 4281081Abstract: What is disclosed are the method of making a lubricating-oil additive which improves the viscosity index and has a dispersing and detergent action, which method comprises graft copolymerizing, onto an oil-soluble base polymer, from 0.5 to 10 parts of a polymerizable lactam together with 0.1 to 3 parts of a polymerizable N-heterocyclic compound, said parts being by weight of said base polymer, and the lubricating-oil additives so produced.Type: GrantFiled: February 1, 1979Date of Patent: July 28, 1981Assignee: Rohm GmbHInventors: Heinz Jost, Hellmuth Knoell, Gerhard Markert, Horst Pennewiss
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Patent number: 4233200Abstract: What is disclosed is a method for sizing a textile yarn which comprises treating said yarn with a sizing solution comprising from 2.5 to 50 percent by weight of a polymer dissolved in an organic solvent, and then evaporating said solvent, said polymer being soluble in halohydrocarbons and being a saturated block copolymer comprised of at least two different unsaturated polymerizable hydrocarbons having two separated softening regions, one of which regions is below +20.degree. C. and one of which regions is above +20.degree. C., and wherein the blocks having the higher softening region form the disperse phase, i.e. above +20.degree. C., as well as sizing solutions for use in said method, and the sized yarns so produced.Type: GrantFiled: February 23, 1979Date of Patent: November 11, 1980Assignee: Rohm GmbHInventors: Herbert Fink, Egon Grumbach, Horst Pennewiss
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Patent number: 4105519Abstract: A method for polymerizing or copolymerizing water-soluble monomers, in a layer thickness between 2 and 100 mm, and at a temperature between 0.degree. C. and 100.degree. C., by irradiation with ultraviolet light in the presence of atmospheric oxygen, wherein the material to be polymerized contains at least 1 ppm of a water-soluble anthraquinone unsubstituted in the 1,4,5, and 8-positions and at least 10 ppm of dissolved chloride ions.Type: GrantFiled: October 5, 1976Date of Patent: August 8, 1978Assignee: Rohm GmbHInventors: Horst Pennewiss, Hermann Plainer, Peter Quis, Hans Trabitzsch, Juergen Masanek, Juergen Jakob
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Patent number: 4070348Abstract: Water-swellable, cross-linked, bead copolymers of (A) an ethylenically unsaturated monomer having a carboxylic acid anhydride, glycidyl or succinimide group, (B) a comonomer having at least two radical-polymerizable carbon double bonds, and (C) a radical-polymerizable water-soluble comonomer are disclosed to be excellent carriers capable of bonding with biologically active substances such as enzymes, enzyme substrates, inhibitors, hormones, antibiotics, antigens, and peptides.Type: GrantFiled: January 28, 1975Date of Patent: January 24, 1978Assignee: Rohm GmbHInventors: Dieter Kraemer, Klaus Lehmann, Horst Pennewiss, Hermann Plainer, Roland Schweder
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Patent number: 4059574Abstract: Symmetric azo-bis-mercapto compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 are methyl or ethyl, R.sub.3 and R.sub.4 are the same or different alkylene having 1 to 4 carbon atoms, and n is 0 or 1, and a method for forming block copolymers of vinyl monomers in a two-step process employing such compounds as polymerization initiators.Type: GrantFiled: April 20, 1976Date of Patent: November 22, 1977Assignee: Rohm GmbHInventors: Otto Hitzler, Horst Pennewiss, August Froelich, Gerhard Markert, Winfried Wunderlich
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Patent number: 3979349Abstract: Polymer dispersions in which an aqueous phase comprising a water-soluble polymer is dispersed in an organic liquid in the presence of a polymeric water-in-oil type dispersing agent containing salt-forming basic nitrogen atoms. When the dispersion is mixed with water in the presence of an acid, which acid may be present in the aqueous or organic phase of the dispersion or added separately, the dispersing agent transforms into an oil-in-water type, the previously dispersed polymer dissolves in the water, and the previously continuous organic phase is dispersed in the water.Methods of making such polymer dispersions.Methods of forming aqueous solutions of water-soluble polymers by combining such dispersions with water in the presence of an acid.Type: GrantFiled: May 1, 1974Date of Patent: September 7, 1976Assignee: Rohm GmbHInventors: Herbert Fink, Horst Pennewiss, Hermann Plainer, Hans Trabitzsch, Josef Frieser, Juergen Masanek
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Patent number: 3948866Abstract: A process for the suspension polymerization of ethylenically unsaturated monomers -- particularly for the preparation of water-soluble polymers -- wherein a liquid monomer phase is polymerized while suspended in a liquid organic suspending medium in the presence of a macromolecular stabilizing or suspending agent having a macromolecular portion or portions solvated by the liquid monomer phase and another macromolecular portion or portions solvated by the liquid organic suspending medium.Water-soluble suspension polymers, preparable by this process, comprising quaternization products or salts of dialkylaminoalkyl esters or of dialkylaminoalkyl amides of acrylic acid or of methacrylic acid.Type: GrantFiled: February 18, 1971Date of Patent: April 6, 1976Assignee: Rohm GmbHInventors: Horst Pennewiss, Helmut Knoell, Juergen Masanek