Patents by Inventor Gary Scholes

Gary Scholes 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).

  • Azetidine derivative
    Patent number: 4701534
    Abstract: 2-Benzyl-7,7-dimethyl-6,8-dioxa-2-aza-spiro[3,5]nonane of the formula ##STR1## and a process for the preparation of that compound, which compound is useful as an intermediate in the preparation of 3-carboxy azetidine.
    Type: Grant
    Filed: May 5, 1986
    Date of Patent: October 20, 1987
    Assignee: Shell Oil Company
    Inventors: Ronald F. Mason, Gary Scholes, Jan W. van Reijendam
  • Arysulphonyl azetidine compounds used as intermediates
    Patent number: 4591457
    Abstract: Azetidine compounds of the general formula I ##STR1## wherein Ar represents a para-tolyl group and X represents a hydrogen atom, a carboxyl group or a hydroxymethyl group; their preparation from pentaerythritol via compounds of formula ##STR2## wherein Hal represents chlorine, bromine or iodine, Y represents oxygen or ##STR3## and Z represents Hal or OH, together with their use as intermediates in the preparation of 3-carboxyazetidine; also the compounds of formula ##STR4## wherein R.sub.1 and R.sub.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: May 27, 1986
    Assignee: Shell Oil Company
    Inventors: Gary Scholes, Robert van Helden
  • Arylsulphonyl azetidine compounds, their preparation and their use as intermediates
    Patent number: 4569795
    Abstract: Azetidine compounds of the general formula I ##STR1## wherein Ar represents a para-tolyl group and X represents a hydrogen atom, a carboxyl group or a hydroxymethyl group; their preparation from pentaerythritol via compounds of formula ##STR2## or two hydroxyl groups and Z represents Hal or OH, together with their use as intermediates in the preparation of 3-carboxyazetidine; also the compounds of formula ##STR3## wherein R.sub.1 and R.sub.2 both represent hydrogen, or together represent ##STR4## The compounds are intermediates for a known chemical hybridizing agent.
    Type: Grant
    Filed: January 9, 1984
    Date of Patent: February 11, 1986
    Assignee: Shell Oil Company
    Inventors: Gary Scholes, Robert van Helden
  • Process for the preparation of cyclopropane compounds
    Patent number: 4489005
    Abstract: Compounds of the general formula ##STR1## in which a chlorine or bromine atom and A represents a hydrogen or metal atom or an alkyl group of 1 to 4 carbon atoms, are prepared by cyclizing a compound of the general formula ##STR2## in which Hal' represents a chlorine or bromine atom, in the presence of an acid. The resulting compound is a useful intermediate in the synthesis of certain pyrethroid insecticides.
    Type: Grant
    Filed: September 15, 1983
    Date of Patent: December 18, 1984
    Assignee: Shell Oil Company
    Inventor: Gary Scholes
  • Bicyclic lactams and process for their preparation
    Patent number: 4262124
    Abstract: A process for preparing the cis-racemate of 3-azabicyclo-(3.1.0)hexane-2-carboxylic acid, and certain novel intermediates involved therein.
    Type: Grant
    Filed: May 6, 1980
    Date of Patent: April 14, 1981
    Assignee: Shell Oil Company
    Inventors: Gary Scholes, Frank Baardman
  • Method of adding amines to 1,3 dienes
    Patent number: 4104471
    Abstract: A method of producing 1:2 amine-diene adducts which method comprises contacting a sterically unhindered amine with a 1,3 diene in the presence of a catalytic amount of a catalyst comprising an olefin-palladium complex preferably of the type X--Pd--X where X is an olefin and Pd is palladium in its zero valent state.
    Type: Grant
    Filed: March 9, 1977
    Date of Patent: August 1, 1978
    Assignee: Air Products & Chemicals, Inc.
    Inventors: Francis Gordon Albert Stone, Michael Green, Gary Scholes, John Lionel Spencer