Patents by Inventor Colin Swithenbank

Colin Swithenbank 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: 5866513
    Abstract: Disclosed are herbicidal aryl substituted cycloalkyl and aryl substituted cycloalkenyl compounds, herbicidal compositions, and herbicidal use of the compounds and compositions. The aryl substituent is selected from substituted phenyl, unsubstituted or substituted five-membered heterocycle, and unsubstituted or substituted six-membered heterocycle.
    Type: Grant
    Filed: February 25, 1997
    Date of Patent: February 2, 1999
    Assignee: Rohm and Haas Company
    Inventors: Enrique Luis Michelotti, Renee Caroline Roemmele, Colin Swithenbank, Colin Michael Tice, David Hamilton Young
  • Patent number: 5629346
    Abstract: Certain N-acetonylbenzamides exhibit low toxicity to plants are particularly useful for control of fungi, especially Phycomycetes.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: May 13, 1997
    Assignee: Rohm and Haas Company
    Inventors: H. Edwin Carley, Ashok K. Sharma, Colin Swithenbank
  • Patent number: 5290756
    Abstract: Compounds of the formula: ##STR1## wherein X is hydrogen, halo, trihalomethyl, alkyl, nitroor cyano; X.sup.1 is hydrogen, halo, or trihalomethyl; R.sup.1 and R.sup.2 are hydrogen, alkyl phenyl or benzyl; n is 1 to 5, and Z is halo, cyano, nitro, trihalomethyl, methylthio, methylsulfinyl, methylsulfonyl, acetyl, phenyl, or heterocycle, and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: June 8, 1982
    Date of Patent: March 1, 1994
    Assignee: Rohm and Haas Company
    Inventors: Colin Swithenbank, Ted Fujimoto
  • Patent number: 4975459
    Abstract: Process comprising the use as a microbicide or plant growth regulator of a compound of the formula ##STR1## wherein A, B, C and D is each independently selected from the group consisting of O,NR.sup.1, CR.sup.1 R.sup.1, CO, S,SO, and SO.sub.2, except for the A-C, C-A, B-D,D-B combinations: O--O, SO--SO, SO.sub.2 --SO.sub.2, S--O, S--NR.sup.2, SONR.sup.2, SO--CO, SO.sub.2 --CO, SO.sub.2 --SO;each group of the groups R.sup.1 is independently selected from the group consisting of H and (C.sub.1 -C.sub.4)alkyl;Y.sup.1 and Y.sup.2 may each be independently selected from the group consisting of H, (C.sub.1 -C.sub.4)alkyl, halogen, OR,SOR,SO.sub.2 R, SO.sub.3 R, CN, CO.sub.2 R, COR, CF.sub.3, NO.sub.2, NHCOR, and OCOR; or alternatively Y.sup.1 and Y.sup.2 and the carbons to which they are attached may comprise a cyclic structure selected from the group consisting of ##STR2## where R.sup.11 is aryl or (C.sub.1 -C.sub.4)alkylX.sup.1 to X.sup.8 is each independently selected from the group consisting of H, (C.sub.1 -C.
    Type: Grant
    Filed: December 13, 1989
    Date of Patent: December 4, 1990
    Assignee: Rohm and Haas Company
    Inventors: Raj J. Mehta, Colin Swithenbank, Zev Lidert, Margaret M. Bowers-Daines, David H. Young, Barry C. Lange
  • Patent number: 4913729
    Abstract: The herbicidal 4-trifluoromethyl-3'-substituted amino-4'-nitro diphenyl ethers comprise a class of compounds that are highly effective herbicides.
    Type: Grant
    Filed: June 3, 1987
    Date of Patent: April 3, 1990
    Assignee: Rohm and Haas Company
    Inventor: Colin Swithenbank
  • Patent number: 4877897
    Abstract: Compounds of the formula: ##STR1## wherein X is hydrogen, halo, trihalomethyl, alkyl, nitro or cyano; X.sup.1 is hydrogen, halo, or trihalomethyl; R.sup.1 and R.sup.2 are hydrogen, alkyl, phenyl or benzyl; n is 1 to 5, and Z is nitro, and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: November 10, 1982
    Date of Patent: October 31, 1989
    Assignee: Rohm and Haas Company
    Inventors: Colin Swithenbank, Ted. T. Fujimoto
  • Patent number: 4863507
    Abstract: Compounds of the formula: ##STR1## wherein X is hydrogen, halo, trihalomethyl, alkyl, or cyano; Y is hydrogen or halo; and Z is a hydroxy substituted alkyl group and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: September 5, 1989
    Assignee: Rohm and Haas Company
    Inventors: Colin Swithenbank, Horst O. Bayer
  • Patent number: 4795825
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a substituted alkoxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: December 2, 1983
    Date of Patent: January 3, 1989
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank
  • Patent number: 4772744
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a substituted alkoxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: September 20, 1988
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Patent number: 4743703
    Abstract: The 4-fluoroalkyl-4'-nitrodiphenyl ethers comprise a class of compounds that are highly effective herbicides.
    Type: Grant
    Filed: September 19, 1983
    Date of Patent: May 10, 1988
    Assignee: Rohm and Haas Company
    Inventor: Colin Swithenbank
  • Patent number: 4662935
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a substituted alkoxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: May 5, 1987
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Patent number: 4613360
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a substituted alkoxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: September 23, 1986
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Patent number: 4594100
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a hydroxy group, an alkoxy group, an alkyl group, a halogen atom, an amino group, an alkylthio group, a cyano group, a carboxy group, a carbalkoxy group, a carboxyalkyl group, a carbalkoxyalkyl group, an alkanoyloxy group, or a carbamoyloxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: June 10, 1986
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Patent number: 4515988
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a hydroxy group, an alkoxy group, an alkyl group, a halogen atom, an amino group, an alkylthio group, a cyano group, a carboxy group, a carbalkoxy group, a carboxyalkyl group, a carbalkoxyalkyl group, an alkanoyloxy group, or a carbamoyloxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: May 7, 1985
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Patent number: 4445930
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a hydroxy group, an alkoxy group, and alkyl group, a halogen atom, an amino group, an alkylthio group, a cyano group, a carboxy group, a carbalkoxy group, a carboxyalkyl group, an carbalkoxyalkyl group, an alkanoyloxy group, or a carbamoyloxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: May 1, 1984
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Patent number: 4439229
    Abstract: Compounds of the formula: ##STR1## wherein A is O or S, halo is chloro, bromo or fluoro; X' is --CH.sub.2 --, O or S; X is hydrogen or halo; R.sup.1 and R.sup.2 are the same or different radicals selected from hydrogen or lower alkyl; and Z can be a variety of substituents and agronomically acceptable salts, esters and amides as well as other heterocyclic benzenes are disclosed as selective herbicides.
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: March 27, 1984
    Assignee: Rohm and Haas Company
    Inventor: Colin Swithenbank
  • Patent number: 4422868
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group or an alkyl group.Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a cyano group or a (C.sub.1 -C.sub.4) alkylthio group and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: December 27, 1983
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Patent number: 4419123
    Abstract: The herbicidal-4-trifluoromethyl-3'-carbon-substituted-4'-substituted diphenyl ethers comprise a class of compounds that are highly effective herbicides.
    Type: Grant
    Filed: October 19, 1981
    Date of Patent: December 6, 1983
    Assignee: Rohm and Haas Company
    Inventor: Colin Swithenbank
  • Patent number: RE31455
    Abstract: Salts of compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group, andY is a hydrogen atom, a halogen atom, or a trihalomethyl group,and compositions containing these salts exhibit herbicidal activity.
    Type: Grant
    Filed: September 1, 1978
    Date of Patent: December 6, 1983
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Patent number: RE31731
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, or a trihalomethyl group, andZ is an alkoxy group, an alkoxyalkoxy group, a hydroxyalkoxy group, an alkyl group, a halogen atom, an alkylamino group, a dialkylamino group, an alkylthio group, a carboxy group, a carbalkoxy group, a carboxyalkoxy group, a carbalkoxyalkoxy group, a carboxyalkyl group, a carbalkoxyalkyl group, a dialkylureido group, an alkanoylamino group, or carbalkoxyamino group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 1, 1978
    Date of Patent: November 13, 1984
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih