Patents by Inventor Ian R. Silverman

Ian R. Silverman 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: 7683070
    Abstract: It has now been found that certain novel N-(substituted aryl)-4-(disubstituted methyl)piperidine and pyridine derivatives have provided unexpected insecticidal activity. These compounds are represented by formula (I): wherein m, n, q, r, and s are independently selected from 0 or 1; and p is 0, 1, 2, or 3; A is C or CH; and B, D, E, R, R1, R2, R3, R4, R5, R6, R7 and R8 are fully described herein. In addition, compositions comprising an insecticidally effective amount of at least one compound of formula I, and optionally, an effective amount of at least one of a second compound, with at least one insecticidally compatible carrier are also disclosed; along with methods of controlling insects comprising applying said compositions to a locus where insects are present or are expected to be present.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: March 23, 2010
    Assignee: FMC Corporation
    Inventors: Ping Ding, Robert N. Henrie, II, Daniel H. Cohen, John W. Lyga, David S. Rosen, George Theodoridis, Qun Zhang, Walter H. Yeager, Stephen F. Donovan, Stephen Shunxiang Zhang, Inna Shulman, Seong Jae Yu, Guozhi Wang, Y. Larry Zhang, Ariamala Gopalsamy, Dennis L. Warkentin, Paul E. Rensner, Ian R. Silverman, Thomas G. Cullen
  • Patent number: 7365082
    Abstract: It has now been found that certain novel N-(substituted aryl)-4-(disubstituted methyl)piperidine and pyridine derivatives have provided unexpected insecticidal activity. These compounds are represented by formula (I): wherein m, n, q, r, and s are independently selected from 0 or 1; and p is 0, 1, 2, or 3; A is CH or N; and B, D, E, R, R1, R2, R3, R4, R5, R6, R7 and R8 are fully described herein. In addition, compositions comprising an insecticidally effective amount of at least one compound of formula I, and optionally, an effective amount of at least one of a second compound, with at least one insecticidally compatible carrier are also disclosed; along with methods of controlling insects comprising applying said compositions to a locus where insects are present or are expected to be present.
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: April 29, 2008
    Assignee: Bayer CropScience AG
    Inventors: Ping Ding, Robert N. Henrie, II, Daniel H. Cohen, John W. Lyga, David S. Rosen, George Theodoridis, Qun Zhang, Walter H. Yeager, Stephen F. Donovan, Steven Shunxiang Zhang, Inna Shulman, Seong Jae Yu, Guozhi Wang, Y. Larry Zhang, Ariamala Gopalsamy, Dennis L. Warkentin, Paul E. Rensner, Ian R. Silverman, Thomas G. Cullen
  • Patent number: 7300946
    Abstract: It has now been found that certain novel N-(substituted aryl)-4(disubstituted methyl)piperidine and pyridine derivatives have provided unexpected insecticidal activity. These compounds are represented by formula (I): wherein m, n, q, r, and s are independently selected from 0 or 1; and p is 0, 1, 2, or 3; A is C or CH; and B, D, E, R, R1, R2, R3, R4, R5, R6, R7 and R8 are fully described herein.
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: November 27, 2007
    Assignee: Bayer CropScience AG
    Inventors: Ping Ding, Robert N. Henrie, II, Daniel H. Cohen, John W. Lyga, David S. Rosen, George Theodoridis, Qun Zhang, Walter H. Yeager, Stephen F. Donovan, Steven Shunxiang Zhang, Inna Shulman, Seong Jae Yu, Guozhi Wang, Y. Larry Zhang, Ariamala Gopalsamy, Dennis L. Warkentin, Paul E. Rensner, Ian R. Silverman, Thomas G. Cullen
  • Patent number: 6214845
    Abstract: Compounds of the following structure, the corresponding N-oxides and agriculturally acceptable salts, are disclosed as effective insecticides: in which U is —(CH2)n—; Q is hydroxy; R is in which V, W, Y, and Z are each hydrogen; X is a five- or six-membered heterocycle; optionally substituted with halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkoxyalkyl, haloalkoxyalkyl, or aminocarbonyl; and the heterocycle is optionally connected to the phenyl ring through a —O—, —S—, —(CH2)p, —C(O)—, or —O—(CR3R4)q linkage; R1 and R2 are independently selected from phenyl or pyridyl substituted with haloalkyl or haloalkoxy; R3 and R4 are independently selected from hydrogen and methyl; n and p are independently 1, 2, or 3; and q is 1 or 2; with the proviso that at least one of R1 and R2 is substituted in the para position; no more than two of R3 and R4 are methyl; each aliphatic moiety contains not more t
    Type: Grant
    Filed: September 2, 1999
    Date of Patent: April 10, 2001
    Assignee: FMC Corporation
    Inventors: Ian R. Silverman, Daniel H. Cohen, John W. Lyga, Steven W. Szczepanski, Syed F. Ali, Thomas G. Cullen, Robert N. Henrie, II, Clinton J. Peake
  • Patent number: 6184234
    Abstract: Compounds of the following structure, the corresponding N-oxides and agriculturally acceptable salts thereof, are disclosed as effective insecticides: wherein U is —(CH2)n—; Q is hydroxy; and R is: and wherein V, W, Y, and Z are each hydrogen; X is a five- or six-membered heterocycle; optionally substituted with bromine, chlorine, fluorine, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkoxyalkyl, haloalkoxyalkyl, or aminocarbonyl; and the heterocycle is optionally connected to the phenyl ring through a —O—, —S—, —(CH2)p, —C(O)—, or —O—(CR3R4)q linkage; R1 and R2 are independently selected from phenyl or pyridyl substituted with pentahalothio, haloalkylthio, haloalkylsulfinyl, or haloalkylsulfonyl; phenyl substituted with —OC(M)2O—, where M is bromine, chorine or fluorine, to provide a dihalobenzodioxolyl fused ring; or pyridyl substituted with —OC(M)2O— to provide a dihalodioxol
    Type: Grant
    Filed: October 7, 1999
    Date of Patent: February 6, 2001
    Assignee: FMC Corporation
    Inventors: Ian R. Silverman, Daniel H. Cohen, John W. Lyga, Steven W. Szczepanski, Syed F. Ali, Thomas G. Cullen, Robert N. Henrie, II, Clinton J. Peake
  • Patent number: 6030987
    Abstract: Compounds of structure (I) ##STR1## the corresponding N-oxides and agriculturally acceptable salts are disclosed as effective insecticides. In said formula, U is --(CH.sub.2)n--; Q is hydroxy, R is formula (II) ##STR2## in which V, W, Y and Z are hydrogen; X is a five- or six-membered heterocycle optionally substituted; and the heterocycle is optionally connected to the phenyl ring through a --O--, --S-- --CH.sub.2)p--, or --O(CR.sup.3 R.sup.4)q linkage; R.sup.1 and R.sup.2 are independently selected from phenyl or pyridyl substituted with haloalkyl or haloalkoxy; R.sup.3, R.sup.4, n, p, and 1 are as defined in the specification.
    Type: Grant
    Filed: August 11, 1998
    Date of Patent: February 29, 2000
    Assignee: FMC Corporation
    Inventors: Ian R. Silverman, Daniel H. Cohen, John W. Lyga, Steven W. Szczepanski, Syed F. Ali, Thomas G. Cullen, Robert N. Henrie, II, Clinton J. Peake
  • Patent number: 6017931
    Abstract: Compositions containing compounds of the following structure, some of which are novel, and the corresponding N-oxides and agriculturally acceptable salts, are disclosed as effective insecticides: ##STR1## in which U is --(CH.sub.2).sub.n --;Q is hydroxy;R is ##STR2## in which V, W, and Z are each hydrogen; X is selected from alkoxy, haloalkoxy, alkoxyalkyl, cycloalkylalkoxy, halocycloalkylalkoxy, alkoxycarbonyl, haloalkoxycarbonyl, cycloalkylalkoxycarbonyl, halocycloalkylalkoxycarbonyl, alkoxyalkoxycarbonyl, alkoxycarbonylamino, haloalkoxycarbonylamino, cycloalkylalkoxycarbonylamino, halocycloalkylalkoxycarbonylamino, alkylaminocarbonyl, haloalkylaminocarbonyl, cyanoalkoxycarbonylamino, phenylcarbonylamino, and phenoxycarbonyl, each cycloalkyl moiety or phenyl ring optionally substituted with halogen; Y is selected from hydrogen and halogen; n is 1, 2, or 3; R.sup.1 and R.sup.
    Type: Grant
    Filed: August 30, 1996
    Date of Patent: January 25, 2000
    Assignee: FMC Corporation
    Inventors: Ian R. Silverman, Daniel H. Cohen, John W. Lyga, Steven W. Szczepanski, Syed F. Ali
  • Patent number: 5939438
    Abstract: It has now been found that certain novel oximino and hydrazono derivatives of N-benzyl-4-benzhydryl- and 4-benhydrolpiperidines, and their corresponding N-oxides and agriculturally acceptable salts are useful as insecticides. These compounds are represented by Formula I: where R is hydrogen, halogen, alkyl, alkoxy, dialkylamino; R.sup.1 is hydrogen, alkyl, haloalkyl, alkoxyalkyl, alkylcarbonyl and alkylaminocarbonyl; X is oxygen, or NR.sup.2, Q is fluoro and hydroxy; Z is halogen, haloalkyl, haloalkoxy, pentahalothio, haloalkylthio, haloalkylsulfinyl, haloalkylsulfonyl, and --OCF.sub.2 O-- attached to two adjacent carbon atoms of the phenyl ring; n is 0 or 1; and, when X is NR.sup.2, R.sup.2 is hydrogen, alkyl, alkylcarbonyl, alkoxycarbonyl, or R.sup.1 and R.sup.2 taken together may be --C.sub.m H.sub.2.spsb.m, or --C.sub.2 H.sub.4 OC.sub.2 H.sub.4 --, where m is 3-9. Preferred compounds include those where R is hydrogen; R.sup.
    Type: Grant
    Filed: September 9, 1998
    Date of Patent: August 17, 1999
    Assignee: FMC Corporation
    Inventors: Walter H. Yeager, Ian R. Silverman, Robert N. Henrie, II, Thomas G. Cullen, Clinton J. Peake
  • Patent number: 5639753
    Abstract: This invention relates to pteridine and 8-deazapteridine compounds and compositions containing the same which are useful for controlling insects in agricultural crops. These pteridines may be represented by the following structure: ##STR1## wherein R and R.sup.1 are independently selected from amino, lower alkylamino, di(lower alkyl)amino (e.g., --N(CH.sub.3).sub.2), or di(lower alkyl)aminomethyleneamino (e.g., --N.dbd.CHN(CH.sub.3).sub.2);R.sup.2 is hydrogen, amino, lower alkyl (e.g., --CH.sub.3, --CH(CH.sub.3).sub.2), di(lower alkyl)aminomethyleneamino, hydroxy, lower alkoxy, phenyl or substituted phenyl, haloalkylphenylalkyl (e.g., 3-trifluoromethylphenylmethyl);Q is N or CH;R.sup.3 is -(n).sub.m -R.sup.4, where m is 0 or 1; wherein, when m is 1,n is a bridging atom or moiety selected from oxygen, sulfur, sulfinyl, sulfonyl, lower alkylene (e.g., --CH.sub.2 --, or --CH.sub.2 CH.sub.2 --), lower alkenylene (e.g., --CH.dbd.CH--), lower alkynylene (e.g., --C.tbd.C--), lower haloalkenylene (e.g., --C(Cl).dbd.
    Type: Grant
    Filed: November 28, 1995
    Date of Patent: June 17, 1997
    Assignee: FMC Corporation
    Inventors: Robert N. Henrie, II, Clinton J. Peake, Thomas G. Cullen, Albert C. Lew, Ian R. Silverman
  • Patent number: 5639763
    Abstract: Compounds of the following structure, the corresponding N-oxides and agriculturally acceptable salts, are disclosed as effective insecticides: ##STR1## in which U is selected from --(CH.sub.2).sub.n -- and ethylidene; Q is selected from hydrogen, hydroxy, sulfhydryl, and fluorine; R is ##STR2## in which V is selected from hydrogen, halogen, alkyl, haloalkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsilyloxy, dialkylamino, cyano, nitro, hydroxy, and phenyl; Y and Z are independently selected from hydrogen and alkoxy; W and X taken together is --OCH.sub.2 CH.sub.2 O--, --CH.sub.2 C(CH.sub.3).sub.2 O--, --OC(CH.sub.3).sub.2 O--, or --N.dbd.C(C.sub.2 H.sub.5)O--; R.sup.1 and R.sup.2 are independently selected from phenyl substituted with halogen, alkyl, haloalkyl, haloalkoxy, alkoxyalkyl, hydroxy, arylthio, alkoxy, dialkylamino, dialkylaminosulfonyl, hydroxyalkylaminocarbonyl, alkylsulfonyloxy, and haloalkylsulfonyloxy; and n is 1, 2, or 3.
    Type: Grant
    Filed: February 16, 1995
    Date of Patent: June 17, 1997
    Assignee: FMC Corporation
    Inventors: Ian R. Silverman, Daniel H. Cohen, John W. Lyga, Steven W. Szczepanski, Syed F. Ali
  • Patent number: 5569664
    Abstract: Compounds of the following structure, the corresponding N-oxides and agriculturally acceptable salts, are disclosed as effective insecticides: ##STR1## in which U is selected from ##STR2## Q is selected from hydrogen, hydroxy, sulfhydryl, and fluorine; R is selected from a heterocycle having 5 or 6 ring atoms, optionally fused to a benzene ring, and ##STR3## wherein V, W, X, Y, Z are as defined in the specification.
    Type: Grant
    Filed: May 19, 1995
    Date of Patent: October 29, 1996
    Assignee: FMC Corporation
    Inventors: Ian R. Silverman, Daniel H. Cohen, John W. Lyga, Steven W. Szczepanski, Syed F. Ali
  • Patent number: 5534518
    Abstract: An insecticidal composition comprising, in admixture with an agriculturally acceptable carrier, an insecticidally effective amount of a 2,4-diaminoquinazoline compound of the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.6, R.sup.7, W, X, Y, and Z are as defined herein; methods of using the same; novel 2,4-diaminoquinazolines per se; and intermediates in the preparation thereof.
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: July 9, 1996
    Assignee: FMC Corporation
    Inventors: Robert N. Henrie, II, Clinton J. Peake, Thomas G. Cullen, Albert C. Lew, Munirathnam K. Chaguturu, Partha S. Ray, Walter H. Yeager, Ian R. Silverman, John W. Buser, James J. Fiordeliso, John A. Dixson
  • Patent number: 5532367
    Abstract: This invention relates to pteridine and 8-deazapteridine compounds which are useful for controlling insects in agricultural crops. These pteridines may be represented by the following structure: ##STR1## wherein R and R.sup.1 are amino;R.sup.2 is hydrogen or lower alkyl;Q is N or CH;R.sup.3 is --(n).sub.m --R.sup.4, andR.sup.4 is ##STR2## wherein n, m, V, W, X, Y, and Z are as defined in the specification.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: July 2, 1996
    Assignee: FMC Corporation
    Inventors: Robert N. Henrie, II, Clinton J. Peake, Thomas G. Cullen, Albert C. Lew, Ian R. Silverman
  • Patent number: 5521190
    Abstract: This invention relates to pteridine and 8-deazapteridine compounds and compositions containing the same which are useful for controlling insects in agricultural crops. These pteridines may be represented by the following structure: ##STR1## wherein R and R.sup.1 are independently selected from amino, lower alkylamino, di(lower alkyl)amino (e.g., --N(CH.sub.3).sub.2), or di(lower alkyl)aminomethyleneamino (e.g., --N.dbd.CHN(CH.sub.3).sub.2);R.sup.2 is hydrogen, amino, lower alkyl (e.g., --CH.sub.3, --CH(CH.sub.3).sub.2), di(lower alkyl)aminomethyleneamino, hydroxy, lower alkoxy, phenyl or substituted phenyl, haloalkylphenylalkyl (e.g., 3-trifluoromethylphenylmethyl);Q is N or CH;R.sup.3 is --(n).sub.m --R.sup.4, where m is 0 or 1; wherein, when m is 1,n is a bridging atom or moiety selected from oxygen, sulfur, sulfinyl, sulfonyl, lower alkylene (e.g., --CH.sub.2 --, or --CH.sub.2 CH.sub.2 --), lower alkenylene (e.g., --CH.dbd.CH--), lower alkynylene (e.g., --C.dbd.C--), lower haloalkenylene (e.g., --C(Cl).
    Type: Grant
    Filed: May 27, 1993
    Date of Patent: May 28, 1996
    Assignee: FMC Corporation
    Inventors: Robert N. Henrie, II, Clinton J. Peake, Thomas G. Cullen, Albert C. Lew, Ian R. Silverman
  • Patent number: H2007
    Abstract: Compounds of the following structure are disclosed as effective insecticides: in which: A and B are independently lower alkyl; U is lower alkylidene, lower alkenylidene, or CH—Z, where Z is hydrogen, lower alkyl, lower cycloalkyl, or phenyl; R is phenyl or a dibenzocyclo(C5-8)alkyl, each optionally substituted, or where R3 and R4 are independently selected from phenyl, optionally substituted with, halogen, lower alkyl, lower haloalkyl, lower alkoxy, lower haloalkoxy, lower alkenyl, or phenyl; R1 is selected from a variety of substituents, including 3-R2, where R2 is where D, E, and G are hydrogen, hydroxy, halogen, cyano, hydroxy, lower alkyl, lower haloalkyl, lower alkoxy, nitro, lower haloalkylsuffonyloxy, lower alkylcarboxylato, lower alkylcarbonylamino, lower alkylcarbonyl, lower alkoxycarbonyl, arylcarbonylamino; D and E taken together may form the group —O(CH2)O—; J is hydrogen or lower alkyl; m is 2 or 3, n is 1, 2, or 3; and halog
    Type: Grant
    Filed: January 9, 1997
    Date of Patent: December 4, 2001
    Assignee: FMC Corporation
    Inventors: Ian R. Silverman, Syed F. Ali, Daniel H. Cohen, John W. Lyga, Kirk A. Simmons, Thomas G. Cullen