Patents by Inventor Helmut Kaspers

Helmut Kaspers 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: 5405860
    Abstract: Triazolyl-alkanones or triazolyl-alkanols of the formula ##STR1## in which R.sup.1 is alkyl, cycloalkyl, aryl or substituted aryl, andR.sup.2 is hydrogen, alkyl, cycloalkyl, aryl or substituted aryl, orR.sup.1 and R.sup.2 are joined to form an aliphatic ring, andA is a keto group or a CH(OH) group,or a salt thereof which possess fungicidal, microbicidal and plant-growth regulating properties.
    Type: Grant
    Filed: May 26, 1989
    Date of Patent: April 11, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Timmler, Wolfgang Kramer, Karl Buchel, Helmut Kaspers, Wilhelm Brandes
  • Patent number: 5086048
    Abstract: A synergistic fungicidal composition comprising ##STR1## in which R.sup.1 represents optionally substituted phenyl,R.sup.2 represents hydrogen, alkyl having up to 4 carbon atoms or phenyl,R.sup.3 represents alkyl having up to 6 carbon atoms, cycloalkyl having 5 to 6 carbon atoms, phenyl or 4-chlorophenyl, andY represents the CO group, the group ##STR2## or C(OH).sub.2 or CH(OH). and at least one of several specifically identified additional fungicides.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: February 4, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Helmut Kaspers, Paul Reinecke, Hans Scheinpflug, Wolfgang Kramer
  • Patent number: 5059617
    Abstract: A synergistic fungicidal composition comprising a fungicidally effective amount of (I) a 1,2,4-triazolylalkonol of the formula ##STR1## in which X is chlorine or phenyl plus (II) at least one member selected from the group consisting of(A) a salt of a heavy metal,(B) a guanidine or derivative, and(C) a polyhalogenoalkylthio derivative of the formula ##STR2## in which R.sup.1 is amidosulphonyl or dimethylamidosulphonyl,R.sup.2 is phenyl, methylphenyl or halogeno phenyl, orR.sup.1 and R.sup.2 together are ##STR3## Haloalkyl is alkyl which has up to 2 carbon atoms and is substituted by 2 to 5 halogen atoms.
    Type: Grant
    Filed: October 18, 1989
    Date of Patent: October 22, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Helmut Kaspers, Paul Reinecke, Hans Scheinpflug, Wolfgang Kramer
  • Patent number: 4990528
    Abstract: A synergistic fungicidal composition comprising ##STR1## in which R.sup.1 represents optionally substituted phenyl,R.sup.2 represents hydrogen, alkyl having up to 4 carbon atoms or phenyl,R.sup.3 represents alkyl having up to 6 carbon atoms, cycloalkyl having 5 to 6 carbon atoms, phenyl or 4-chlorophenyl, andY represents the CO group, the group ##STR2## of C(OH).sub.2 or CH(OH),and at least one of several specifically identified additional fungicides.
    Type: Grant
    Filed: August 24, 1989
    Date of Patent: February 5, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Helmut Kaspers, Paul Reinecke, Hans Scheinpflug, Wolfgang Kramer
  • Patent number: 4914119
    Abstract: A synergistic fungicidal composition comprising a fungicidally effective amount of(a) 1-(4-phenyl-phenoxy)-1-(1,2,4-triazol-1-yl)-3,3-dimethyl-butan-2-ol of the formula ##STR1## (b) plus another fungicidally active derivative of 1,2,4-triazole of the formula ##STR2## in which A is the keto group of the CH(OH) group.
    Type: Grant
    Filed: August 23, 1988
    Date of Patent: April 3, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Helmut Kaspers, Paul Reinecke, Hans Scheinpflug, Wolfgang Kramer
  • Patent number: 4912122
    Abstract: Triazolyl-alkanones or triazolyl-alkanols of the formula ##STR1## in which R.sup.1 is alkyl, cycloalkyl, aryl or substituted aryl, andR.sup.2 is hydrogen, alkyl, cycloalkyl, aryl or substituted aryl, orR.sup.1 and R.sup.2 are joined to form an aliphatic ring, andA is a keto group or a CH(OH) group,or a salt thereof which possess fungicidal, microbicidal and plant-growth regulating properties.
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: March 27, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Timmler, Wolfgang Kramer, Karl H. Buchel, Helmut Kaspers, Wilhelm Brandes
  • Patent number: 4902703
    Abstract: A fungicidal composition comprising a fungicidally effective amount of(a) 3,3-dimethyl-2-(4-methoximinomethyl-phenoxymethyl)-1-(1,2,4-triazol-1-yl)- but an-2-ol of the formula ##STR1## and (b) N,N-dimethyl-N'-(fluorodichloromethylmercapto)-N'-(4-methyl-phenyl-sulpham ide of the formula ##STR2##
    Type: Grant
    Filed: January 6, 1988
    Date of Patent: February 20, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Helmut Kaspers, Hans Scheinpflug, Graham Holmwood
  • Patent number: 4902704
    Abstract: A synergistic fungicidal composition comprising a fungicidally effective amount of (I) a 1,2,4-triazolylalkanol of the formula ##STR1## in which X is chlorine or phenyl,plus (II) at least one member selected from the group consisting of(A) a salt of a heavy metal,(B) a guanidine or derivative, and(C) a polyhalogenoalkylthio derivative of the formula ##STR2## in which R.sup.1 is amidosulphonyl or dimethylamidosulphonyl,R.sup.2 is phenyl, methylphenyl or halogeno phenyl, orR.sup.1 and R.sup.2 together are ##STR3## Haloalkyl is alkyl which has up to 2 carbon atoms and is substituted by 2 to 5 halogen atoms.This is a division of application Serial No. 750,719, filed 6/28/85, now pending, which is a continuation of application Ser. No. 526,933, filed 8/26/83, now abandoned.
    Type: Grant
    Filed: December 1, 1986
    Date of Patent: February 20, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Helmut Kaspers, Paul Reinecke, Hans Scheinpflug, Wolfgang Kramer
  • Patent number: 4888349
    Abstract: This invention involves methods and composition for treating fungi comprising a fungicidally effective amount of a mixture of (I) a 1,2,4-triazole derivative of a phenoxyether-ketone or phenoxyether-alkanol selected from the group consisting of ##STR1## and (II) the compound of the formula ##STR2## the weight ratio of I:II ranging from 0.02-50:1.
    Type: Grant
    Filed: March 6, 1987
    Date of Patent: December 19, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Helmut Kaspers, Paul Reinecke, Hans Scheinpflug, Wolfgang Kramer
  • Patent number: 4831048
    Abstract: A fungicidal composition comprising a fungicidally effective amount of(a) 1-(4-chlorophenyl)-4,4-dimethyl-3-(1,2,4-triazol-1-yl-methyl)-pentan-3-ol of the formula ##STR1## and (b) N,N-dimethyl-N'-(fluorodichloromethylmercapto)-N'-(4-methyl-phenyl)-sulpha mide of the formula ##STR2##
    Type: Grant
    Filed: January 6, 1988
    Date of Patent: May 16, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Helmut Kaspers, Hans Scheinpflug, Graham Holmwood
  • Patent number: 4803214
    Abstract: A fungicidal composition comprising ##STR1## and at least one of ##STR2##
    Type: Grant
    Filed: January 15, 1988
    Date of Patent: February 7, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Paul Reinecke, Helmut Kaspers, Hans Scheinpflug, Jorg Stetter
  • Patent number: 4776877
    Abstract: Triazolyl-alkanones or triazolyl-alkanols of the formula ##STR1## in which R.sup.1 is alkyl, cycloalkyl, aryl or substituted aryl, andR.sup.2 is hydrogen, alkyl, cycloalkyl, aryl or substituted aryl, orR.sup.1 and R.sup.2 are joined to form an aliphatic ring, andA is a keto group or a CH(OH) group,or a salt thereof which possess fungicidal, microbicidal and plant-growth regulating properties.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: October 11, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Timmler, Wolfgang Kramer, Karl H. Buchel, Helmut Kaspers, Wilhelm Brandes
  • Patent number: 4772623
    Abstract: Triazolyl-alkanones or triazolyl-alkanols of the formula ##STR1## in which R.sup.1 is alkyl, cycloalkyl, aryl or substituted aryl, andR.sup.2 is hydrogen, alkyl, cycloalkyl, aryl or substituted aryl, orR.sup.1 and R.sup.2 are joined to form an aliphatic ring, andA is a keto group or a CH(OH) group,or a salt thereof which possess fungicidal, microbicidal and plant-growth regulating properties.
    Type: Grant
    Filed: May 2, 1977
    Date of Patent: September 20, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Timmler, Wolfgang Kramer, Karl H. Buchel, Helmut Kaspers, Wilhelm Brandes
  • Patent number: 4701454
    Abstract: The invention relates to a method of combatting fungal diseases with the aid of(a) an oomycetes controlling fungicide of formula I ##STR1## wherein R.sub.1, R.sub.2, independently, are H or CH.sub.3R.sub.3 is H, Cl, Br,X is CH(CH.sub.3)COOCH.sub.3, 2-oxo-tetrahydrofuran-3-yl, 2-oxo-tetrahydrothien-3-yl or 2-oxo-1,3-oxazolidin-3-yl andY is Ch.sub.2 OCH.sub.3, 2-furyl, benzyl, CH.sub.2 Cl, cyclopropyl or 3-isoxazolyl,in association with(b) Anilazine of formula II ##STR2## in admixture or separately in a fungicidally effective aggregate amount, and optionally other fungicides, and to fungicidal compositions comprising such fungicides.
    Type: Grant
    Filed: February 19, 1986
    Date of Patent: October 20, 1987
    Assignee: Sandoz Ltd.
    Inventors: Helmut Kaspers, Jiri Duben, Ulrich Gisi
  • Patent number: 4582843
    Abstract: Triazolyl-alkanones or triazolyl-alkanols of the formula ##STR1## in which R.sup.1 is alkyl, cycloalkyl, aryl or substituted aryl, andR.sup.2 is hydrogen, alkyl, cycloalkyl, aryl or substituted aryl, orR.sup.1 and R.sup.2 are joined to form an aliphatic ring, andA is a keto group or a CH(OH) group,or a salt thereof which possess fungicidal, microbicidal and plant-growth regulating properties.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: April 15, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Timmler, Wolfgang Kramer, Karl H. Buchel, Helmut Kaspers, Wilhelm Brandes
  • Patent number: 4514402
    Abstract: A fungicidal composition comprising a fungicidally effective amount of compound I selected from the group consisting of ##STR1## and an approximately equal weight of compound II selected from the group consisting of a quinoxaline derivative of the formula ##STR2## wherein for compound (IIa), R is Ch.sub.3 and X is O and wherein for compound (IIb), R is H and X is S.
    Type: Grant
    Filed: February 22, 1983
    Date of Patent: April 30, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Helmut Kaspers, Paul Reinecke, Hans Scheinpflug, Wolfgang Kramer
  • Patent number: 4296116
    Abstract: A synergistic fungicidal composition comprising (1) at least one carboxidide of the formula ##STR1## in which Y represents a bifunctional group linking the two carbonyl groups with formation of an optionally substituted 5-membered heterocyclic ring with a total of 1 or 2 hetero-atoms (O and N),and (2) ##STR2##
    Type: Grant
    Filed: October 26, 1979
    Date of Patent: October 20, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Kaspers, Wilhelm Brandes
  • Patent number: 4151287
    Abstract: Compositions containing, and methods of combating fungi using, 1-diaryloxy-1-triazolyl-3,3-dimethyl-butan-2-ones and -butan-2-ols of the formula ##STR1## in which X and Y each independently is halogen, nitro, alkyl, alkoxy, halogenoalkylthio, amino, alkylamino, dialkylamino or N-alkyl-alkylsulfonylamino,Z is a direct bond, oxygen, sulfur, methylene, alkoxymethylene, sulfonyl or keto,A is --CO-- or --CH(OH)--,Az is 1,2,4-triazolyl-(1), 1,2,4-triazolyl-(4) or 1,2,3-triazolyl-(1), andA and b each independently is 0, 1, 2 or 3,Or salts thereof. Some of the compounds are new.
    Type: Grant
    Filed: March 21, 1977
    Date of Patent: April 24, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl Heinz Buchel, Wilhelm Brandes, Helmut Kaspers
  • Patent number: 4101575
    Abstract: N-Aryl- or -heteroaryl-N'-(2,3-dihalogeno-alkanoyl)-ureas of the formula ##STR1## in which R and R' each independently is hydrogen or alkyl,R" is optionally substituted aryl or heteroaryl,R'" is hydrogen, optionally substituted alkyl, cycloalkyl or benzyl, or aryl, andHal is chlorine or bromineWhich possess fungicidal and bactericidal properties.
    Type: Grant
    Filed: March 18, 1976
    Date of Patent: July 18, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Enders, Helmut Kaspers, Wilhelm Brandes
  • Patent number: RE31625
    Abstract: A synergistic fungicidal composition comprising (1) at least one carboxidide of the formula ##STR1## in which Y represents a bifunctional group linking the two carbonyl groups with formation of an optionally substituted 5-membered heterocyclic ring with a total of 1 or 2 hetero-atoms (O and N),and (2) ##STR2##
    Type: Grant
    Filed: November 3, 1982
    Date of Patent: July 3, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Kaspers, Wilhelm Brandes