Patents by Inventor Mariamena El-Amin

Mariamena El-Amin 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).

  • Cytological and histological fixature composition and methods of use
    Patent number: 6531317
    Abstract: The present invention is directed to a fixative composition, the use of the fixative composition in preparing cytological or histological specimens, and a method of preparing particulate matter, such as cytology, hematology and microbiology specimens, for examination by collecting the particulate matter in a uniform layer, preferably a monolayer, and fixing the particles in a composition according to the present invention. The cytological, hematological, microbiological and histological fixative composition of the present invention contains an aldehyde crosslinker, a polyol and a detergent. The method of the present invention for preserving the particulate or histological specimen uses the fixative composition containing an aldehyde crosslinker, a polyol and a detergent.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: March 11, 2003
    Assignee: LaMina, Inc.
    Inventors: Raouf A. Guirguis, Mariamena El-Amin
  • Cytological and histological fixative composition and methods of use
    Publication number: 20020094577
    Abstract: The present invention is directed to a fixative composition, the use of the fixative composition in preparing cytological or histological specimens, and a method of preparing particulate matter, such as cytology, hematology and microbiology specimens, for examination by collecting the particulate matter in a uniform layer, preferably a monolayer, and fixing the particles in a composition according to the present invention. The cytological, hematological, microbiological and histological fixative composition of the present invention contains an aldehyde crosslinker, a polyol and a detergent. The method of the present invention for preserving the particulate or histological specimen uses the fixative composition containing an aldehyde crosslinker, a polyol and a detergent.
    Type: Application
    Filed: December 22, 2000
    Publication date: July 18, 2002
    Inventors: Raouf A. Guirguis, Mariamena El-Amin