Patents Represented by Attorney Gene Harsh
  • Patent number: 4806088
    Abstract: The present invention is directed to an apparatus for the production of foam cushions having a textile cover in which the cover is inserted into a mold cavity and adapted to the contour of the mold cavity by the application of a vacuum wherein movable gates assist in improving the adaptation of the cover to the contour of the mold cavity.
    Type: Grant
    Filed: June 24, 1987
    Date of Patent: February 21, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ralf Busch, Volker Onnenberg
  • Patent number: 4804692
    Abstract: The invention relates to thermoplastic polycarbonate molding compositions which are rendered resistant to gamma-radiation by incorporating therewith about 0.05 to about 10 percent by weight of a stabilizing agent selected from the group consisting of ##STR1## wherein R is a hydrogen or a halogen atom or a C.sub.1 -C.sub.10 alkyl, a C.sub.6 -C.sub.10 aryl, C.sub.1 -C.sub.22 acyl, C.sub.6 -C.sub.18 alkylaryl or a C.sub.4 -C.sub.10 cycloalkyl radical, m is 1 or 3 to 6, n is an integer of about 20 to 70 and Y is a radical conforming to ##STR2## wherein R, R' and R" independently one of the others are selected from C.sub.1 -C.sub.10 alkyl and C.sub.6 -C.sub.12 aryl radicals preferably C.sub.1 -C.sub.4 alkyl radical.
    Type: Grant
    Filed: April 28, 1988
    Date of Patent: February 14, 1989
    Assignee: Mobay Corporation
    Inventors: Charles E. Lundy, Winfried G. Paul, Sivaram Krishnan
  • Patent number: 4804689
    Abstract: The present invention relates to a process for molding a foamed article comprising mixing a polyphenylene sulfide resin with about 0.1 to 10% of an oligomeric sulfone carbonate as a foaming agent and with 0.1 to 2% of a basic catalyst at a temperature of about 150.degree. to 180.degree. C. and then heating the resulting mixture at a temperature of 280.degree.-350.degree. C. to affect a reaction mixture and introducing the reaction mixture into a suitable mold for producing a foamed article.
    Type: Grant
    Filed: June 29, 1987
    Date of Patent: February 14, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Paul J. Mayska, Erhard Tresper
  • Patent number: 4804425
    Abstract: This invention relates to a process and a laminator for the continuous production of laminates of foam with facings. An upper facing and a lower facing and a web of meshwork are introduced into the foaming space of a laminator and a fluid reaction mixture is spread over the lower facing before it runs into the foaming space. The reaction mixture penetrates the web of meshwork as it foams up on its journey through the foaming space and becomes bonded to the facings.
    Type: Grant
    Filed: June 1, 1987
    Date of Patent: February 14, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erwin Hoffmann, Hans-Dieter Pfeil, Werner Dietrich, Rolf Bock
  • Patent number: 4803246
    Abstract: The present invention is directed to a process for the preparation of polymers containing hydroxyl groups by reacting polymers based on acrylic acid and/or methacrylic acid and containing carboxyl groups with alkylene oxides in the presence of catalysts, characterized in that the catalysts used are(a) addition products containing two thioether groups of (i) mercaptoalkanols corresponding to the formula ##STR1## and (ii) doubly unsaturated terpene hydrocarbons and/or condensation products with a maximum molecular weight of 5000 obtained by the condensation of such addition products on their own or with other polyhydric alcohols having a molecular weight of 62 to about 200, and/or(b) relatively high molecular weight thioethers having a molecular weight of about 500 to 5000 obtainable by the condensation of thiodiglycols corresponding to the formula ##STR2## optionally in admixture with up to 50 hydroxyl equivalents percent, based on the total mixture, of other polyhydroxyl compounds having a molecular weight of
    Type: Grant
    Filed: April 9, 1986
    Date of Patent: February 7, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Dietrich, Josef Pedain, Klaus Konig, Peter Hohlein
  • Patent number: 4801621
    Abstract: This invention relates to polyurethane(urea) compositions which contain foam and which are preferably cationically modified, contain non-abrasively bonded fillers and have a very high water absorbability (WAF).Production is effected by reacting isocyanate-terminated prepolymers with a quantity of water far exceeding the stoichiometric quantity in the presence of foams in particle or film form. The reaction mixture may also contain lignite powder and/or peat, other inorganic and organic fillers and/or biomasses (living cells, living bacteria, enzymes).The polyurethane(urea) compositions contain up to 95% by weight of foam particles and may contain further fillers (preferably lignite and/or peat). The compositions are swollen and have a high water content during production. Their water absorbability (WAF) when suspended in water is 33 to 97% by weight of water.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: January 31, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventor: Artur Reischl
  • Patent number: 4801675
    Abstract: The invention is directed to a process for the preparation of prepolymers containing free isocyanate groups and having an isocyanate content of 1 to 16% by weight by the reaction of(a) a polyisocyanate component with(b) a polyhydroxyl component based on (i) at least one polyester polyol having a hydroxyl functionality (average) of about 1.8 to 5 and a hydroxyl number (average) of from 15 to 300 or (ii) mixtures of polyester polyols of the type mentioned under (i) with up to about 10% by weight, based on the weight of the mixture, of (cyclo)alkane polyols having a hydroxyl number above about 300 and optionally containing ester groupsat an NCO/OH equivalent ratio above 2:1, characterized in that the compounds used as component (a) contain triisocyanato-isocyanurates having aliphatically or cycloaliphatically bound isocyanate groups. The present invention also relates to the prepolymers with free isocyanate groups obtainable by this process and their use as binders for moisture hardening one-component lacquers.
    Type: Grant
    Filed: June 10, 1987
    Date of Patent: January 31, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Josef Pedain, Michael Sonntag, Klaus Konig
  • Patent number: 4801623
    Abstract: The present invention is directed to a process for the production of a thixotropic agent by reacting a polyisocyanate containing a uretdione group with a polybasic carboxylic acid containing at least one carboxyl group and, optionally, OH groups. The present invention is also directed to thixotropic high molecular weight polyols containing the above thixotropic agent. Finally, the present invention is directed to storable, reactive polyurethane systems comprising thixotropic polyols and polyisocyanates which are essentially unreactive with the polyols at room temperature.
    Type: Grant
    Filed: January 14, 1988
    Date of Patent: January 31, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinrich Hess, Gerhard Grogler, Richard Kopp
  • Patent number: 4801631
    Abstract: This invention relates to formaldehyde-free, aqueous glue dispersions which contain polyisocyanates. These systems are particularly suitable for gluing veneers and surface materials on wood and wood products. The systems are prepared from polyisocyanates in combination with extenders based on flours and cold water-soluble of hydrolyzed natural starch. In this process, polyisocyanates or aqueous dispersions thereof are added while stirring to aqueous solutions or mixtures of starch and flour.The extender-containing adhesive systems are aqueous glue dispersions having increased service life which in their preferred embodiment contain about 15 to 30% by weight of polyisocyanates, preferably polyphenyl-polymethylene polyisocyanate (PMDI), 10 to 15% by weight of starch which is soluble in cold water and 14 to 25% by weight of (cereal) flour and optionally, other additives and the appropriate quantity of water adding up to 100% by weight.
    Type: Grant
    Filed: February 6, 1987
    Date of Patent: January 31, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hanns I. Sachs, Donald R. Larimer
  • Patent number: 4798873
    Abstract: The present invention relates to poly-(C.sub.2 -C.sub.10 -.alpha.-olefine)-carboxylic acids of Mw (weight average) 2000 to 350,000, to their preparation by oxidative degradation of polyolefines or by reaction of "Living" polyolefines with CO.sub.2, to their conversion into poly-(C.sub.2 -C.sub.10 -.alpha.-olefine)-carbonyl halides and to their use for preparing polyolefine/polycarbonate block copolymers and the block copolymers obtainable by the process according to the invention.
    Type: Grant
    Filed: May 14, 1987
    Date of Patent: January 17, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Kurt P. Meurer, Helmut Waniczek, Gerd Sylvester, Josef Witte
  • Patent number: 4797428
    Abstract: Rigid flame resistant polyurethane foams are made by reacting an aromatic polyisocyanate with a mixture of 25-75% oligoester and another isocyanate-reactive material in the presence of a blowing agent at an NCO index of less than 300. These foams which have an ASTM E-84 Class 1 rating are particularly useful in construction applications.
    Type: Grant
    Filed: June 22, 1987
    Date of Patent: January 10, 1989
    Assignee: Mobay Corporation
    Inventor: Wolfgang W. Reichmann
  • Patent number: 4797467
    Abstract: The present invention relates to bis-quinoxalines of the formula I ##STR1## their preparation, their use as branching agents for the preparation of branched, thermoplastic polycarbonates and the branched thermoplastic polycarbonates.
    Type: Grant
    Filed: August 13, 1987
    Date of Patent: January 10, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Volker Eckhardt, Hans-Rudolf Dicke, Dieter Freitag
  • Patent number: 4797320
    Abstract: A composite plastic molding made up of a plastic foam and having a polyurethane skin is made by heating a reactive one-component system to form a polyurethane skin and then joining the polyurethane skin to the plastic foam. The one-component system is composed of a finely divided polyisocyanate in which from 0.1 to 25 equivalent percent of the isocyanate groups have been deactivated, a polyamine and/or polyol having a molecular weight of from 400 to 8000 and optionally a chain extending agent, a catalyst and known auxiliaries and additives.
    Type: Grant
    Filed: January 4, 1988
    Date of Patent: January 10, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Richard Kopp, Gerhard Grogler, Heinrich Hess, Hermann Schafer, Werner Rasshofer
  • Patent number: 4797430
    Abstract: Amine-modified polyurethane (urea) foams are made by reacting a polyisocyanate with a relatively high molecular weight isocyanate-reactive compound in the presence of a difunctional and/or polyfunctional amine corresponding to the formula(e) ##STR1## in which X, R', R", m and n each represent specified groups or values. The amine is used in a quantity of from 0.01 to 5 parts by weight for every 100 parts by weight relatively high molecular weight isocyanate-reactive compound. Known additives and auxiliaries may also be included in the reaction mixture. The foams thus produced are characterized by improved mechanical properties and reduced amine odor. These foams are usefuel as cushioning materials, insulating materials, coatings and elastomeric materials.
    Type: Grant
    Filed: June 3, 1987
    Date of Patent: January 10, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Haas, Hans-Joachim Kogelnik
  • Patent number: 4797427
    Abstract: The present invention is directed to new aromatic diamines containing sulfonic acid aryl esters corresponding to the formula ##STR1## wherein R.sub.1 represents hydrogen, an optionally branched C.sub.1 -C.sub.6 alkyl radical (preferably a methyl group), a C.sub.1 -C.sub.6 alkoxy radical or a halogen atom (preferably chlorine) andR.sub.2 and R.sub.3 which may be the same or different, represent hydrogen, an optionally branched C.sub.1 -C.sub.20 (preferably C.sub.1 -C.sub.6) alkyl radical, a C.sub.1 -C.sub.6 alkoxy radical or a halogen atom (preferably chlorine).The present invention is also directed to a process for the production of the above aromatic diamines containing sulfonic acid esters by the reaction of optionally substituted sulfochlorides with optionally substituted phenols followed by hydrogenation.
    Type: Grant
    Filed: April 19, 1988
    Date of Patent: January 10, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Josef Sanders, Helmut Reiff, Gerhard Balle, Dieter Dieterich
  • Patent number: 4797464
    Abstract: A polyester polyol having the idealized structure: ##STR1## where R represents the residue of a polyepoxide after ring opening with a carboxylic acid group, R' represents the residue of a cyclic anhydride, n is a number of from 4 to 25, m represents the number of epoxy groups of the polyepoxide ring opened with carboxylic acid groups, and R" represents --H or --CH.sub.3.
    Type: Grant
    Filed: August 7, 1987
    Date of Patent: January 10, 1989
    Assignee: Mobay Corporation
    Inventor: Neil H. Nodelman
  • Patent number: 4795253
    Abstract: A particular area or areas are monitored for the presence of gaseous materials, particularly pollutants by collecting background radiation (both visible and infrared radiation) present in the selected area, analyzing the radiation collected with a spectrometer and making the results of this analysis available is a form understandable to the person or device moitoring the area for the presence of specified gaseous materials. The results of the spectrometric analysis may, for example, be displayed on a video unit or they may be printed. In a preferred embodiment, the results of the spectrometric analysis are displayed on a video unit simultaneously or sequentially with the image of the area from which the background radiation had been collected.
    Type: Grant
    Filed: April 24, 1987
    Date of Patent: January 3, 1989
    Assignee: Mobay Corporation
    Inventors: Robert L. Sandridge, Robert N. Hunt
  • Patent number: 4794141
    Abstract: The present invention relates to thermoplastic moulding compositions containing polydiorganosiloxane/polycarbonate block copolymers, elastomeric polymers and, if appropriate, polyalkylene terephthalates.
    Type: Grant
    Filed: December 10, 1986
    Date of Patent: December 27, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Winfried Paul, Ulrich Grigo, Peter R. Muller, Werner Nouvertne
  • Patent number: 4792626
    Abstract: Aromatic diamino compounds are produced by hydrogenating the corresponding dinitro compounds in the presence of a modified Raney catalyst. The modified Raney catalyst is obtained by treating an alloy made up of 50-95 wt % of aluminum, 4-45 wt % nickel and/or cobalt and 1-46 wt % of at least one modifying metal with an alkali material. The modifying metal is selected from the metals of the first, fourth, fifth, sixth, seventh and eighth subgroups of the Periodic Table of Elements. The hydrogenation is preferably carried out at from 170.degree. to 250.degree. C. and a pressure of 15-50 bar. The heat generated during hydrogenation is preferably used to produce steam.
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: December 20, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter Becher, Udo Birkenstock, Eckart Waldau, Harro Witt
  • Patent number: 4792262
    Abstract: The present invention is directed to a process for strengthening geological formations in underground mining or other operations introducing into the formation which is to be strengthened mixtures of a polyisocyanate component (a) and a polyol component (b) which react together to form polyurethanes, characterized in that the polyol component (b) is based on mixtures of (i) organic polyhydroxyl compounds having hydroxyl numbers of about 100 to 600 and (ii) dihydric alcohols having a molecular weight of 62 to about 150, component (ii) being present in an amount of about 0.01 to 20% by weight, based on the total quantity of component (b).
    Type: Grant
    Filed: August 20, 1986
    Date of Patent: December 20, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Kapps, Max Mann, Peter Vehlewald, Frank Meyer, Hans-Ernst Mehesch, Wolfgang Cornely, Birgit Riecks