Patents by Inventor Janet A. Day

Janet A. Day 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).

  • Hydrocarbon oil compositions having improved cold flow properties
    Patent number: 5585337
    Abstract: This invention provides hydrocarbon oil compositions comprising a major amount of a hydrocarbon oil and, as active ingredients, minor amounts of a copolymer of at least one n-(C.sub.8 -C.sub.40 -alkyl) (meth)acrylate with maleic anhydride, and at least one additive selected from the group consisting of a homopolymer or copolymer derived from an unsaturated hydrocarbon monomer, an ester and a wax anti-settling additive; additive concentrates containing the active ingredients and use of the latter in improving the cold flow properties of hydrocarbon oils.
    Type: Grant
    Filed: March 21, 1995
    Date of Patent: December 17, 1996
    Assignee: Shell Oil Company
    Inventors: Janet A. Day, Marinus J. Reynhout, Henricus P. M. Tomassen
  • Compounds for the loosening of fruit and/or leaves on plants
    Patent number: 4372776
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 and R.sup.3 each is hydrogen or R.sup.1 and R.sup.3 together form a second carbon-to-nitrogen bond, R.sup.2 is hydrogen or cyano, R.sup.4 is alkyl and Ar is one of certain aromatic moieties.The compounds can be used as abscission agents for the loosening of fruit and/or leaves on plants.
    Type: Grant
    Filed: October 16, 1981
    Date of Patent: February 8, 1983
    Assignee: Shell Oil Company
    Inventors: Janet A. Day, Robert J. G. Searle
  • 2-Cyano-2-carboxy-3-azabicyclo[3.1.0]hexane, hydrates, esters, and salts thereof
    Patent number: 4288367
    Abstract: 2-cyano-2-carboxy-3-azabicyclo[3.1.0]hexane, hydrates, esters, and salts thereof, useful as pollen-suppressants.
    Type: Grant
    Filed: October 28, 1980
    Date of Patent: September 8, 1981
    Assignee: Shell Oil Company
    Inventors: Janet A. Day, Robert J. G. Searle
  • Process for preparing 3-azabicyclo(3.1.0)hexane-2-carboxylic acid
    Patent number: 4279821
    Abstract: 3-Azabicyclo(3.1.0)hexane-2-carboxylic acid, a plant gametocide, is prepared by effecting reaction between cis 2-aminomethylcyclopropyl-1,1-dimethyl acetal and a cyanide in the presence of a liquid lower-alkanecarboxylic acid; treating the resulting N-alkanoyl-3-azabicyclo(2.1.0)hexane-2-carbonitrile with a strong acid; treating the resulting 3-alkanoyl-3-azabicyclo(3.1.0)hexane-2-carboxylic acid with strong acid to form the desired 3-azabicyclo(3.1.0)hexane-2-carboxylic acid.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: July 21, 1981
    Assignee: Shell Oil Company
    Inventors: Janet A. Day, Barry R. J. Devlin, Robert J. G. Searle
  • Process for preparing 3-azabicyclo(3.1.0)hexane-2-carboxylic acid
    Patent number: 4255334
    Abstract: 3-Azabicyclo(3.1.0)hexane-2-carboxylic acid, a plant gametocide, is prepared by effecting reaction between cis 2-aminomethylcyclopropyl-1,1-dimethyl acetal and a cyanide in the presence of a liquid lower-alkanecarboxylic acid; treating the resulting N-alkanoyl-3-azabicyclo(2.1.0)hexane-2-carbonitrile with a strong acid; treating the resulting 3-alkanoyl-3-azabicyclo(3.1.0)hexane-2-carboxylic acid with strong acid to form the desired 3-azabicyclo(3.1.0)hexane-2-carboxylic acid.
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: March 10, 1981
    Assignee: Shell Oil Company
    Inventors: Janet A. Day, Barry R. J. Devlin, Robert J. G. Searle
  • 2-Aminomethylcyclopropyl-1,1-dialkylacetals
    Patent number: 4254057
    Abstract: 3-azabicyclo(3.1.0)hexane-2-carboxylic acid, a plant gametocide, is prepared by effecting reaction between cis 2-aminomethylcyclopropyl-1,1-dimethyl acetal and a cyanide in the presence of a liquid lower-alkanecarboxylic acid; treating the resulting N-alkanoyl-3-azabicyclo(2.1.0)hexane-2-carbonitrile with a strong acid; treating the resulting 3-alkanoyl-3-azabicyclo(3.1.0)hexane-2-carboxylic acid with strong acid to form the desired 3-azabicyclo(3.1.0)hexane-2-carboxylic acid.
    Type: Grant
    Filed: January 24, 1980
    Date of Patent: March 3, 1981
    Assignee: Shell Oil Company
    Inventors: Janet A. Day, Barry R. J. Devlin, Robert J. G. Searle
  • Esters of 2-carboxy-3-azabicyclo-(3.1.0)hex-2-ene
    Patent number: 4249936
    Abstract: Esters of 2-carboxy-3-azabicyclo(3.1.0)hex-2-ene, useful as intermediates to the cis-racemate of methanoproline, and as inhibitors of pollen formation in cereal grains.
    Type: Grant
    Filed: December 7, 1979
    Date of Patent: February 10, 1981
    Assignee: Shell Oil Company
    Inventors: Robert J. G. Searle, Janet A. Day
  • Combined charge form storage unit and writing instrument holder
    Patent number: D249273
    Type: Grant
    Filed: November 29, 1976
    Date of Patent: September 5, 1978
    Inventor: Ida Janet Day