Patents Assigned to Hydranautics Corporation
  • Interfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the same
    Patent number: 4948507
    Abstract: The present invention relates to an interfacially synthesized reverse osmosis membrane useful for the separation of fluid mixtures and solutions. In particular, the present invention relates to a polyamide water permeable membrane containing a monomeric amine salt therein, which is useful for desalination of an aqueous solution. The present invention also relates to processes for preparing the membrane.
    Type: Grant
    Filed: October 6, 1989
    Date of Patent: August 14, 1990
    Assignee: Hydranautics Corporation
    Inventor: John E. Tomaschke
  • Interfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the same
    Patent number: 4872984
    Abstract: The present invention relates to an interfacially synthesized reverse osmosis membrane useful for the separation of fluid mixtures and solutions. In particular, the present invention relates to an aromatic polyamide water permeable membrane containing an amine salt therein, which is useful for desalination of an aqueous solution. The present invention also relates to processes for preparing the membrane.
    Type: Grant
    Filed: September 28, 1988
    Date of Patent: October 10, 1989
    Assignee: Hydranautics Corporation
    Inventor: John E. Tomaschke