Patents by Inventor Raymond C. Feld

Raymond C. Feld 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 the separation of ortho chlorinated aromatic isomers by selective adsorption
    Patent number: 4864070
    Abstract: A process is disclosed for separation of ortho chlorotoluene and ortho-dichlorobenzene from their meta and para isomers by use of a specific crystalline aluminophosphate adsorbent which selectively removes the above ortho aromatic isomers. The selectively adsorbed ortho aromatic isomers are removed from the adsorbent through a desorption step.
    Type: Grant
    Filed: March 28, 1988
    Date of Patent: September 5, 1989
    Assignee: Amoco Corporation
    Inventors: Melvern C. Hoff, Raymond C. Feld
  • Modification of hydrocarbon conversion processes over crystalline borosilicate catalysts by addition of an alcohol or ether
    Patent number: 4400573
    Abstract: Incorporation of above about 50 ppm alcohol or ether into feed of a hydrocarbon conversion process using an AMS-1B crystalline borosilicate-based catalyst alters the product distribution produced in such process.
    Type: Grant
    Filed: August 2, 1982
    Date of Patent: August 23, 1983
    Assignee: Standard Oil Company (Indiana)
    Inventors: Raymond C. Feld, Allen I. Feinstein