Patents by Inventor Alan J. Rein

Alan J. Rein 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).

  • Caustic washed molecular sieves
    Patent number: 4134965
    Abstract: A novel improved molecular sieve is prepared by a caustic wash process. The sieves so prepared show improved properties in reactions involving e.g., superior acid scavenging ability.
    Type: Grant
    Filed: August 31, 1977
    Date of Patent: January 16, 1979
    Assignee: Merck & Co., Inc.
    Inventors: Alan J. Rein, David D. Saperstein, Seemon H. Pines