Patents by Inventor Anabella Villalobos

Anabella Villalobos 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).

  • Patent number: 5750542
    Abstract: Described herein are compounds of the formula ##STR1## wherein R.sup.1 R.sup.2, R.sup.7, R.sup.8, X, Y, M and L are defined as below. The compounds of formula I are cholinesterase inhibitors and are useful in enhancing memory in patients suffering from dementia and Alzheimer's disease.
    Type: Grant
    Filed: September 28, 1993
    Date of Patent: May 12, 1998
    Assignee: Pfizer
    Inventors: Anabella Villalobos, Arthur A. Nagel, Yuhpyng L. Chen
  • Patent number: 5538984
    Abstract: Disclosed herein are compounds of the formula ##STR1## wherein R.sup.1 R.sup.2, R.sup.7, R.sup.8, X, Y, M and L are defined as below The compounds of formula I are cholinesterase inhibitors and are useful in enhancing memory in patients suffering from dementia and Alzheimer's disease.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: July 23, 1996
    Assignee: Pfizer Inc.
    Inventors: Anabella Villalobos, Arthur A. Nagel, Yuhpyng L. Chen