Patents by Inventor Francis H. Walker

Francis H. Walker 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).

  • N-(1,1-dimethyl-2-propynyl)-alpha-(substituted phenoxy) alkylamides and their use as miticides
    Patent number: 4117166
    Abstract: Miticidally active compounds defined by the generic formula ##STR1## wherein R is either methyl or ethyl, X is either chlorine or fluorine, and Y and Z are either methyl or hydrogen, are described herein.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: September 26, 1978
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker
  • N-alkyl-alpha-(substituted phenoxy) alkylamides and their use as herbicides
    Patent number: 4116677
    Abstract: Compounds defined by the generic formula ##STR1## wherein R is selected from the group consisting of trifluoromethyl, dimethyl, chloro, and dichloro,R.sup.1 is methyl or ethyl, andR.sup.2 is methyl or ethyl, exhibit herbicidal activity.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: September 26, 1978
    Assignee: Stauffer Chemical Company
    Inventors: Francis H. Walker, Don R. Baker
  • N-(1,1-substituted acetonitrilo)-.alpha.-(3,5-substituted phenoxy) alkyl amides and their use as herbicides
    Patent number: 4087277
    Abstract: N-(1,1 substituted acetonitrilo)-.alpha.-(3,5-substituted phenoxy) alkyl amides compounds having the formula ##STR1## in which R.sup.1 and R.sup.2 are independently halogen or alkyl having 1 to 4 carbon atoms; R.sup.3 is alkyl having 1 to 4 carbon atoms; R.sup.4 and R.sup.5 are independently hydrogen or alkyl having 1 to 3 carbon atoms; and their use as herbicides.
    Type: Grant
    Filed: June 23, 1977
    Date of Patent: May 2, 1978
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker
  • N-dimethylpropynyl-.alpha.-methoxy-.alpha. -(3,5-dimethylphenoxy)acetamide and its use as herbicides
    Patent number: 4083867
    Abstract: N-dimethylpropynyl-.alpha.-methoxy-.alpha.-(3,5-dimethylphenoxy)acetamide having the formula ##STR1## and its use as herbicides.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: April 11, 1978
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker
  • N-benzyl-2-(3,5-dimethyl phenoxy)-2-alkoxy amides and their use as herbicides
    Patent number: 4082799
    Abstract: N-benzyl-2-(3,5-dimethyl phenoxy)-2-alkoxy amide compounds having the formula ##STR1## in which R is hydrogen or alkyl and R.sub.1 is alkyl; and their use as herbicides.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: April 4, 1978
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker
  • N-t-butyl-2-(3,5-dichloro or dimethyl phenoxy)-2-alkoxy amides and their use as herbicides
    Patent number: 4082800
    Abstract: N-t-butyl-2-(3,5-dichloro or dimethyl phenoxy)-2-alkoxy amide compounds having the formula ##STR1## in which R is halogen or alkyl and R.sup.1 is alkyl; and their use as herbicides.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: April 4, 1978
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker
  • N-substituted-N-(1-substituted-1-methyl-2-propynyl)-.alpha.-(substituted phenoxy) alkylamides and their use as miticides
    Patent number: 4070486
    Abstract: Miticidally active compounds, defined by the generic formula ##STR1## wherein R.sup.1 is either methyl or ethyl; R.sup.2 and R.sup.3 are independently either hydrogen or methyl, and n is 1 or 2, are described herein.
    Type: Grant
    Filed: August 25, 1976
    Date of Patent: January 24, 1978
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker
  • Substituted-N-(1,1-disubstituted ethyl)-.alpha.-(substituted phenoxy)-.alpha.-alkoxyacetamides and their use as miticides
    Patent number: 4062977
    Abstract: Miticidally active compounds are described herein, which are defined by the following generic formula ##STR1## wherein X is selected from the group consisting of chlorine, fluorine, and trifluoromethyl; Y and Z are independently selected from the group consisting of hydrogen, chlorine, and methyl; R.sup.1 is either methyl or ethyl; R.sup.2 and R.sup.3 are independently selected from the group consisting of hydrogen and methyl; and R.sup.4 is either methyl or --C.tbd.CH.
    Type: Grant
    Filed: July 15, 1976
    Date of Patent: December 13, 1977
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker
  • Bis-substituted succinamides and their utility as herbicides
    Patent number: 4056524
    Abstract: Bis-substituted succinamides having the formula ##STR1## in which X is chlorine or bromine; R.sub.1 and R.sub.3 are each hydrogen, alkyl, haloalkyl, alkenyl, alkynyl, or benzyl; R.sub.2 and R.sub.4 are each hydrogen, alkyl, alkenyl, haloalkenyl, alkoxyalkyl, alkynyl, cycloalkyl, cyclopropylmethyl, furfuryl, and tetrahydrofurfuryl; R.sub.1 and R.sub.2 taken together along with the nitrogen form a non-aromatic heterocyclic ring; R.sub.3 and R.sub.4 taken together along with the nitrogen form a non-aromatic heterocyclic ring; provided that when R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each alkyl, then one of R.sub.1 or R.sub.2 and one of R.sub.3 or R.sub.4 is other than methyl; further provided that only one of R.sub.1 or R.sub.2 is hydrogen and only one of R.sub.3 or R.sub.4 is hydrogen. Compounds of this invention are useful as herbicides and includes those compounds in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each methyl.
    Type: Grant
    Filed: February 3, 1975
    Date of Patent: November 1, 1977
    Assignee: Stauffer Chemical Company
    Inventor: Francis H. Walker
  • Insect repellant compounds
    Patent number: 4054576
    Abstract: This application is directed to novel compounds useful as insect repellents. The compounds of this invention have the following generic formula: ##STR1## wherein R is selected from the group consisting of hydrogen, alkyl, alkoxyalkyl, alkenyl, and cyanoalkyl; R.sub.1 is selected from the group consisting of alkyl, alkenyl, haloalkenyl, cycloalkenyl, alkoxyalkyl, and furfuryl; R and R.sub.1 taken together can form a ring structure selected from alkylene, alkyl substituted alkylene, alkenylene and alkyl substituted alkenylene.
    Type: Grant
    Filed: December 12, 1975
    Date of Patent: October 18, 1977
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker, Peter E. Letchworth
  • N-(1,1 Substituted acetonitrilo)-.alpha.-(3,5-substituted phenoxy) alkyl amides
    Patent number: 4052432
    Abstract: N-(1,1 substituted acetonitrilo)-.alpha.-(3,5-substituted phenoxy) alkyl amides compounds having the formula ##STR1## in which R.sup.1 and R.sup.2 are independently halogen or alkyl having 1 to 4 carbon atoms; R.sup.3 is alkyl having 1 to 4 carbon atoms; R.sup.4 and R.sup.5 are independently hydrogen or alkyl having 1 to 3 carbon atoms; and their use as herbicides.
    Type: Grant
    Filed: May 20, 1976
    Date of Patent: October 4, 1977
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker
  • N-(1,1 substituted propynyl)-.alpha.(3,5-substituted phenoxy) alkyl amides and their use as herbicides
    Patent number: 4051184
    Abstract: N-(1,1 substituted propynyl)-.alpha.(3,5-substituted phenoxy) alkyl amides compounds having the formula ##STR1## in which R.sup.1 and R.sup.2 are independently halogen or alkyl having 1 to 4 carbon atoms; R.sup.3 is alkyl having 1 to 4 carbon atoms; R.sup.4 and R.sup.5 are independently hydrogen or alkyl having 1 to 3 carbon atoms; and their use as herbicides.
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: September 27, 1977
    Assignee: Stauffer Chemical Company
    Inventors: Duane R. Arneklev, Don R. Baker, Francis H. Walker
  • N-benzyl-2-(3,5-dimethyl phenoxy)-2-alkoxy amide herbicides
    Patent number: 4050923
    Abstract: N-benzyl-2-(3,5-dimethyl phenoxy)-2-alkoxy amide compounds having the formula ##STR1## in which R is hydrogen or alkyl and R.sub.1 is alkyl; and their use as herbicides.
    Type: Grant
    Filed: June 30, 1975
    Date of Patent: September 27, 1977
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker
  • N-dimethylpropynyl-.alpha.-methoxy-.alpha.-(3,5-dimethylph enoxy)acetamide herbicide
    Patent number: 4049423
    Abstract: N-dimethylpropynyl-.alpha.-methoxy-.alpha.-(3,5-dimethylphenoxy)acetamide having the formula ##STR1## and its use as herbicides.
    Type: Grant
    Filed: June 30, 1975
    Date of Patent: September 20, 1977
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker
  • N-t-butyl-2-(3,5-dichloro or dimethyl phenoxy)-2-alkoxy amide herbicides
    Patent number: 4049424
    Abstract: N-t-butyl-2-(3,5-dichloro or dimethyl phenoxy)-2-alkoxy amide compounds having the formula ##STR1## in which R is halogen or alkyl and R.sup.1 is alkyl; and their use as herbicides.
    Type: Grant
    Filed: June 30, 1975
    Date of Patent: September 20, 1977
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker
  • Insect repellent dimethylbenzamides
    Patent number: 4028411
    Abstract: This application is directed to novel compounds useful as insect repellents. The compounds of this invention have the following generic formula: ##STR1## wherein R is selected from the group consisting of hydrogen, alkyl, alkoxyalkyl, alkenyl, and cyanoalkyl; R.sub.1 is selected from the group consisting of alkyl, alkenyl, haloalkenyl, cycloalkenyl, alkoxyalkyl, and furfuryl; R and R.sub.1 taken together can form a ring structure selected from alkylene, alkyl substituted alkylene, alkenylene and alkyl substituted alkenylene.
    Type: Grant
    Filed: December 24, 1974
    Date of Patent: June 7, 1977
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker, Peter E. Letchworth
  • N-dimethylacetonitrile-.alpha.-(substituted phenoxy) alkylamides and their use as miticides
    Patent number: 4001427
    Abstract: Miticidally active compounds, defined by the generic formula ##STR1## wherein R is either methyl or ethyl, X is either chlorine or trifluoromethyl, and n is either 1 or 3, are described herein.
    Type: Grant
    Filed: June 30, 1975
    Date of Patent: January 4, 1977
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker
  • N-t-Butyl-.alpha.-trichlorophenoxybutyramides and their use as mitricides
    Patent number: 4001430
    Abstract: Miticidally active compounds having the generic formula ##STR1## are described herein.
    Type: Grant
    Filed: June 30, 1975
    Date of Patent: January 4, 1977
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker
  • N-substituted-N-(1-substituted-1-methyl-2-propynyl)-.alpha.-(substituted phenoxy) alkylamides and their use as miticides
    Patent number: 3971850
    Abstract: Miticidally active compounds are described herein, which are defined by the generic formula ##SPC1##Wherein X is either fluorine or trifluoromethyl; Y is either hydrogen or chlorine; R.sup.1 is either methyl or ethyl; and where X is fluorine, R.sup.2 is hydrogen and R.sup.3 is methyl; and where X is trifluoromethyl, R.sup.2 and R.sup.3 are independently either hydrogen or methyl.
    Type: Grant
    Filed: June 30, 1975
    Date of Patent: July 27, 1976
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker
  • Insect repellent compounds
    Patent number: 3966806
    Abstract: This application is directed to novel compounds useful as insect repellents. The compounds of this invention have the following generic formula: ##SPC1##Wherein R is selected from the group consisting of hydrogen, alkyl, alkoxyalkyl, alkenyl, and cyanoalkyl; R.sub.1 is selected from the group consisting of alkyl, alkenyl, haloalkenyl, cycloalkenyl, alkoxyalkyl, and furfuryl; R and R.sub.1 taken together can form a ring structure selected from alkylene, alkyl substituted alkylene, alkenylene and alkyl substituted alkenylene.
    Type: Grant
    Filed: December 24, 1974
    Date of Patent: June 29, 1976
    Assignee: Stauffer Chemical Company
    Inventors: Don R. Baker, Francis H. Walker, Peter E. Letchworth