Patents by Inventor Heinz-Joachim Rother

Heinz-Joachim Rother 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: 7201854
    Abstract: The present application relates to the use of active compound combinations containing phenolic active compounds and fungicidal active compounds for preserving animal hides and leather.
    Type: Grant
    Filed: September 13, 2001
    Date of Patent: April 10, 2007
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz-Joachim Rother, Hartmut Rehbein, Martin Kugler
  • Publication number: 20070037709
    Abstract: The novel enantiomerically enriched R-(+)-2-(4-chloro-2-methylphenoxy)-propionic acid polyethylene glycol esters and any of their mixtures with one another are outstandingly suitable as root penetration inhibitors and can be employed as such for the protection of buildings and building materials.
    Type: Application
    Filed: April 27, 2004
    Publication date: February 15, 2007
    Inventors: Hermann Uhr, Rainer Bruns, Heinz-Joachim Rother, Gerd-Friedrich Renner
  • Patent number: 6479521
    Abstract: The present application relates to the use of 2-mercapto-pyridine N-oxide and/or its alkali metal and alkaline earth metal salts and its metal complexes for the preservation of animal skins and leather.
    Type: Grant
    Filed: December 6, 1999
    Date of Patent: November 12, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Otto Exner, Heinz-Joachim Rother, Martin Kugler, Hartmut Rehbein
  • Publication number: 20020147227
    Abstract: The present application relates to the use of 2-mercapto-pyridine N-oxide and/or its alkali metal and alkaline earth metal salts and its metal complexes for the preservation of animal skins and leather.
    Type: Application
    Filed: December 6, 1999
    Publication date: October 10, 2002
    Inventors: OTTO EXNER, HEINZ-JOACHIM ROTHER, MARTIN KUGLER, HARTMUT REHBEIN
  • Publication number: 20020066879
    Abstract: The present application relates to the use of active compound combinations containing phenolic active compounds and fungicidal active compounds for preserving animal hides and leather.
    Type: Application
    Filed: September 13, 2001
    Publication date: June 6, 2002
    Inventors: Heinz-Joachim Rother, Hartmut Rehbein, Martin Kugler
  • Patent number: 6375861
    Abstract: The present application relates to the use of combinations of active compounds composed of phenolic active compounds and azole compounds for the preservation of animal hides and leather.
    Type: Grant
    Filed: May 11, 2000
    Date of Patent: April 23, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz-Joachim Rother, Martin Kugler, Hartmut Rehbein
  • Patent number: 6083414
    Abstract: The present application relates to the use of combinations of active compounds composed of phenolic active compounds and azole compounds for the preservation of animal hides and leather.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: July 4, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz-Joachim Rother, Martin Kugler, Hartmut Rehbein
  • Patent number: 5888415
    Abstract: The present application relates to the use of combinations of active compounds composed of phenolic active compounds and azole compounds for the preservation of animal hides and leather.
    Type: Grant
    Filed: November 13, 1997
    Date of Patent: March 30, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz-Joachim Rother, Martin Kugler, Hartmut Rehbein
  • Patent number: 5785896
    Abstract: A method of combating corrosion of a metal which comprises contacting such metal with a composition containing polyamino acids, their salts and their anhydrides, together with at least one corrosion inhibitor selected from the group consisting of benzotriazole, 4-C.sub.1 -C.sub.4 -alkylbenzotriazoles and 5-C.sub.1 -C.sub.4 -alkylbenzotriazoles.
    Type: Grant
    Filed: October 31, 1995
    Date of Patent: July 28, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz-Joachim Rother, Franz Kunisch
  • Patent number: 5779776
    Abstract: The present invention relates to the use of 2-methyl-4-chlorophenoxypropionamides for protecting buildings, building materials and insulation compounds against the penetration of roots into and through them, and to rooting-inhibiting bitumen mixtures, sealants and insulations.
    Type: Grant
    Filed: July 1, 1997
    Date of Patent: July 14, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Heuer, Heinz-Joachim Rother
  • Patent number: 5675032
    Abstract: The present invention relates to an-economically and ecologically advantageous process, which is easy to carry out, for the preparation of specific polyethylene glycol diesters of 2-(4-chloro-2-methylphenoxy)-propionic acid, and to the substance mixture obtainable by this process and the use thereof as a root penetration inhibitor in building materials and insulating compositions, such as, for example, bitumen.
    Type: Grant
    Filed: April 4, 1995
    Date of Patent: October 7, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Heuer, Heinz-Joachim Rother, Volker Glock
  • Patent number: 5672568
    Abstract: There is described the use of compounds of the formula (II) ##STR1## in which R has the meaning given in the description, as root penetration inhibitors.
    Type: Grant
    Filed: February 28, 1996
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Heuer, Heinz-Joachim Rother
  • Patent number: 5543490
    Abstract: Polyaspartic acid is prepared by reacting maleic anhydride and ammonia to give maleamic acid, polymerizing the maleamic acid and subsequently hydrolyzing the product to give polyaspartic acid or a salt thereof.
    Type: Grant
    Filed: December 17, 1993
    Date of Patent: August 6, 1996
    Assignee: Bayer AG
    Inventors: Torsten Groth, Winfried Joentgen, Hans W. Linden, Nikolaus Muller, Heinz-Joachim Rother, Paul Wagner, Martin Kugler
  • Patent number: 5059391
    Abstract: It has been found out that polyaralkylamines of the formula stated in the claims are useful as corrosion inhibitors for metallic materials; furthermore were found out new polyaralkylamines of the formula stated in the claims and a process for their preparation.
    Type: Grant
    Filed: September 1, 1988
    Date of Patent: October 22, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Artur Botta, Christian Wegner, Heinz-Joachim Rother
  • Patent number: 4902830
    Abstract: New polyaralkylated hydroxybenzamides were found and a process for their preparation; the polyaralkylated hydroxybenzamides are used as corrosion inhibitors.
    Type: Grant
    Filed: June 1, 1988
    Date of Patent: February 20, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Scholl, Christian Wegner, Christian Frolich, Artur Botta, Heinz-Joachim Rother
  • Patent number: 4278791
    Abstract: A benzimidazolyl-2-alkane-phosphonic acid of the formula ##STR1## wherein R.sup.1 and R.sup.2 are identical or different and denote hydrogen, lower alkyl, phenyl, halogen, trifluoromethyl, nitro or lower alkoxy, or together form a fused-on benzene ring,R.sup.3 denotes hydrogen, lower alkyl or phenyl or benzyl which is optionally substituted by lower alkyl or halogen andA denotes a straight-chain or branched, saturated or unsaturated bivalent hydrocarbon radical with 1 to 15 carbon atoms, which can be substituted by phenyl which is optionally substituted by lower alkyl or halogen or by carboxyl or the phosphonic acid group,and its salt with an inorganic or organic base or acid, and a method of preparing the same by contacting an o-arylene diamine of the formula ##STR2## wherein R.sup.1, R.sup.2 and R.sup.3 have the meaning given above, with a phosphonocarboxylic acid of the formula ##STR3## wherein Y denotes carboxyl, carbalkoxy, carbophenoxy, cyano, carbamido or carbochloride,R.sup.7 and R.sup.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: July 14, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Artur Botta, Heinz-Joachim Rother, Gunther Teichmann
  • Patent number: 4198428
    Abstract: An aryl-thiocarboxylic acid thiocyanomethyl ester of the formula ##STR1## wherein R.sup.1 represents an optionally substituted aryl radical; a process for preparing the same, a pesticidal composition comprising such aryl-thiocarboxylic acid thiocyanomethyl ester and the use of such aryl-thiocarboxylic acid thiocyanomethyl ester as a pesticide especially for combatting microbes and molluscs. The novel esters are particularly effective agents for protecting industrial materials and living plants.
    Type: Grant
    Filed: October 19, 1978
    Date of Patent: April 15, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Siegfried Oeckl, Hermann Genth, Wilfried Paulus, Heinz-Joachim Rother, Wilhelm Stendel, Wilhelm Brandes, Peter Kraus