Patents by Inventor Narayan K. Raman

Narayan K. Raman 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).

  • Molecular sieving silica membrane fabrication process
    Patent number: 5935646
    Abstract: A process for producing a molecular sieve silica membrane comprising depositing a hybrid organic-inorganic polymer comprising at least one organic constituent and at least one inorganic constituent on a porous substrate material and removing at least a portion of the at least one organic constituent of the hybrid organic-inorganic polymer, forming a porous film.
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: August 10, 1999
    Assignees: Gas Research Institute, Sandia National Laboratories
    Inventors: Narayan K. Raman, Charles Jeffrey Brinker
  • Molecular sieving silica membrane fabrication process
    Patent number: 5770275
    Abstract: A process for producing a molecular sieve silica membrane comprising depositing a hybrid organic-inorganic polymer comprising at least one organic constituent and at least one inorganic constituent on a porous substrate material and removing at least a portion of the at least one organic constituent of the hybrid organic-inorganic polymer, forming a porous film.
    Type: Grant
    Filed: August 23, 1996
    Date of Patent: June 23, 1998
    Inventors: Narayan K. Raman, Charles Jeffrey Brinker