Patents by Inventor Robert Lee Vollmer

Robert Lee Vollmer 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).

  • Synthesis of squaric acid
    Patent number: 4104308
    Abstract: Squaric acid is prepared by reacting hexachlorobutadiene with an excess of morpholine in the presence of an aromatic hydrocarbon solvent while maintaining the temperature between 110.degree. C and 120.degree. C, and then converting the resulting 1,1,3-trichloro-2,4,4-trimorpholino-butadiene to 3-morpholinotrichloro-2-cyclobuten-1-one, which in turn is hydrolyzed in the presence of strong acid to produce the desired squaric acid.
    Type: Grant
    Filed: June 21, 1976
    Date of Patent: August 1, 1978
    Assignee: International Business Machines Corporation
    Inventors: Thomas Richard Gadek, David Berhard Sclove, Robert Lee Vollmer