Patents by Inventor Gerhard Boroschewski
Gerhard Boroschewski 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: 4601746Abstract: New substituted sulfonyl urea are disclosed of the general formula ##STR1## in which R.sub.1 is chlorine, --COOR.sub.5, --S(O).sub.n --R.sub.6 or ##STR2## R.sub.2 is ##STR3## or --CH.sub.2 --C.tbd.C--R.sub.11, R.sub.3 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkylthio, halogen, halogen-C.sub.1 -C.sub.4 -alkyl, halogen-C.sub.1 -C.sub.4 -alkoxy, Di-C.sub.1 -C.sub.3 -alkyl-amino, C.sub.1 -C.sub.3 -alkyl-amino or C.sub.1 -C.sub.3 -alkoxy-C.sub.1 -C.sub.3 -alkoxy,R.sub.4 is hydrogen C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, halogen, halogen-C.sub.1 -C.sub.4 -alkyl, halogen-C.sub.1 -C.sub.4 -alkoxy, Di-C.sub.1 -C.sub.3 -alkyl-amino, C.sub.1 -C.sub.3 -alkyl-amino, or C.sub.1 -C.sub.3 -alkoxy-C.sub.1 -C.sub.3 -alkoxy,Z is --CH.dbd. or --N.dbd.,R.sub.5 is C.sub.1 -C.sub.8 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.1 -C.sub.3 -alkoxy-C.sub.1 -C.sub.3 -alkyl, phenyl, substituted phenyl, benzene or substituted benzene,R.sub.6 is C.sub.1 -C.sub.6 -alkyl or phenyl,R.Type: GrantFiled: June 18, 1984Date of Patent: July 22, 1986Assignee: Schering AktiengesellschaftInventors: Jurgen Westermann, Gerhard Boroschewski, Ulrich Eder, Friedrich Arndt, Hansjorg Krahmer, Clemens Kotter
-
Patent number: 4537622Abstract: Diurethanes of the general formula ##STR1## are disclosed, in which R.sub.1 is alkyl, alkenyl or haloalkyl, and R.sub.2 is phenyl or cyclohexyl or substituted phenyl or cyclohexyl. These compounds show exceptional selective herbicidal activity in particular in tomato cultures, and are most effective in post-emergence treatment.Type: GrantFiled: June 6, 1980Date of Patent: August 27, 1985Assignee: Schering AktiengesellschaftInventors: Gerhard Boroschewski, Friedrich Arndt
-
Patent number: 4453973Abstract: Novel carbaminic acid phenyl esters of the general formula ##STR1## are described, in which R.sub.1 is C.sub.1 -C.sub.2 -alkoxy-C.sub.1 -C.sub.2 -alkyl, di-C.sub.1 -C.sub.2 -alkoxy-C.sub.1 -C.sub.2 -alkyl, cyano-C.sub.1 -C.sub.2 -alkyl, halogen-C.sub.1 -C.sub.2 -alkyl, phenyl-C.sub.1 -C.sub.2 -alkyl, 1,3-dioxolan-2-yl-methyl, 2-methyl-1,3-dioxolan-4-yl-methyl, 2,2-dimethyl-1,3-dioxolan-4-yl-methyl or aminocarbonylmethyl;R.sub.2 is phenyl optionally mono- or disubstituted by one or more substituents selected from the group consisting of halogen, methyl and methoxy; andR.sub.3 is C.sub.1 -C.sub.8 alkyl, C.sub.2 -C.sub.8 alkenyl, cyclopropyl or trichloromethyl, or R.sub.1 is methyl or ethyl, R.sub.2 is .alpha.-cyanobenzyl or 1-cyano-2-phenylethyl and R.sub.3 is ethyl.Type: GrantFiled: January 4, 1982Date of Patent: June 12, 1984Assignee: Schering AktiengesellschaftInventors: Gerhard Boroschewski, Ludwig Nusslein, Friedrich Arndt
-
Patent number: 4453966Abstract: Novel carbaminic acid phenyl esters of the general formula ##STR1## are described, in which R.sub.1 is C.sub.1 -C.sub.2 -alkoxy-C.sub.1 -C.sub.2 -alkyl, di-C.sub.1 -C.sub.2 -alkoxy-C.sub.1 -C.sub.2 -alkyl, cyano-C.sub.1 -C.sub.2 -alkyl, halogen-C.sub.1 -C.sub.2 -alkyl, phenyl-C.sub.1 -C.sub.2 -alkyl, 1,3-dioxolan-2-yl-methyl, 2-methyl-1,3-dioxolan-4-yl-methyl, 2,2-dimethyl-1,3-dioxolan-4-yl-methyl or aminocarbonylmethyl;R.sub.2 is phenyl optionally mono- or disubstituted by one or more substituents selected from the group consisting of halogen, methyl and methoxy; andR.sub.3 is C.sub.1 -C.sub.8 alkyl, C.sub.2 -C.sub.8 alkenyl, cyclopropyl or trichloromethyl, or R.sub.1 is methyl or ethyl, R.sub.2 is .alpha.-cyanobenzyl or 1-cyano-2-phenylethyl and R.sub.3 is ethyl.Type: GrantFiled: January 4, 1982Date of Patent: June 12, 1984Assignee: Schering AktiengesellschaftInventors: Gerhard Boroschewski, Ludwig Nusslein, Friedrich Arndt
-
Patent number: 4441915Abstract: A composition containing at least one compound of the formula ##STR1## in which R is alkyl, alkenyl, alkinyl, halogenoalkyl or alkoxyalkyl,R.sub.1 is alkoxyalkyl or dialkoxyalkyl,R.sub.2 is alkyl or alkoxy, andx is oxygen or sulfur andn is 0, 1, 2 or 3.The compounds have a strong herbicidal effect against various weeds together with a broad selectivity in regard to agricultural plants, particularly potatoes, cotton, peanuts, carrots and rice.Type: GrantFiled: July 15, 1981Date of Patent: April 10, 1984Assignee: Schering AktiengesellschaftInventors: Friedrich Arndt, Gerhard Boroschewski
-
Patent number: 4426222Abstract: Novel carbaminic acid phenyl esters of the general formula ##STR1## are described, in which R.sub.1 is C.sub.1 -C.sub.2 -alkoxy-C.sub.1 -C.sub.2 -alkyl, di-C.sub.1 -C.sub.2 -alkoxy-C.sub.1 -C.sub.2 -alkyl, cyano-C.sub.1 -C.sub.2 -alkyl, halogen-C.sub.1 -C.sub.2 -alkyl, phenyl-C.sub.1 -C.sub.2 -alkyl, 1,3-dioxolan-2-yl-methyl, 2-methyl-1,3-dioxolan-4-yl-methyl, 2,2-dimethyl-1,3-dioxolan-4-yl-methyl or aminocarbonylmethyl;R.sub.2 is phenyl optionally mono- or disubstituted by one or more substituents selected from the group consisting of halogen, methyl and methoxy; andR.sub.3 is C.sub.1 -C.sub.8 alkyl, C.sub.2 -C.sub.8 alkenyl, cyclopropyl or trichloromethyl, or R.sub.1 is methyl or ethyl, R.sub.2 is .alpha.-cyanobenzyl or 1-cyano-2-phenylethyl and R.sub.3 is ethyl.Type: GrantFiled: January 4, 1982Date of Patent: January 17, 1984Assignee: Schering AktiengesellschaftInventors: Gerhard Boroschewski, Ludwig Nusslein, Friedrich Arndt
-
Patent number: 4344790Abstract: Novel carbaminic acid phenyl esters of the general formula ##STR1## are described, in which R.sub.1 is C.sub.1 -C.sub.2 -alkoxy-C.sub.1 -C.sub.2 -alkyl, di-C.sub.1 -C.sub.2 -alkoxy-C.sub.1 -C.sub.2 -alkyl, cyano-C.sub.1 -C.sub.2 -alkyl, halogen-C.sub.1 -C.sub.2 -alkyl, phenyl-C.sub.1 -C.sub.2 -alkyl, 1,3-dioxolan-2-yl-methyl, 2-methyl-1,3-dioxolan-4-yl-methyl, 2,2-dimethyl-1,3-dioxolan-4-yl-methyl or aminocarbonylmethyl;R.sub.2 is phenyl optionally mono- or disubstituted by one or more substituents selected from the group consisting of halogen, methyl and methoxy; andR.sub.3 is C.sub.1 -C.sub.8 alkyl, C.sub.2 -C.sub.8 alkenyl, cyclopropyl or trichloromethyl, or R.sub.1 is methyl or ethyl, R.sub.2 is .alpha.-cyanobenzyl or 1-cyano-2-phenylethyl and R.sub.3 is ethyl.Type: GrantFiled: October 23, 1979Date of Patent: August 17, 1982Assignee: Schering AGInventors: Gerhard Boroschewski, Ludwig Nusslein, Friedrich Arndt
-
Patent number: 4317674Abstract: Diurethanes of the formula ##STR1## wherein R.sub.1 is alkyl, alkenyl or halogenoalkyl andR.sub.2 is phenyl or phenyl substituted in one or more places by the same or different substituents selected from the group consisting of halogen, trifluoromethyl, alkyl and alkoxy.Type: GrantFiled: May 24, 1979Date of Patent: March 2, 1982Assignee: Schering AGInventors: Gerhard Boroschewski, Friedrich Arndt
-
Patent number: 4315769Abstract: Diurethanes of the formula ##STR1## selectively damage or destroy weeds in crops of carrots, cotton, peanuts, and rice without damaging the crop plants when R.sub.1 is methyl or ethyl; R.sub.2 is propyl, butyl, isobutyl, or benzyl; R.sub.3 is hydrogen, methyl, ethyl, methoxy, or methylmercapto; and X is oxygen or sulfur.Type: GrantFiled: November 21, 1979Date of Patent: February 16, 1982Assignee: Schering AGInventors: Gerhard Boroschewski, Friedrich Arndt
-
Patent number: 4257803Abstract: Novel diurethanes of the general formula ##STR1## are described, in which R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.2 -C.sub.4 alkenyl, R.sub.2 is phenyl, methylphenyl, methoxyphenyl, chlorophenyl, dichlorophenyl, cyclohexyl, benzyl or phenylethyl, R.sub.3 is C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl, C.sub.2 -C.sub.4 alkinyl, chloro-C.sub.1 -C.sub.4 alkyl, chloro-C.sub.2 14 C.sub.4 alkenyl, or chloro-C.sub.2 -C.sub.4 alkinyl and X is oxygen or sulfur. Compositions containing at least one of the compounds of the general formula exhibit exceptional selective herbicidal properties.Type: GrantFiled: October 3, 1979Date of Patent: March 24, 1981Assignee: Schering AktiengesellschaftInventors: Friedrich Arndt, Gerhard Boroschewski
-
Patent number: 4252557Abstract: New m-diurethanes having selective herbicidal action are provided, including their preparation.Type: GrantFiled: June 11, 1979Date of Patent: February 24, 1981Assignee: Schering AktiengesellschaftInventors: Gerhard Boroschewski, Friedrich Arndt
-
Patent number: 4229208Abstract: Diurethanes of the general formula ##STR1## wherein R.sub.1 is allyl or a C.sub.1 to C.sub.4 alkyl radical possibly substituted by halogen;R.sub.2 is a C.sub.1 to C.sub.4 alkyl radical possibly substituted by halogen, a C.sub.3 to C.sub.4 alkenyl or alkinyl radical, cyclohexyl, phenyl, C.sub.1 to C.sub.3 alkylphenyl, C.sub.1 to C.sub.3 alkoxyphenyl, halogen phenyl, benzyl or phenylethyl;R.sub.3 is a C.sub.3 or C.sub.4 hydrocarbon radical possibly substituted by halogen, or halogen ethyl; orR.sub.1 is ethyl or allyl, R.sub.2 is phenyl, C.sub.1 to C.sub.3 alkylphenyl, C.sub.1 to C.sub.3 alkoxyphenyl or halogen phenyl, and R.sub.3 is methyl or ethyl;are provided as herbicidal agents notably in cotton cultivation in the pre-emergent and emergent stages of development of such cotton; including other cultivations such as for cereal, corn and soybean.Type: GrantFiled: March 11, 1975Date of Patent: October 21, 1980Assignee: Schering AGInventors: Gerhard Boroschewski, Friedrich Arndt
-
Patent number: 4202684Abstract: Carbanilic acid esters of the formula ##STR1## in which R.sub.1 is chloro- or bromoalkyl,R.sub.2 is phenyl, methylphenyl, halogenophenyl, trifluoromethylphenyl or methoxyphenyl,R.sub.3 is alkyl, alkenyl or alkinyl, and in whichX is oxygen or sulfur.The compounds have a high activity against various weeds with good compatibility with many agricultural plants, particularly potatoes.The invention also embraces a process for making the aforementioned compounds as well as herbicidal compositions in which the compounds are the active or one of the active agents.Type: GrantFiled: August 24, 1978Date of Patent: May 13, 1980Assignee: Schering AktiengesellschaftInventors: Friedrich Arndt, Gerhard Boroschewski
-
Patent number: 4164414Abstract: N-methylcarbanilic-[3-(ethoxycarbonylamino)-phenyl]-ester. The compound is a specific cotton herbicide. It is highly active against common weeds without causing harm to the cotton plants at any state of their development.Type: GrantFiled: February 22, 1977Date of Patent: August 14, 1979Assignee: Schering AktiengesellschaftInventors: Friedrich Arndt, Gerhard Boroschewski
-
Patent number: 4153447Abstract: New herbicidal 4-Methylphenyl-bis-Carbamates, and their method of preparation are provided.Type: GrantFiled: October 29, 1974Date of Patent: May 8, 1979Assignee: Schering AktiengesellschaftInventors: Gerhard Boroschewski, Friedrich Arndt
-
Patent number: 4128413Abstract: Carbanilic acid ester of the formula ##STR1## in which R.sub.1 is an aliphatic hydrocarbon residue which may also be substituted,R.sub.2 is a cyanoalkyl residue,R.sub.3 is an aromatic hydrocarbon residue which may also be substituted andY is oxygen or sulfur.The compounds are herbicidal agents with a broad spectrum of activity and of particular compatibility regarding cotton and other plantation cultures.Type: GrantFiled: June 24, 1977Date of Patent: December 5, 1978Assignee: Schering AktiengesellschaftInventors: Friedrich Arndt, Gerhard Boroschewski
-
Patent number: 4077798Abstract: Substituted phenyl thiocarbamates and the method of producing them, are provided for selective weed control in cultivated grasses.Type: GrantFiled: March 4, 1974Date of Patent: March 7, 1978Assignee: Schering AktiengesellschaftInventors: Friedrich Arndt, Gerhard Boroschewski
-
Patent number: 4076518Abstract: Substituted phenyl thiocarbamates either per se or herbicides contain them and methods for their production are provided herein. Such compounds are available for destroying or inhibiting undesirable plant growth in cabbages.Type: GrantFiled: April 2, 1976Date of Patent: February 28, 1978Assignee: Schering AktiengesellschaftInventors: Gerhard Boroschewski, Friedrich Arndt
-
Patent number: 4065293Abstract: Alkyl N-3-carbamoyloxyphenyl-carbamates of the formula ##STR1## selectively damage or destroy weeds in crops of carrots, cotton, peanuts, and rice without damaging the crop plants when R.sub.1 is lower alkyl, allyl, or halo-lower-alkyl; R.sub.2 is lower alkyl, allyl, halo-lower alkyl, lower alkinyl, cyclohexyl, benzyl, or phenylethyl; R.sub.3 is methyl and ethyl; and X is oxygen or sulfur. Lower alkyl and lower alkinyl in the formula have up to four carbon atoms.Type: GrantFiled: November 4, 1976Date of Patent: December 27, 1977Assignee: Schering AktiengesellschaftInventors: Gerhard Boroschewski, Friedrich Arndt