Patents by Inventor Malcolm S. Singer

Malcolm S. Singer 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: 4753943
    Abstract: 2-Haloalkyl-3-oxo-4-substituted quinazolines represented by the formula ##STR1## wherein R is hydrogen, lower alkyl, lower alkyl substituted with one to three of the same or different halogens, phenyl or phenyl substituted with 1 to 3 of the same or different substituents selected from a group consisting of lower alkyl, lower alkoxy, lower alkylthio, fluoro, chloro, bromo, iodo, nitro, cyano, or lower alkyl substituted with one to three of the same or different halogens, R.sup.1 is hydrogen, lower alkyl, or lower alkyl substituted with one to three of the same or different halogens, Y.sub.1, Y.sub.2, Y.sub.3 and Y.sub.4 are independently selected from a group consisting of hydrogen, lower alkyl, lower alkoxy, lower alkylthio, fluoro, chloro, bromo, iodo, nitro, cyano, or lower alkyl substituted with one to three of the same or different halogens and X is fluoro, chloro, bromo, iodo, cyano, lower alkoxy, thiocyano and ##STR2## where R.sup.3 and R.sup.
    Type: Grant
    Filed: September 29, 1981
    Date of Patent: June 28, 1988
    Assignee: Chevron Research Company
    Inventors: William F. King, Malcolm S. Singer
  • Patent number: 4405355
    Abstract: Compounds of the formula ##STR1## wherein R is aliphatic hydrocarbyl, alicyclic hydrocarbyl or aryl suitably substituted, if desired, or a heterocyclic group, R.sup.1 is hydrogen or alkyl, R.sup.2 is alkyl or alkoxy, R.sup.3 is ##STR2## wherein a is 0 or 1, R.sup.4 is hydrogen or CW'.sub.3, the W' being hydrogen or halogen, Z is halogen and X is halogen, hydroxy, alkoxy, acetoxy, carbethoxyalkoxy, phenoxy, alkylthio, carbethoxyalkylthio, phenylthio, phosphono, dithiophosphonoxy, phosphoramido, isocyanato, isothiocyanato, alkyl- and dialkylthiocarbamoylthio, alkyl- and dialkylcarbamoyloxy, alkylsulfonyl, etc., have herbicidal activity.
    Type: Grant
    Filed: January 26, 1981
    Date of Patent: September 20, 1983
    Assignee: Chevron Research Company
    Inventor: Malcolm S. Singer
  • Patent number: 4273572
    Abstract: Compounds of the formula ##STR1## wherein R is aliphatic hydrocarbyl, alicyclic hydrocarbyl or aryl suitably substituted, if desired, or a heterocyclic group, R.sup.1 is hydrogen or alkyl, R.sup.2 is alkyl or alkoxy, R.sup.3 is ##STR2## wherein a is 0 or 1, R.sup.4 is hydrogen or CW'.sub.3, the W' being hydrogen or halogen, Z is halogen and X is halogen, hydroxy, alkoxy, acetoxy, carbethoxyalkoxy, phenoxy, alkylthio, carbethoxyalkylthio, phenylthio, phosphono, dithiophosphonoxy, phosphoramido, isocyanato, isothiocyanato, alkyl- and dialkylthiocarbamoylthio, alkyl- and dialkylcarbamoyloxy, alkylsulfonyl, etc., have herbicidal activity.
    Type: Grant
    Filed: August 20, 1979
    Date of Patent: June 16, 1981
    Assignee: Chevron Research Company
    Inventor: Malcolm S. Singer
  • Patent number: 4266033
    Abstract: In vivo and in vitro cellulose fermentation by cellulose-digesting microorganisms is increased by conducting the fermentation in the presence of a minor amount of a 2-(chloromethyldithio)acetic acid.
    Type: Grant
    Filed: November 30, 1979
    Date of Patent: May 5, 1981
    Assignee: Chevron Research Company
    Inventor: Malcolm S. Singer
  • Patent number: 4248620
    Abstract: A compound having the formula ##STR1## wherein R and R.sup.1 is lower alkyl, lower alkenyl, lower alkynyl, lower alkoxyalkylene, cyclopentyl, or cyclohexyl, and the other is aryl or substituted aryl; R.sup.2 is C.sub.1 -C.sub.2 haloalkyl; R.sup.3 and R.sup.4 can, each independent of the other, be any of the substituents R and R.sup.1 collectively can be and one of R.sup.3 or R.sup.4 can also be hydrogen or R.sup.3 and R.sup.4 together with the nitrogen atom to which they are joined can be piperidinyl, pyrrolidinyl or morpholinyl.The compounds can be prepared by reaction of the corresponding 1'-chloroalkylimidazolidine with the appropriate primary or secondary amine.The compounds are useful as fungicides and selective herbicides.
    Type: Grant
    Filed: October 4, 1979
    Date of Patent: February 3, 1981
    Assignee: Chevron Research Company
    Inventor: Malcolm S. Singer
  • Patent number: 4219673
    Abstract: In vivo and in vitro cellulose fermentation by cellulose-digesting microorganisms is increased by conducting the fermentation in the presence of a minor amount of a 2-(chloromethyldithio)acetic acid.
    Type: Grant
    Filed: March 31, 1978
    Date of Patent: August 26, 1980
    Assignee: Chevron Research Company
    Inventor: Malcolm S. Singer
  • Patent number: 4200450
    Abstract: Compounds of the formula ##STR1## wherein R is aliphatic hydrocarbyl, alicyclic hydrocarbyl or aryl suitably substituted, if desired, or a heterocyclic group, R.sup.1 is hydrogen or alkyl, R.sup.2 is alkyl or alkoxy, R.sup.3 is ##STR2## wherein a is 0 or 1, R.sup.4 is hydrogen or CW'.sub.3, the W' being hydrogen or halogen, Z is halogen and X is halogen, hydroxy, alkoxy, acetoxy, carbethoxyalkoxy, phenoxy, alkylthio, carbethoxyalkylthio, phenylthio, phosphono, dithiophosphonoxy, phosphoramido, isocyanato, isothiocyanato, alkyl- and dialkylthiocarbamoylthio, alkyl- and dialkylcarbamoyloxy, alkylsulfonyl, etc., have herbicidal activity.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: April 29, 1980
    Assignee: Chevron Research Company
    Inventor: Malcolm S. Singer
  • Patent number: 4151279
    Abstract: N-carbamyloxy-6-oxotetrahydro-1,3-oxazines of the formula ##STR1## wherein R is hydrogen, alkyl or aryl,R.sup.1 and R.sup.2 are alkyl or aryl,X is halo,R.sup.3 and R.sup.4 are hydrogen, alkyl or halo, with the proviso that two R.sup.1 and R.sup.2 groups may together form a divalent alkylene group of 3 to 5 carbon atoms, have been round to be excellent plant fungicides, particularly for plant diseases caused by Phytophthora infestans and the fungal species of the Peronosporaceae family.
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: April 24, 1979
    Assignee: Chevron Research Company
    Inventor: Malcolm S. Singer
  • Patent number: 4110475
    Abstract: In vivo and in vitro cellulose fermentation by cellulose-digesting microorganisms is increased by conducting the fermentation in the presence of a minor amount of a 2-(chloromethyldithio)acetic acid.
    Type: Grant
    Filed: May 11, 1977
    Date of Patent: August 29, 1978
    Assignee: Chevron Research Company
    Inventor: Malcolm S. Singer
  • Patent number: 4034105
    Abstract: This invention relates to novel N-alkyl-N-cyanoformyl carbamates and N-alkyl-N-cyanoformyl thiolcarbamates and their use as nematocides.
    Type: Grant
    Filed: February 23, 1976
    Date of Patent: July 5, 1977
    Assignee: Chevron Research Company
    Inventor: Malcolm S. Singer
  • Patent number: 3992402
    Abstract: 5-(1-Hydroxy-2,2,2-trihaloethylimino)-, 5-(1,2,2,2-tetrahaloethylimino)- and 5-(polyhalovinylethylimino)-2,4-imidazolidinediones and their use as herbicides and fungicides.
    Type: Grant
    Filed: August 29, 1975
    Date of Patent: November 16, 1976
    Assignee: Chevron Research Company
    Inventor: Malcolm S. Singer
  • Patent number: 3956364
    Abstract: This invention relates to novel N-alkyl-N-cyanoformyl carbamates and N-alkyl-N-cyanoformyl thiolcarbamates and their use as namatocides.
    Type: Grant
    Filed: May 15, 1974
    Date of Patent: May 11, 1976
    Assignee: Chevron Research Company
    Inventor: Malcolm S. Singer