Patents by Inventor Christopher Louer

Christopher Louer 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: 5173209
    Abstract: A composition of at least one lithium cycloalkyl imide of the formula: ##STR1## wherein R and R' each represent a hydrogen or alkyl of 1 to 4 carbon atoms, and x and y are integers of 1 to 3.
    Type: Grant
    Filed: September 13, 1990
    Date of Patent: December 22, 1992
    Assignee: Cyprus Foote Mineral Company
    Inventors: W. Novis Smith, Jr., Christopher Louer
  • Patent number: 5068368
    Abstract: A process for the preparation of ethynyl carbinols of the formula: ##STR1## wherein R" is hydrogen, a substituted or unsubstituted aliphatic or aromatic hydrocarbon, R'" is a substituted or unsubstituted aliphatic or aromatic hydrocarbon or R" and R'" together to the carbon atom to which they are joined represent a steroid, which comprises the steps ofA. reacting in a solvent system comprising an aromatic hydrocarbon, at least one lithium alkylamide selected from the group consisting of: ##STR2## wherein R is a hydrogen or lower alkyl, R' is hydrogen, lower alkyl, a substituted or unsubstituted aliphatic, alicyclic or aromatic hydrocarbon, x is an integer of 2 to 8, y and z are each 0 to 1, with acetylene to form a monolithium acetylideB. reacting in a solvent system comprising an aromatic hydrocarbon, the monolithium acetylene from Part A with a ketone of the formula R"R'"C.dbd.O, wherein R" and R'" are as hereinbefore defined, and thenC.
    Type: Grant
    Filed: May 10, 1990
    Date of Patent: November 26, 1991
    Assignee: Cyprus Foote Mineral Company
    Inventors: W. Novis Smith, Christopher Louer