Patents by Inventor Alex E. Velikoff

Alex E. Velikoff 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: 5131928
    Abstract: The subject invention relates to a membrane for the selective separation of at least one component of a gaseous feed stream comprising a porous membrane, having pores of from about 10 Angstroms to about 200 Angstroms, the pores containing a facilitator liquid having an affinity for the at least one component to be selectively separated, the membrane being capable of operating at a transmembrane pressure of about 100 psig to about 1000 psig, and the membrane comprising a polymer, a solvent, an alcohol non-solvent, and a viscosity enhancer and pore former.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: July 21, 1992
    Assignee: The Standard Oil Company
    Inventors: Marc W. Blackman, Alex E. Velikoff, James C. Davis, Ronald J. Valus