Patents by Inventor Klaus Sasse

Klaus Sasse 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: 4233058
    Abstract: A 4,5-dicloro-imidazole-1-carboxylic acid aryl ester of the formula ##STR1## in which X represents ##STR2## wherein R.sup.2 represents hydrogen, C.sub.1-8 alkyl, alkenyl, or the formyl group andR.sup.3 represents phenyl or substituted phenyland their use as herbicides.
    Type: Grant
    Filed: March 23, 1979
    Date of Patent: November 11, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Gunther Beck, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4220663
    Abstract: Benzyl phenyl ethers, many of which are new, of the formula ##STR1## in which X is ##STR2## R.sup.1 is H or alkyl, R.sup.2 is alkyl, alkenyl, alkynyl, alkylidene, alkenylidene or alkynylidene optionally substituted by OH, alkoxy, a heterocyclic group containing O, S or N, amino, monoalkylamino, dialkylamino or by an alkylene bridge with 5 carbon atoms,R.sup.3 each independently is H, alkyl, alkoxy, alkylmercapto, halogen, halogenoalkyl, halogenoalkoxy, halogenoalkylmercapto, NO.sub.2, amino, monoalkylamino or dialkylamino,R.sup.4 each independently is H, halogen or alkoxy,m is an integer from 1 to 5, andn is an integer from 1 to 4,and acid addition salts thereof, are useful for combatting arthropods, nematodes, fungi and bacteria.
    Type: Grant
    Filed: July 20, 1978
    Date of Patent: September 2, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Andreas Schulze, Klaus Sasse, Klaus Naumann, Peter Roessler, Peter Kraus
  • Patent number: 4206212
    Abstract: Plant-pathogenic bacteria are combated with 3-halogeno-benzotriazine 1-oxides of the formula ##STR1## in which X each independently is halogen, a nitro group, an alkyl, halogenoalkyl, alkoxy, alkylmercapto or alkylsulphonyl group with up to 4 carbon atoms in each case, a phenoxy radical or a phenylmercapto radical,n is an integer from 0 to 4, andHal is chlorine or bromine.Such compounds are produced by reacting the corresponding 3-hydroxy compounds with thionyl chloride in the presence of dimethylformamide.
    Type: Grant
    Filed: August 25, 1978
    Date of Patent: June 3, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Peter Kraus, Hans Scheinpflug
  • Patent number: 4187100
    Abstract: A 4,5-dichloro-imidazole-1-carboxylic acid aryl ester of the formula ##STR1## in which X represents trifluoromethyl, cyano or a group ##STR2## in which R.sup.1 represents a saturated or unsaturated aliphatic radical, which can be carrying one or more substituents selected from halogen, alkoxy with 1 to 6 carbon atoms and alkylmercapto with 1 to 6 carbon atoms, R.sup.2 represents hydrogen, alkyl with 1 to 8 carbon atoms, alkenyl with up to 8 carbon atoms or the formyl group, R.sup.
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: February 5, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Gunther Beck, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4187101
    Abstract: 1-Acyloxymethyl-4,5-dichloro-imidazole-2-carboxylic acid derivatives of the formula ##STR1## in which X represents trifluoromethyl, cyano or a group ##STR2## in which R.sup.1 represents a saturated or unsaturated aliphatic radical, which can be carrying one or more substituents selected from halogen, alkoxy with 1 to 6 carbon atoms and alkylmercapto with 1 to 6 carbon atoms, R.sup.2 represents hydrogen, alkyl with 1 to 8 carbon atoms, alkenyl with up to 8 carbon atoms or the formyl group, R.sup.
    Type: Grant
    Filed: September 27, 1978
    Date of Patent: February 5, 1980
    Assignee: Bayer Aktiengeselleschaft
    Inventors: Florin Seng, Klaus Sasse, Gunther Beck, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4185991
    Abstract: A 4,5-dichloro-imidazole derivative of the formula ##STR1## in which X represents trifluoromethyl, cyano or a ##STR2## or ##STR3## in which R.sup.1 represents a saturated or unsaturated aliphatic radical, which can be carrying one or more substituents selected from halogen, alkoxy with 1 to 6 carbon atoms and alkylmercapto with 1 to 6 carbon atoms,R.sup.2 represents hydrogen, alkyl with 1 to 8 carbon atoms, alkenyl with up to 8 carbon atoms or the formyl group,R.sup.
    Type: Grant
    Filed: September 25, 1978
    Date of Patent: January 29, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Gunther Beck, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4183742
    Abstract: A 4,5-dichloro-imidazole-1-carboxylic acid aryl ester of the formula ##STR1## in which X represents trifluoromethyl, cyano or a group ##STR2## in which R.sup.1 represents an optionally substituted saturated or unsaturated aliphatic radical, R.sup.2 represents hydrogen, alkyl with 1 to 8 carbon atoms, alkenyl with up to 8 carbon atoms or the formyl group, R.sup.3 represents alkyl with 1 to 8 carbon atoms or alkenyl or alkynyl each with up to 8 carbon atoms, it being possible for each of these alkyl, alkenyl and alkynyl radicals to carry one or more substituents, or represents cycloalkyl with 5 to 7 carbon atoms in the ring which is optionally substituted by alkyl with 1 to 6 carbon atoms, or represents phenyl which may optionally carry one or more substituents, or R.sup.2 and R.sup.
    Type: Grant
    Filed: September 21, 1977
    Date of Patent: January 15, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Gunther Beck, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4179277
    Abstract: 4,5-Dichloroimidazole-2-carboxylic acid derivatives of the formula ##STR1## in which the group ##STR2## represents a carbon atom which has three bonds to hetero-atoms, and their salts with bases,possess insecticidal, acaricidal, fungicidal, nematicidal and herbicidal properties.
    Type: Grant
    Filed: February 18, 1977
    Date of Patent: December 18, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunther Beck, Klaus Sasse, Helmut Heitzer, Ludwig Eue, Robert R. Schmidt, Hans Scheinpflug, Ingeborg Hammann, Wilhelm Brandes
  • Patent number: 4178166
    Abstract: A 4,5-dichloro-imidazole derivative of the formula ##STR1## in which X represents trifluoromethyl, cyano or a ##STR2## in which R.sup.1 represents an optionally saturated or unsaturated aliphatic radical,R.sup.2 represents hydrogen, alkyl with 1 to 8 carbon atoms, alkenyl with up to 8 carbon atoms or the formyl group,R.sup.3 represents hydrogen, alkyl with 1 to 8 carbon atoms or alkenyl or alkynyl with up to 8 carbon atoms, it being possible for each of these alkyl, alkenyl and alkynyl radicals to carry one or more substituents, or represents cycloalkyl with 5 to 7 carbon atoms in the ring which is optionally substituted by alkyl with 1 to 6 carbon atoms, or represents phenyl which may optionally carry one or more substituents, orR.sup.2 and R.sup.
    Type: Grant
    Filed: September 21, 1977
    Date of Patent: December 11, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Gunther Beck, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4177055
    Abstract: Novel 1-acyloxymethyl-4,5-dichloro-imidazole-2-carboxylic acid derivatives of the formula ##STR1## in which X represents trifluoromethyl, cyano or a group ##STR2## in which R.sup.1 represents an optionally substituted saturated or unsaturated aliphatic radical, R.sup.2 represents hydrogen, alkyl with 1 to 8 carbon atoms, alkenyl with up to 8 carbon atoms or the formyl group, R.sup.3 represents alkyl with 1 to 8 carbon atoms or alkenyl or alkynyl each with up to 8 carbon atoms, it being possible for each of these alkyl, alkenyl and alkynyl radicals to carry one or more substituents, or represents cycloalkyl with 5 to 7 carbon atoms in the ring which is optionally substituted by alkyl with 1 to 6 carbon atoms, or represents phenyl which may optionally carry one or more substituents, or R.sup.2 and R.sup.
    Type: Grant
    Filed: September 21, 1977
    Date of Patent: December 4, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Florin Seng, Klaus Sasse, Gunther Beck, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4145439
    Abstract: Benzyl phenyl ethers, many of which are new, of the formula ##STR1## in which X is ##STR2## R.sup.1 is H or alkyl, R.sup.2 is alkyl, alkenyl, alkynyl, alkylidene, alkenylidene or alkynylidene optionally substituted by OH, alkoxy, a heterocyclic group containing O, S or N, amino, monoalkylamino, dialkylamino or by an alkylene bridge with 5 carbon atoms,R.sup.3 each independently is H, alkyl, alkoxy, alkylmercapto, halogen, halogenoalkyl, halogenoalkoxy, halogenoalkylmercapto, NO.sub.2, amino, monoalkylamino or dialkylamino,R.sup.4 each independently is H, halogen or alkoxy,M is an integer from 1 to 5, andN is an integer from 1 to 4,And acid addition salts thereof, are useful for combatting arthropods, nematodes, fungi and bacteria.
    Type: Grant
    Filed: June 23, 1977
    Date of Patent: March 20, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Andreas Schulze, Klaus Sasse, Klaus Naumann, Peter Roessler, Peter Kraus
  • Patent number: 4076517
    Abstract: Plant growth is regulated, e.g., inhibited, by applying to a plant or its habitat a composition containing as an active ingredient a phospholenium salt of the formula ##STR1## in which R.sup.1 is alkyl, substituted alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl, aralkyl substituted in the aryl part, alkoxy, substituted alkoxy, alkylthio or substituted alkylthio,R.sup.2 is alkyl, substituted alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or aralkyl substituted in the aryl part,Y is a chain of the structure --CH.sub.2 --CH.dbd.CH--CH.sub.2 -- or CH.dbd.CH--CH.sub.2 --CH.sub.2 -- which can be substituted by at least one of halogen and alkyl, andA.sup.- is one equivalent of an anion of a non-phytotoxic acid,In admixture with a solid or liquefied gaseous diluent or carrier or in admixture with a liquid diluent or carrier containing a surface-active agent.
    Type: Grant
    Filed: January 15, 1976
    Date of Patent: February 28, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Naumann, Klaus Sasse, Klaus Lurssen
  • Patent number: 4067981
    Abstract: 7-Substituted-benzo-1,2,4-triazine-3-ethers of the formula ##STR1## in which R is alkyl with up to 8 carbon atoms optionally substituted by halogen or lower alkoxy, or alkenyl with 3 to 6 carbon atoms, andX is halogen, trifluoromethyl or alkoxy with up to 4 carbon atoms,Which possess fungicidal, bactericidal, insecticidal and acaricidal properties.
    Type: Grant
    Filed: August 26, 1976
    Date of Patent: January 10, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Paul-Ernst Frohberger, Hans Scheinpflug
  • Patent number: 4067726
    Abstract: New 3-amino-phenylacetic acid compounds of the formula: ##STR1## wherein X is hydrocarbyloxy or hydrocarbylthio optionally substituted by halogen, alkoxy, aryloxy, alkylmercapto or arylmercapto, or X is mono- or disubstituted amino, or represent a 5- to 8-membered heterocyclic ring;Y is oxygen or sulfur;Z is optionally substituted hydrocarbyl or hydrocarbyloxy or -thio, or Z can represent mono- or disubstituted amino, or a closed heterocyclic ring;Possess outstanding herbicidal activity, both pre-emergence and post-emergence.
    Type: Grant
    Filed: April 30, 1975
    Date of Patent: January 10, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Ludwig Eue
  • Patent number: 4057413
    Abstract: Piperazine derivatives of the general formula ##STR1## in which R.sup.1, R.sup.2, and R.sup.3, independently of one another, are each optionally substituted alkyl, optionally substituted alkenyl, alkynyl, cycloalkyl or aralkyl which is optionally substituted in the aryl part, andN is 0, 1, 2, 3, or 4,Exhibit powerful plant growth-regulating properties.
    Type: Grant
    Filed: September 12, 1975
    Date of Patent: November 8, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Naumann, Klaus Lurssen, Klaus Sasse, Ulrich Holtschmidt, Gunter Schwarzmann
  • Patent number: 4056527
    Abstract: New tetrahydro-1,3,5-triazine-2,6-dione compounds of the formula ##STR1## in which R.sup.1 is optionally substituted aliphatic or aromatic hydrocarbyl,R.sup.2 is hydrogen, alkyl, cycloalkyl, aralkyl, aryl, hydroxy, alkoxy, acyloxy, or --NR.sup.4 R.sup.5,R.sup.4 and R.sup.5 are individually hydrogen, alkyl or acyl, optionally substituted with nitrile, hydroxyl and/or halogen, orR.sup.4 and R.sup.5 together represent alkylidene, andR.sup.3 is hydrogen, alkyl, halogenoalkyl, halogen, aryloxy or an --NR.sup.6 R.sup.7 radical wherein R.sup.6 and R.sup.7 individually are selected from hydrogen, alkyl, cycloalkyl, aralkyl, aryl, hydroxyl, amino or alkoxy and R.sup.6 and R.sup.7 together with the nitrogen atom, represent a heterocyclic radical;R.sup.3, with the proviso that R.sup.2 is other than hydrogen, can also be alkoxy or alkylmercapto.
    Type: Grant
    Filed: October 18, 1973
    Date of Patent: November 1, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans Georg Schlee, Klaus Sasse, Ludwig Eue
  • Patent number: 4047923
    Abstract: Plant-growth regulating compositions and methods having strong effects on plant growth, containing a heterocyclic sulfonium salt of the formula ##STR1## in which R is alkyl; substituted alkyl; alkenyl; alkynyl; cycloalkyl; or aralkyl which is optionally substituted in the aryl moiety;A.sup.- is one equivalent of an anion; and X is oxygen or the group N.sup.+ R'R" A.sup.- or S.sup.+ -R'" A.sup.- in whichA.sup.- is identified as above;R' and R", which may be identical or different, are each alkyl of up to 6 carbon atoms; andR'" is defined as R or can be, together with R, an ethylene linkage.
    Type: Grant
    Filed: June 18, 1975
    Date of Patent: September 13, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Naumann, Klaus Lurssen, Klaus Sasse
  • Patent number: 4027037
    Abstract: N-substituted .beta.-aminocrotonic acid esters of the formula ##STR1## in which R.sup.1 is hydrogen, or alkyl or alkenyl with up to 4 carbon atoms;R.sup.2 is straight-chain or branched alkyl or alkenyl with up to 9 carbon atoms, optionally interrupted by O or S, and optionally substituted by halogen, phenoxy, dimethylamino, cyclic alkyl or alkenyl with up to 8 carbon atoms which are optionally substituted by halogen, dimethylamino, or alkyl, alkoxy or alkylthio with up to 4 carbon atoms, phenyl which is optionally substituted by halogen, dimethylamino, phenoxy, or alkyl, alkenyl, acyl, alkoxy, alkenoxy or alkynoxy containing up to 4 carbon atoms, or a 5- or 6-membered heterocyclic ring containing at least one O, S or N hetero-atom and optionally substituted by halogen, alkyl or alkoxy containing up to 4 carbon atoms or R.sub.
    Type: Grant
    Filed: March 12, 1975
    Date of Patent: May 31, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Siegle, Klaus Sasse, Peter Rossler
  • Patent number: 4021221
    Abstract: Compositions for regulating the growth of plants containing phospholanium salts of the formula: ##STR1## in which R.sup.1 is optionally substituted alkyl, alkenyl, alkynyl or cycloalkyl, or aralkyl which is optionally substituted in the aryl part,R.sup.2 is optionally substituted alkyl, alkenyl, alkynl or cycloalkyl, or aralkyl which is optionally substituted in the aryl part,R.sup.3 is halogen or alkyl,n is 0, 1 or 2, andA.sup.- is one equivalent of an anion of a nonphytotoxic acidAre outstandingly useful to inhibit, enhance, or modify the growth of plants, even at relatively low dosages.
    Type: Grant
    Filed: May 28, 1975
    Date of Patent: May 3, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Naumann, Klaus Lurssen, Klaus Sasse
  • Patent number: 3989710
    Abstract: Novel carbonic acid derivatives of 2-mercapto-4,5-dichloro-thiazole which has the formula ##SPC1##In whichX is oxygen or sulfurY is a radical -OR, -SR or ##EQU1## are outstandingly effective herbicides exhibiting particularly pronounced post-emergence activity.
    Type: Grant
    Filed: August 14, 1974
    Date of Patent: November 2, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Gunther Beck, Ludwig Eue