Nitrogen, Other Than As Nitro Or Nitroso, Attached Indirectly To The Cyano Or Isocyano Group By Nonionic Bonding Patents (Class 504/312)
  • Publication number: 20150031536
    Abstract: The invention relates to sulfmimidoyl- and sulfonimidoylbenzoyl derivatives of the general formula (I). In said formula (I), R, R?, X, W and Z represent radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogens. Q represents a cyclohexandionyl-, pyrazolyl-oder isoxazolyl radical.
    Type: Application
    Filed: February 18, 2013
    Publication date: January 29, 2015
    Inventors: Hartmut Ahrens, Simon Doerner-Rieping, Stefan Lehr, Hansjoerg Dietrich, Elmar Gatzweiler, Christopher Hugh Rosinger, Dirk Schmutzler
  • Publication number: 20140235446
    Abstract: The compounds of the formula (I) in which L represents a radical of the formula and A1, B1 and A2 and B2 are as defined in Claim 1, are suitable as herbicides for the control of harmful plants or as plant growth regulators. The compounds can be prepared by the process of Claim 12.
    Type: Application
    Filed: July 11, 2012
    Publication date: August 21, 2014
    Applicant: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Marc Mosrin, Harald Jakobi, Alfred Angermann, Elmar Gatzweiler, Isolde Häuser-Hahn, Ines Heinemann, Christopher Hugh Rosinger, Stefan Lehr, Stefan Schnatterer
  • Publication number: 20140171310
    Abstract: This document discloses molecules having the following formula (“Formula One”): and processes associated therewith.
    Type: Application
    Filed: December 18, 2013
    Publication date: June 19, 2014
    Applicant: Dow AgroSciences LLC
    Inventors: William C. Lo, James E. Hunter, Gerald B. Watson, Akshay Patny, Pravin S. Iyer, Joshodeep Boruwa
  • Patent number: 8741324
    Abstract: The present invention relates to liquid pesticide concentrate compositions which comprise at least one organic pesticide compound that is sparingly or even insoluble in water and which upon dilution with water form stable aqueous nanoparticulate formulations. The liquid pesticide concentrate compositions of the invention comprise: a) at least one organic pesticide compound C having a water solubility of not more than 1 g/l at 25° C./1013 mbar, b) at least one organic solvent S having a water solubility at least 10 g/l at 25° C.
    Type: Grant
    Filed: July 5, 2005
    Date of Patent: June 3, 2014
    Assignee: BASF SE
    Inventors: Charles W. Finch, Thomas Byrne, Hassan Oloumi-Sadeghi
  • Patent number: 8524896
    Abstract: A compound of the formula (I) where, for example, W, X and Y are each CH; R1 and R6 together with the adjacent nitrogen forms a 3 to 10-membered saturated ring, wherein the ring may contain, in addition to the nitrogen and carbon ring members, 1, 2 or 3 heteroatoms and/or heteroatom groups as ring members, independently of one another, selected from the group consisting of sulfur, CO, SO, SO2 and N—R7 and/or the ring may carry 1, 2 or 3 radicals, independently of one another, each selected, for example, from the group consisting of halogen, cyano, nitro, amino, and C1-C6-alkyl. R2 is, for example, halogen, C1-C6-alkyl, C1-C6-haloalkyl, C1-C6-alkoxy, C1-C6-haloalkoxy or C1-C6-alkoxy-C1-C6-alkoxy, and R7 is for example, R10C(?O), C1-C6 alkyl or C1-C6-haloalkyl; and/or salts thereof; and their use as pesticidal agents.
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: September 3, 2013
    Assignee: Syngenta Crop Protection LLC
    Inventors: Peter Maienfisch, Ottmar Hueter, Peter Renold, Werner Zambach, Thomas Pitterna
  • Publication number: 20110053778
    Abstract: 2-(3-Aminobenzoyl)-3-cyclopropyl-3-oxopropanenitriles of the formula (I) are described as herbicides. In this formula (I), X and Y are organic radicals such as alkyl and other radicals such as halogen, nitro and cyano.
    Type: Application
    Filed: July 27, 2010
    Publication date: March 3, 2011
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Hartmut AHRENS, Ines Heinemann, Andreas Van Almsick, Ralf Braun, Jan Dittgen, Dieter Feucht, Martin Jeffrey Hills, Heinz Kehne, Christopher Hugh Rosinger, Stefan Lehr
  • Patent number: 7851411
    Abstract: ?-Cyanoacrylates of the formula I, where: R1 is ORa wherein Ra is hydrogen, substituted alkyl, branched alkyl, branched alkenyl, cycloloalkyl, heterocyclyl, aryl, phenylalkyl or alkylimino; is NRbRc wherein Rb is hydrogen, alkyl which may be substituted, alkenyl, alkynyl; Rc is hydrogen, alkyl which may be substituted alkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl, phenylalkyl or alkylimino; or Rb and Rc form an alkandiyl-chain which may be substituted; or is SRd wherein Rd is hydrogen, alkyl which may be substituted, alkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl, phenylalkyl or alkylimino; R2 is alkyl which may be substituted; is alkenyl or alkynyl; R3 is alkyl may be substituted; is alkenyl or alkynyl; R4 is hydrogen, halogen, cyano or alkyl; and their agriculturally useful salts, processes and intermediates for their preparation; and the use of these compounds or of compositions comprising these compounds for controlling undesirable plants are described.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: December 14, 2010
    Assignee: BASF SE
    Inventors: Peter Plath, Norbert Götz, Michael Rack, Andreas Landes, Cyrill Zagar, Matthias Witschel, Klaus Groβmann
  • Patent number: 7842832
    Abstract: ?-Amino-?-Cyanoacrylates of formula I where the variables have the following meanings: R1 is n-alkyl, n-alkenyl or alkoxyalkyl; R2,R3 are alkyl, which may be partially or fully halogenated and/or may carry a substituent from the group consisting of cyano, alkoxy, haloalkoxy, alkylthio, haloalkylthio, C1-C6-alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl and haloalkylsulfonyl, are alkenyl or alkynyl; or R2 and R3 together with the carbon atom to which they are attached form a cycloalkyl ring in which one or two nonadjacent CH2 groups may be replaced by oxygen or sulfur, and where the cycloalkyl ring may be substituted by halogen or alkyl; R4 is hydrogen, halogen, cyano or alkyl, where the substituents R2, R3 and R4 or two of the radicals R2, R3 and R4 are not simultaneously methyl, and their agriculturally useful salts, processes and intermediates for their preparation; and the use of these compounds or of compositions comprising these compounds for controlling undesirable plants are described.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: November 30, 2010
    Assignee: BASF SE
    Inventors: Albert C. Everson, Daniel J. Coughlin, Michael A. Guaciaro, Linda B. Fleming, Lester L. Maravetz, John L. Huppatz
  • Publication number: 20100216643
    Abstract: The present invention provides methods of regulating plant stress tolerance.
    Type: Application
    Filed: February 12, 2010
    Publication date: August 26, 2010
    Applicant: REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Sean R. Cutler, Sang-Youl Park, Andrew Defries
  • Patent number: 7304018
    Abstract: The invention relates to compounds of the general formula: (I) and optionally the enantiomers thereof. The active ingredients have advantages pesticidal properties. They are especially suitable for controlling parasites on warm-blooded animals.
    Type: Grant
    Filed: June 15, 2003
    Date of Patent: December 4, 2007
    Assignee: Novartis Animal Health US, Inc.
    Inventors: Pierre Ducray, Thomas Goebel, Jacques Bouvier
  • Patent number: 7153814
    Abstract: The invention relates to compounds of the general formula (I), in which Ar, R1, R2, R3, R4, R5, R6, R7, R8, W, a, b and n are as defined in claim 1, and to any enantiomers thereof. The active ingredients have advantageous pesticidal properties.
    Type: Grant
    Filed: January 20, 2003
    Date of Patent: December 26, 2006
    Assignee: Novartis Animal Health US, Inc.
    Inventors: Pierre Ducray, Thomas Goebel, Jorg Fruchtel, Jacques Bouvier
  • Patent number: 7063856
    Abstract: The invention relates to a composition for controlling a pest, including endoparasites, and more specifically helminths, of formula (I) in animals, and methods related to thereof.
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: June 20, 2006
    Assignee: Novartis Animal Health US, Inc.
    Inventors: Pierre Ducray, Jacques Bouvier
  • Patent number: 7052707
    Abstract: The invention relates to a composition for controlling a pest, including endoparasites, and more specifically helminths, of formula (I) in animals, and methods related to thereof.
    Type: Grant
    Filed: January 21, 2002
    Date of Patent: May 30, 2006
    Assignee: Novartis Animal Health US, Inc.
    Inventors: Pierre Ducray, Jacques Bouvier
  • Publication number: 20030236168
    Abstract: Processes for preparing &agr;-substituted benzylnitroguanidines include the steps of providing a reaction mixture comprising water, alcohol, an S-alkyl nitroisothiourea, and an &agr;-substituted benzylamine; heating the reaction mixture; steam distilling the alcohol from the reaction mixture; and isolating an &agr;-substituted benzylnitroguanidine from the remaining water layer.
    Type: Application
    Filed: June 20, 2002
    Publication date: December 25, 2003
    Inventors: David M. Mayes, Vijay C. Desai, Eric Rivadeneira
  • Publication number: 20030153464
    Abstract: The present invention relates to a phenacylamine derivative of the formula (I) or a salt thereof: 1
    Type: Application
    Filed: August 5, 2002
    Publication date: August 14, 2003
    Inventors: Yuji Nakamura, Masayuki Morita, Kenji Izakura
  • Patent number: 6541425
    Abstract: Solid formulation of a crop protection product can be obtained by melt extrusion and shaping of a mixture consisting of: 0.1-80% by wt. of an active ingredient which can be used in crop protection, or of a combination of such active ingredients, 10-80% by wt. of at least one mineral filler, 0-20% by wt. of inorganic or organic additives, and to 100% by wt.
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: April 1, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Ernst, Matthias Bratz, Karl-Heinrich Schneider, Armin Lange, Thomas Kessler, Klaus Schelberger, Siegfried Strathmann
  • Patent number: 6410486
    Abstract: The present invention relates to novel cycloalkylalkane-carboxamides of the formula I where the substituents have the following meanings: A is C3-C6-cycloalkyl; R1 is C1-C6-alkyl or C2-C6-alkenyl; R2, R3 and R4 are hydrogen or, independently of this meaning, have one of the meanings of the radical R1; n is 0 or 1; Y is cyano or halogen; w is phenyl, naphthyl or heteroaryl.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: June 25, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Frank Wetterich, Karl Eicken, Gisela Lorenz, Eberhard Ammermann, Siegfried Strathmann, Ingo Rose
  • Patent number: 6313166
    Abstract: Compounds of the formula I and the isomers thereof, in which either a) X is an N atom and Y is OR11 or N(R12)R13, or b) X is CH and Y is OR11, and in which furthermore: R11 is C1-C4alkyl; R12 and R13, independenty, are hydrogen or C1-C4alkyl; A is an O atom or the group NR4; and wherein R1, R2 and R3 are as defined herein, are pesticidal active ingredients. They can be used for pest control, in particular as microbicides, insecticides and acaricides in agriculture, horticulture and in the hygiene sector.
    Type: Grant
    Filed: June 22, 1999
    Date of Patent: November 6, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hugo Ziegler, Stephan Trah, Saleem Farooq, René Zurflüh
  • Patent number: 6306798
    Abstract: A composition, which comprises at least one compound of the formula in which A1, A2, R1 and R2 are as defined in claim 1, or, if appropriate, an E/Z isomer, an E/Z isomer mixture and/or a tautomer thereof, in each case in free form or in agrochemically utilizable salt form, as active ingredient and at least one auxiliary, can used for pest control.
    Type: Grant
    Filed: January 21, 1999
    Date of Patent: October 23, 2001
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Friedrich Karrer, Roger Graham Hall
  • Patent number: 6239077
    Abstract: An aminoacetonitrile derivative of the formula (I): (wherein Ar1 and Ar2 represents phenyl group; substituted phenyl group having at least one subsituent selected from halogen atom, nitro group, cyano group, (halo) C1-C6 alkyl group, (halo) C1-C6 alkoxyl group, (substituted) pheny group, (substituted) phenyloxy group and (substituted) phenylacetylene group; (substituted) pyridyl group; and (substituted) naphthyl group, Q represents —C(R1)(R2)— (wherein R1 and R2 represent hydrogen atom, halogen atom, (halo) C1-C6 alkyl group, (halo) C1-C6 alkoxy group, (substituted) C3-C6 cycloalkyl group), or R1 and R2 may be bound to represent C2-C6 alkylene group), —CH═CH— or —C≡C—, d is 0 or an integer of 1, R3 represents hydrogen atom, (halo) C1-C6 alkyl group, R4, R5, R6, R7 and R8 represent hydrogen atom, halogen atom, (halo) C1-C6 alkyl group, W is —O—, —S—, —SO2— or —N(R9)— (wherein R9 is a hydrogen atom o
    Type: Grant
    Filed: April 21, 1999
    Date of Patent: May 29, 2001
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Nobuharu Andoh, Osamu Sanpei, Kazuyuki Sakata
  • Patent number: 6114284
    Abstract: A plant growth regulator comprising as the active ingredients gibberellin and a jasmonic acid ester represented by the following formula (1): ##STR1## wherein R.sup.1 and R.sup.2 represent hydrocarbon groups. Gibberellin and the jasmonic acid ester are applied as a mixture, or as single agents each containing one of the two compounds, which are applied concurrently, or separately by a procedure wherein, while the earlier applied one is still in force, the other is applied.
    Type: Grant
    Filed: February 25, 1999
    Date of Patent: September 5, 2000
    Assignee: Nippon Zeon Co., Ltd.
    Inventors: Hiroshi Fujisawa, Nada Morishige, Yasuo Kamuro
  • Patent number: 5977182
    Abstract: Compounds of formula (I), wherein Y is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, OH, CN, NO.sub.2, Si(CH.sub.3).sub.3, CF.sub.3 or halogen, and T is a group (a) or (b), and wherein the remaining substituents have the following definitions: X is O, S or NR.sub.13 ; A is O or NR.sub.4 ; R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, halo-C.sub.1 -C.sub.4 alkyl, cyclopropyl, C.sub.1 -C.sub.4 alkoxymethyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio or cyano; R.sub.2 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, cyano unsubstituted or substituted C.sub.1 -C.sub.6 alkoxycarbonyl, unsubstituted or substituted di(C.sub.1 -C.sub.6 alkyl)aminocarbonyl, unsubstituted or substituted C.sub.1 -C.sub.6 alkyl-S(O).sub.q, unsubstituted or substituted aryl-S(O).sub.q, unsubstituted or substituted heteroaryl, unsubstituted or substituted heterocyclyl, unsubstituted or substituted heterocyclylcarbonyl or unsubstituted or substituted phenyl; and R.sub.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: November 2, 1999
    Assignee: Novartis Finance Corporation
    Inventors: Rene Zurfluh, Hugo Ziegler, Stephan Trah
  • Patent number: 5817603
    Abstract: Substituted cyclohexene-1,2-dicarboxylic acid derivatives I ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are herein defined, or the agriculturally useful salts of Ia and Ib and intermediates for their preparation, which compounds are useful as herbicides and for the desiccation/defoliation of plants.
    Type: Grant
    Filed: February 11, 1997
    Date of Patent: October 6, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Ralf Klintz, Elisabeth Heistracher, Peter Schaefer, Gerhard Hamprecht, Peter Plath, Uwe Kardorff, Matthias Gerber, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 5804532
    Abstract: Herbicides derived from 2-cyano-1,3-diones have the formula: ##STR1## wherein R, R.sup.1, R.sup.2 R.sup.3, R.sup.4 and R.sup.5 are as defined in the description. The compounds are intended for use pre- and post-emergence as selective herbicides in maize and a large number of other monocotyledon crops.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: September 8, 1998
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventors: Paul Alfred Cain, Susan Mary Cramp, Claude Lambert, Derek Ian Wallis, Thomas David Yarwood, Gillian Mary Little, John Morris, Tibor Musil, Simon Neil Pettit, Philip Henry Gaunt Smith
  • Patent number: 5756426
    Abstract: Described herein are compounds of the formula I ##STR1## and the isomers thereof, in which either a) X is an N atom andY is OR.sub.11 or N(R.sub.12)R.sub.13, orb) X is CH andY is OR.sub.11,and in which furthermore:R.sub.11 is C.sub.1 -C.sub.4 alkyl;R.sub.12 and R.sub.13, independently, are hydrogen or C.sub.1 -C.sub.4 alkyl;A is an O atom or the group NR.sub.4 ; and whereinR.sub.1, R.sub.2 and R.sub.3 are as defined herein, are pesticidal active ingredients. They can be used for pest control, in particular as microbicides, insecticides and acaricides in agriculture, horticulture and in the hygiene sector.
    Type: Grant
    Filed: September 11, 1995
    Date of Patent: May 26, 1998
    Assignee: Novartis Corporation
    Inventors: Hugo Ziegler, Stephan Trah, Saleem Farooq, Rene Zurfluh
  • Patent number: 5674811
    Abstract: A cyanoketone derivatives of the following formula (1) ##STR1## which are characterized by excellent herbicidal activity and effectiveness against a variety of broad leafed weeds, including barnyard grass, green foxtail, velvet leaf, livid amaranth and hairy beggar ticks.
    Type: Grant
    Filed: October 6, 1994
    Date of Patent: October 7, 1997
    Assignee: Tokuyama Corporation
    Inventors: Toshio Kitajima, Tadashi Kobutani, Shozo Kato, Masao Yamaguchi, Masahiko Ishizaki, deceased
  • Patent number: 5629265
    Abstract: Disclosed herein are cyanoketone derivatives of the following formula (1) ##STR1## such as 1-cyano-1-piperidinocarbonyl-3-[4-(2-chloro-4-trifluoromethylphenoxy)pheno xy]-2-butanone, 1-cyano-1-piperidinocarbonyl-3-[4-(3-chloro-5-trifluoromethyl-2-pyridyloxy )phenoxy]-2-butanone, 1-cyano-1-(N-methyl-N-dichlorophenyl)aminocarbonyl-3-[4-(2-quinoxalyloxy)p henoxy]-2-butanone, 1-cyano-1-(N,N-dibutyl)aminocarbonyl-3-[4-(3-chloro-5-trifluoromethyl-2-py ridyloxy)phenoxy-2-butanone, and the like, which are characterized by excellent herbicidal activity and effectiveness against a variety of gramineous weeds.
    Type: Grant
    Filed: June 22, 1994
    Date of Patent: May 13, 1997
    Assignee: Tokuyama Corporation
    Inventors: Masahiko Ishizaki, Seiji Nagata, Junji Takenaka
  • Patent number: 5336664
    Abstract: Compounds of formula ##STR1## wherein R, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and X have the meanings reported in the description, can be used in compositions for agricultural use in particular as herbicides in the defence of useful crops from weeds.
    Type: Grant
    Filed: April 22, 1991
    Date of Patent: August 9, 1994
    Assignees: Zambon Group S.p.A., Agrimont S.r.l.
    Inventors: Giovanni Camaggi, Dario Chiarino, Mario Fantucci, Giovanni Meazza
  • Patent number: 5296454
    Abstract: The invention relates to novel acetanilides of the formula (I) ##STR1## wherein Ar represents phenyl, furyl or thienyl,R.sup.1 represents hydrogen, C.sub.1-5 -alkyl, C.sub.3-6 -cycloalkyl, C.sub.3-6 -cycloalkyl-methyl, C.sub.3-5 alkenyl, C.sub.3-5 -alkynyl, C.sub.1-3 -haloalkyl, C.sub.3-5 -epoxyalkyl, C.sub.1-3 -alkoxy-C.sub.1-4 -alkyl, C.sub.1-3 -alkylthio-C.sub.1-4 -alkyl, C.sub.1-3 -alkoxycarbonyl-C.sub.1-2 -alkyl, cyano-C.sub.1-3 -alkyl, or aralkylR.sup.2 represents hydrogen or C.sub.1-3 -alkyl,R.sup.3 represents hydrogen or C.sub.1-3 -alkyl,X represents halogen, andY represents iso-propyl, tert-butyl, C.sub.1-2 -haloalkyl, C.sub.1-2 -haloalkoxy, C.sub.1-2 -haloalkylthio or C.sub.1-2 -alkylsulfonyl,to processes for their preparation and to their use as herbicides. The invention also relates to novel intermediates and to processes for their preparation.
    Type: Grant
    Filed: June 26, 1992
    Date of Patent: March 22, 1994
    Assignee: Nihon Bayer Agrochem K.K.
    Inventors: Toshio Goto, Hidenori Hayakawa, Itsuko Manabe, Akihiko Yanagi
  • Patent number: 5228899
    Abstract: Plant growth regulators comprising, as an active ingredient, a substituted dicarboxylic acid derivative having the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, D and G are the same as defined in the present specification, the substituted dicarboxylic acid derivatives, and processes for preparing the same, are disclosed. The plant growth regulators provided according to the present invention have a regulating activity on plant growth; more specifically, an action thereof of lowering the content of endogenous ethylene in a plant is utilized.
    Type: Grant
    Filed: August 24, 1990
    Date of Patent: July 20, 1993
    Assignee: Sumitomo Chemical Company Limited
    Inventors: Yoshikazu Itoh, Akio Manabe, Masato Mizutani, Naonori Hirata, Sachiko Uwayokote, Kazuo Izumi, Kenji Arai
  • Patent number: 5192358
    Abstract: Oxalylhydroxamic acid derivatives of the formula IR.sup.1 --ON(R.sup.2)--CO--CO--X--R.sup.3 I,where the substituents have the following meanings:X is oxygen or sulfur;R.sup.1 issubstituted or unsubstituted alkyl, alkenyl or alkynyl;substituted or unsubstituted monocyclic or polycyclic cycloalkyl or cycloalkylmethyl;substituted or unsubstituted phenyl or phenyl-C.sub.1 -C.sub.4 -alkyl;R.sup.2 is hydrogen or alkyl;R.sup.3 issubstituted or unsubstituted alkyl, alkenyl or alkynyl;substituted or unsubstituted monocyclic or polycyclic cycloalkyl;substituted or unsubstituted phenyl-C.sub.1 -C.sub.4 -alkyl or phenoxy-C.sub.1 -C.sub.4 -alkyl;and their agriculturally useful salts; their manufacture; growth-regulating agents containing them; and methods of regulating plant growth.
    Type: Grant
    Filed: July 1, 1991
    Date of Patent: March 9, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Costin Rentzea, Wilhelm Rademacher