Patents by Inventor Aurelio M. Crico

Aurelio M. Crico 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).

  • Purification and recovery of ethylene dichloride
    Patent number: 4333799
    Abstract: Ethylene dichloride is separated from unsaturated organic impurities such as trichloroethylene and benzene by extractive distillation in the presence of a high boiling chloroalkene solvent, such as perchloroethylene.
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: June 8, 1982
    Assignee: PPG Industries, Inc.
    Inventor: Aurelio M. Crico
  • Purification and recovery of ethylene dichloride
    Patent number: 4162201
    Abstract: Carbon tetrachloride and chloroform are separated as a light fraction from ethylene dichloride by distilling the ethylene dichloride under reflux conditions to maintain a chloroform concentration greater than 51.5 mole percent in the reflux liquid.
    Type: Grant
    Filed: July 12, 1978
    Date of Patent: July 24, 1979
    Assignee: PPG Industries, Inc.
    Inventor: Aurelio M. Crico