Patents by Inventor Adrian J Carmichael

Adrian J Carmichael 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).

  • Process for preparing ambient temperature ionic liquids
    Patent number: 6774240
    Abstract: A process for preparing an ionic liquid or salt, formed by reaction between an organic base and an alkylating agent, wherein the alkylating agent is a fluorinated ester or an alkyl sulfonate, is described. Suitable organic bases include imidazoles, substituted imidazoles, pyridines and substituted pyridines. The so-formed products can be subsequently transformed into different ionic liquids or salts by metathesis.
    Type: Grant
    Filed: September 9, 2002
    Date of Patent: August 10, 2004
    Assignee: The Queen's University of Belfast
    Inventors: Kenneth R. Seddon, Adrian J Carmichael, Martyn J. Earle
  • Process for preparing ambient temperature ionic liquids
    Publication number: 20030080312
    Abstract: A process for preparing an ionic liquid or salt, preferably in which the cation comprises an N-alkylated base and the anion is a carboxylate, formed by reaction between an organic base and an alkylating agent, wherein the alkylating agent is a fluorinated ester or an alkyl sulfonate, is described. Suitable organic bases include imizadoles, substituted imidazoles, pyridines and substituted pyridines. The so-formed products can be subsequently transformed into different ionic liquids or salts by metathesis.
    Type: Application
    Filed: September 9, 2002
    Publication date: May 1, 2003
    Inventors: Kenneth R. Seddon, Adrian J Carmichael, Martyn J. Earle