Patents by Inventor Doyt K. Hoffman

Doyt K. Hoffman 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: 4006095
    Abstract: Preparation of stable solutions of aluminum hydride in liquid hydrocarbons such as benzene or toluene by a one-step reaction between, for instance, 1 mole of aluminum chloride with 3 moles of lithium hydride in said liquid hydrocarbon medium and in the presence of a weak ether base such as dimethyl ether, an aliphatic tertiary amine such as trimethylamine being added.
    Type: Grant
    Filed: March 31, 1972
    Date of Patent: February 1, 1977
    Assignee: Lithium Corporation of America
    Inventors: Doyt K. Hoffman, Ricardo O. Bach, Conrad W. Kamienski