Patents by Inventor Heinrich Schrage

Heinrich Schrage 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).

  • Thiazolylpyrazolinones and their use for protecting technical materials
    Patent number: 5703103
    Abstract: The present invention relates to novel thiazolylpyrazolinones, a process for their preparation and their use for the protection of technical materials.
    Type: Grant
    Filed: September 24, 1996
    Date of Patent: December 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Heuer, Peter Wachtler, Martin Kugler, Heinrich Schrage, Klaus Sasse
  • Medicaments containing 1-thiocarbamoyl-5-hydroxy-pyrazoles and their use as agents for combating septic shock
    Patent number: 5672617
    Abstract: This application relates to new thiocarbamoyl compounds of the formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the meanings given in the description.
    Type: Grant
    Filed: February 9, 1996
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Wachtler, Lutz Heuer, Martin Kugler, Heinrich Schrage
  • Mould-resistant emulsion paints
    Patent number: 5622546
    Abstract: The application relates to emulsion paints which are protected against fungal infestation by the use of N-alkyl-benzothiophene-2-carboxamide S,S-dioxides.
    Type: Grant
    Filed: February 14, 1996
    Date of Patent: April 22, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Wilfried Paulus, Heinrich Schrage, Martin Kugler, Franz Kunisch
  • Process for the nuclear chlorination of aromatic hydrocarbons
    Patent number: 5315049
    Abstract: Alkylaromatics are subjected to nuclear chlorination in the liquid phase in the presence of Friedel-Crafts catalyst mixtures comprising compounds of iron and antimony and cocatalysts of the formula (II) ##STR1## wherein the substituents have the meaning given in the description.
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: May 24, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinrich Schrage, Helmut Fiege
  • Phenolic resins from bisphenol a residual resins and mixtures of chloro-substituted hydrocarbons, and the use of specific phenolic resins as homogenizers for rubber vulcanizates
    Patent number: 5314986
    Abstract: Rubber components of a vulcanizable rubber composition are homogenized by adding to the composition, prior to vulcanization, a phenolic resin formed by reacting a bisphenol A residual resin with chlorinated C.sub.4 to C.sub.8 hydrocarbons in the presence of a Friedel-Crafts alkylation catalyst.
    Type: Grant
    Filed: December 14, 1992
    Date of Patent: May 24, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Pieter Ooms, Heinrich Schrage, Hans-Josef Buysch, Rene Loix, Hans-Joachim Graf
  • Process for decreasing the halogen content of polyhalogenated aromatics
    Patent number: 5292975
    Abstract: When the halogen content of polyhalogenated aromatics is decreased by reaction with monohalogenated and/or non-halogenated aromatics in the gas phase, good yields and significantly improved catalyst service lives are achieved if the reaction is carried out in the presence of a catalyst and in the presence of a hydrogen halide.
    Type: Grant
    Filed: February 23, 1993
    Date of Patent: March 8, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinrich Schrage, Helmut Fiege
  • Thermoreactive recording material having particular stability
    Patent number: 5292712
    Abstract: New thermoreactive recording materials contain at least one salt of a specially modified bisphenolcarboxylic acid and are distinguished by good stabilisation of the ink, even upon extended storage time, good light stabilities and excellent stabilities to water, plasticisers, fats and substances contained in text-marking pens.
    Type: Grant
    Filed: July 20, 1992
    Date of Patent: March 8, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Klug, Heinrich Schrage, Pieter Ooms, Hans-Josef Buysch
  • Process for the preparation of copolymers containing nitrile groups based on ethylenically unsaturated monomers
    Patent number: 5221718
    Abstract: Copolymers containing nitrile groups based on ethylenically unsaturated monomers are prepared by reacting the copolymers on which they are based with ammonia at temperatures of from 150.degree. to 270.degree. C. and pressures from 30 to 350 bar in the presence of an aliphatic nitrile and/or dinitrile.
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: June 22, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinrich Schrage, Hans-Josef Buysch, Hugo Vernaleken
  • Process for the preparation of phenol resins using by-products of the chlorination of butadiene as reactants
    Patent number: 5219976
    Abstract: By-products from the chlorination of butadiene may be reacted with phenols in the presence of iron catalysts to form Novolak type phenol resins.
    Type: Grant
    Filed: February 15, 1991
    Date of Patent: June 15, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Abele, Hans-Josef Buysch, Heinrich Schrage, Hugo Vernaleken
  • Use of certain phenolic resins for reinforcing rubber vulcanizates
    Patent number: 5214100
    Abstract: Phenolic resins obtainable by Friedel-Crafts alkylation of phenols with polyfunctional compounds are eminently suitable as a reinforcing resin for rubber vulcanizates.
    Type: Grant
    Filed: February 15, 1991
    Date of Patent: May 25, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Abele, Hans-Josef Buysch, Heinrich Schrage, Hugo Vernaleken
  • Flexible polyamide from dimer acid and bis-secondary diamine
    Patent number: 5126429
    Abstract: This invention relates to amorphous, flexible elastomeric polyamides based on dimer fatty acids and special disecondary diamines which have a glass transition temperature below 10.degree. C., to the production of these elastomeric polyamides and to their use as rubbers, plasticizers and, in particular, high-impact modifiers for thermoplastics or as flexible segments for the synthesis of thermoplastic elastomers and as additives for other purposes.
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: June 30, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Burkhard Kohler, Hans-Detlef Heinz, Heinrich Schrage
  • Process for the isolation of tetrachlorobutane and for the production of phenolic resins from mixtures of chlorine-substituted hydrocarbons
    Patent number: 5071943
    Abstract: Secondary products formed in the chlorination of butadiene can be reacted with phenols in the absence of iron catalysts to form novolak-like phenolic resins in such a way that the tetrachlorobutane present in the secondary products does not react. It can be distilled off with the excess phenol and isolated in pure form from the distillate obtained.
    Type: Grant
    Filed: February 15, 1991
    Date of Patent: December 10, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Abele, Hans-Josef Buysch, Michael Happ, Werner Obrecht, Heinrich Schrage, Hugo Vernaleken