Patents by Inventor Ernst Beriger

Ernst Beriger 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).

  • Combatting insects and acarids with certain O-methyl/ethyl-S-propyl/butyl-O-phenyl-thiophosphates and -dithiophosphates
    Patent number: 4017612
    Abstract: Thiophosphoric and dithiophosphoric acid esters of the formula ##STR1## wherein R.sub.1 represents methyl or ethyl, R.sub.2 represents n-propyl, isobutyl or sec, butyl, R.sub.3 and R.sub.4 each represents chlorine, bromine, methyl or ethyl, R.sub.5 represents--OCOCH.sub.3, --O--C.sub.3 --C.sub.5 --alkenyl, --O--C.sub.3 --C.sub.5 --alkinyl, --O--C.sub.1 --C.sub.4 --alkylene-O--C.sub.1 --C.sub.4 --alkyl, --O--CH.sub.2 --CCl=CH.sub.2, --O--CH.sub.2 --CH=CHCl, ##STR2## --S--C.sub.3 --C.sub.5 --alkenyl, SCN, --CH.sub.2 --CCl=CH.sub.2, --CH.sub.2 CH=CHCl, --CHO, ##STR3## ##STR4## AND X represents oxygen or sulphur, processes for their manufacture and their use in pest control.
    Type: Grant
    Filed: May 19, 1975
    Date of Patent: April 12, 1977
    Assignee: Ciba-Geigy Corporation
    Inventors: Ernst Beriger, Manfred Boger, Jozef Drabek, Odd Kristiansen
  • Control of insects with 3-hydroxymethacrylic acid methyl ester dimethylthionophosphate
    Patent number: 4017611
    Abstract: The compound of the formula ##STR1## its manufacture and use in pest control.
    Type: Grant
    Filed: October 10, 1975
    Date of Patent: April 12, 1977
    Assignee: Ciba-Geigy AG
    Inventors: Ernst Beriger, Ladislaus Pinter
  • Pesticidally active thio- and dithiophosphoric acid esters
    Patent number: 4006228
    Abstract: Thio- and dithiophosphoric acid esters of the formula I ##STR1## wherein R.sub.1 is methyl or ethyl,R.sub.2 is C.sub.3 -C.sub.5 -alkyl,R.sub.3 is C.sub.1 -C.sub.5 -alkyl, C.sub.3 -C.sub.5 -alkenyl, C.sub.3 -C.sub.5 -alkynyl, benzyl, .alpha.-phenethyl or .beta.-phenethyl,R.sub.4 is phenyl or a group of the formula --CH.sub.2 -COOR.sub.3 wherein R.sub.3 has the meaning given above andX is oxygen or sulphur are pesticidal in particular acaridal or insecticidal agents.
    Type: Grant
    Filed: September 10, 1975
    Date of Patent: February 1, 1977
    Assignee: Ciba-Geigy Corporation
    Inventor: Ernst Beriger
  • O-ethyl-S-(n)-propyl-s-carbamoylalkyl dithiophosphates
    Patent number: 3991140
    Abstract: S-carbamoylalkyl-O-ethyl-S-(n)-propyldithiophosphoric esters having the formula ##EQU1## wherein R.sub.1 represents hydrogen, methyl or allyl and R.sub.2 represents --CH.sub.2 OCH.sub.3, --C.sub.2 H.sub.4 OCH.sub.3, --C.sub.3 H.sub.6 OCH.sub.3, --CH.sub.2 CN, C.sub.2 H.sub.4 CN, --OCH.sub.3 or allyl a process for their manufacture and their use in pest control.
    Type: Grant
    Filed: August 9, 1974
    Date of Patent: November 9, 1976
    Assignee: Ciba-Geigy Corporation
    Inventor: Ernst Beriger
  • O-methyl/ethyl-S-propyl/butyl-O-phenyl thiphosphates and dithiophosphates having a thioether group on the phenyl ring
    Patent number: 3991141
    Abstract: Thiophosphoric and dithiophosphoric acid esters of the formula ##SPC1##Wherein R.sub.1 represents methyl or ethyl, R.sub.2 represents n-propyl, isobutyl or sec, butyl, R.sub.3 and R.sub.4 each represents chlorine, bromine, methyl or ethyl, R.sub.5 represents--OCOCH.sub.3, --O--C.sub.3 --C.sub.5 -alkenyl, --O--C.sub.3 --C.sub.5 -alkinyl, --O--C.sub.1 --C.sub.4 -alkylene-O--C.sub.1 --C.sub.4 -alkyl, --O--CH.sub.2 --CCl=CH.sub.2, --O--CH.sub.2 --CH=CHCl, ##EQU1##--S--C.sub.3 --C.sub.5 -alkenyl, SCN, --CH.sub.2 --CCl=CH.sub.2, --CH.sub.2 CH=CHCl, --CHO, ##SPC2##--CH=N--C.sub.1 --C.sub.4 -alkyl, --CH=N--NH--C.sub.1 --C.sub.4 -alkyl or X represents oxygen or sulphur, processes for their manufacture and their use in pest control.
    Type: Grant
    Filed: December 20, 1974
    Date of Patent: November 9, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Ernst Beriger, Manfred Boger, Jozef Drabek, Odd Kristiansen
  • O,S-Dialkyl-O-(1-methoxyphenyl-2-halovinyl)-dithiophosphates
    Patent number: 3979484
    Abstract: Compounds of the formula ##EQU1## wherein R.sub.1 represents methyl or ethyl,R.sub.2 represents n-propyl, n-butyl, isobutyl or sec.butyl,(R.sub.3).sub.n represents one or more hydrogen atoms, or represents similar or different chlorine, bromine, methyl or methoxy, n is 1, 2 or 3, Y represents hydrogen or chlorine and Hal represents chlorine or bromine and their use of combating insects and members of the order Acarina are disclosed.
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: September 7, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Ernst Beriger, Jozef Drabek
  • Insecticidal O,S-dialkyl esters of pyridylthio-and-pyridyldithio-phosphoric acids
    Patent number: 3968222
    Abstract: Pyridylthio- or dithiophosphoric acid esters of the formula ##EQU1## wherein R.sub.1 represents n-propyl, isobutyl, sec.-butyl or n-pentyl,R.sub.2 represents hydrogen, chlorine, bromine, cyano, nitro, (C.sub.1 -C.sub.4 -alkoxy)carbonyl, mono(C.sub.1 -C.sub.4 -alkyl)carbamoyl or di(C.sub.1 -C.sub.4 -alkyl)carbamoyl,R.sub.3 represents hydrogen, chlorine, bromine or methyl, andX represents oxygen or sulphur and their use for combating pests are disclosed.
    Type: Grant
    Filed: January 16, 1975
    Date of Patent: July 6, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Jozef Drabek, Ernst Beriger, Beat Bohner
  • Certain pesticidal phosphorus containing amidines
    Patent number: 3966921
    Abstract: Compounds of the formula ##EQU1## wherein R.sub.1 represents phenyl, or phenyl mono- to trisubstituted by halogen, mono- or disubstituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkylthio, nitro, cyano or trifluoromethyl, or monosubstituted by C.sub.1 -C.sub.4 -carbalkoxy,R.sub.2 represents methyl, methoxy, ethyl, ethoxy or phenyl,R.sub.3 represents hydrogen or methyl,R.sub.4 and R.sub.5 represent methyl, ethyl, n-propyl, isopropyl or allyl,X and Y represent oxygen or sulphur, orR.sub.4 and R.sub.5 with the nitrogen atom to which they are bound form the morpholino, piperidino or pyrrolidino ring, orR.sub.3 with R.sub.4 or R.sub.5 forms a 5- or 6-membered saturated ring, whereby then the group R.sub.4 or R.sub.5 not participating in the ring formation represents methyl or ethyl,A process for their manufacture and their use for the control of pests, especially for the control of phytopathogenic nematodes, are disclosed.
    Type: Grant
    Filed: May 5, 1975
    Date of Patent: June 29, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Ernst Beriger, Odd Kristiansen, Kurt Rufenacht, Jorg Bader, deceased
  • O,S-Dialkyl esters of pyridylthio- and pyridyldithio-phosphoric acid
    Patent number: 3957802
    Abstract: Pyridylthio- or dithiophosphoric acid esters of the formula ##EQU1## wherein R.sub.1 represents n-propyl, isobutyl, sec.-butyl or n-pentyl,R.sub.2 represents hydrogen, chlorine, bromine, cyano, nitro, (C.sub.1 -C.sub.4 -alkoxy)carbonyl, mono(C.sub.1 -C.sub.4 -alkyl)carbamoyl or di(C.sub.1 -C.sub.4 -alkyl)carbamoyl,R.sub.3 represents hydrogen, chlorine, bromine or methyl, andX represents oxygen or sulphur and their use for combating pests are disclosed.
    Type: Grant
    Filed: January 16, 1975
    Date of Patent: May 18, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Jozef Drabek, Ernst Beriger, Beat Bohner
  • O,S-Dialkyl esters of pyridylthio- and pyridyldithiophosphoric acid
    Patent number: 3957801
    Abstract: Pyridylthio- or dithiophosphoric acid esters of the formula ##SPC1##WhereinR.sub.1 represents n-propyl, isobutyl, sec.-butyl or n-pentyl,R.sub.2 represents hydrogen, chlorine, bromine, cyano, nitro, (C.sub.1 -C.sub.4 -alkoxy)carbonyl, mono(C.sub.1 -C.sub.4 -alkyl)carbamoyl or di(C.sub.1 -C.sub.4 -alkyl)carbamoyl,R.sub.3 represents hydrogen, chlorine, bromine or methyl, andX represents oxygen or sulphur and their use for combating pests are disclosed.
    Type: Grant
    Filed: January 16, 1975
    Date of Patent: May 18, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Jozef Drabek, Ernst Beriger, Beat Bohner
  • O-methyl/ethyl-s-propyl/butyl-o-phenyl thiophosphates and dithiophosphates having an ether group or the phenyl ring
    Patent number: 3943202
    Abstract: Thiophosphoric and dithiophosphoric acid esters of the formula ##SPC1##Wherein R.sub.1 represents methyl or ethyl, R.sub.2 represents n-propyl, isobutyl or sec, butyl, R.sub.3 and R.sub.4 each represents chlorine, bromine, methyl or ethyl, R.sub.5 represents ##EQU1## X represents oxygen or sulphur, processes for their manufacture and their use in pest control.
    Type: Grant
    Filed: December 20, 1974
    Date of Patent: March 9, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Ernst Beriger, Manfred Boger, Jozef Drabek, Odd Kristiansen
  • O-methyl/ethyl-s-propyl/butyl-o-phenyl thiophosphates and dithiophosphates having an o-heterocyclic group or the phenyl ring
    Patent number: 3935233
    Abstract: Thiophosphoric and dithiophosphoric acid esters of the formula ##SPC1##Wherein R.sub.1 represents methyl or ethyl, R.sub.2 represents n-propyl, isobutyl or sec, butyl, R.sub.3 and R.sub.4 each represents chlorine, bromine, methyl or ethyl, R.sub.5 represents ##EQU1## AND X represents oxygen or sulphur, processes for their manufacture and their use in pest control.
    Type: Grant
    Filed: December 20, 1974
    Date of Patent: January 27, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Ernst Beriger, Manfred Boger, Jozef Drabek, Odd Kristiansen
  • O-ethyl-S-(n)propyl-S-diallylcarbmoylmethyldithiophosphate
    Patent number: 3933945
    Abstract: S-carbamoylalkyl-O-ethyl-S-(n)-propyldithiophosphoric esters having the formula ##EQU1## wherein R.sub.1 respresents hydrogen, methyl or allyl and R.sub.2 represents --CH.sub.2 OCH.sub.3, --C.sub.2 H.sub.4 OCH.sub.3, --C.sub.3 H.sub.6 OCH.sub.3, --CH.sub.2 CN, C.sub.2 H.sub.4 CH, --OCH.sub.3 or allyl a process for their manufacture and their use in pest control.
    Type: Grant
    Filed: August 9, 1974
    Date of Patent: January 20, 1976
    Assignee: Ciba-Geigy Corporation
    Inventor: Ernst Beriger