Patents by Inventor Johannes A. van Lier

Johannes A. van Lier 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).

  • Amphiphilic trisulfonated porphyrazines for photodynamic applications in medicine
    Publication number: 20060282038
    Abstract: Disclosed herein are novel trisulfonated tribenzo-mononahptho-porphyrazines, processes for making them and their application as improved photosensitizing drugs for the treatment of various medical conditions by photodynamic therapy (PDT). These water-soluble amphiphilic porphyrazines are substituted with different alkylyl, aryl, aminoalkyl and aminoaryl groups, with or without carboxyl moeity.
    Type: Application
    Filed: May 14, 2004
    Publication date: December 14, 2006
    Inventors: Johannes Van Lier, Haroutioun Hassessian, Hongjian Tian, Nicole Cauchon, Hasrat Ali
  • Leak resistant galvanic cell and process for the production thereof
    Patent number: 4503133
    Abstract: Galvanic cells having at least a portion of their sealing surfaces and/or corrodible members coated with a sputtered or plasma polymerization deposited layer of polymeric material no more than 2000 angstroms thick demonstrate increased resistance to electrolyte leakage and/or increased resistance to corrosion.
    Type: Grant
    Filed: May 23, 1984
    Date of Patent: March 5, 1985
    Assignee: Union Carbide Corporation
    Inventors: Johannes A. van Lier, Hirotsugu Yasuda
  • Galvanic cell having a saturated fluorocarbon plasma-treated sealing gasket
    Patent number: 4501805
    Abstract: Galvanic cells employing compressible gaskets having at least a portion of the sealing areas of such gaskets coated with plasma deposited fluorine atoms demonstrate increased resistance to electrolyte leakage.
    Type: Grant
    Filed: December 22, 1983
    Date of Patent: February 26, 1985
    Assignee: Union Carbide Corporation
    Inventors: Hirotsugu Yasuda, Johannes A. van Lier
  • Seals for electrochemical cells
    Patent number: 4282293
    Abstract: An improved seal for alkaline cells comprising a gasket having a coated layer of a polyamide, an epoxy resin, asphalt or a cured epoxy-polyamide resin and a film of a substituted organosilane disposed and compressed between the interface of the cell's cover and the coated gasket of the cell thereby providing a fluid-tight seal therebetween.
    Type: Grant
    Filed: June 24, 1980
    Date of Patent: August 4, 1981
    Assignee: Union Carbide Corporation
    Inventor: Johannes A. van Lier
  • Electrode having polytetrafluoroethylene powder dispersed on its outer surface
    Patent number: 4175167
    Abstract: A coherent powder electrode having disposed upon and confined to its outer surface only a substantially uniform dispersion of polytetrafluoroethylene particles in an amount of less than 0.5 percent by weight of the active material in the electrode.
    Type: Grant
    Filed: March 31, 1978
    Date of Patent: November 20, 1979
    Assignee: Union Carbide Corporation
    Inventor: Johannes A. van Lier
  • Ternary solid ionically conductive compositions and method of preparing the same
    Patent number: 3957696
    Abstract: Ternary compositions in the system MAg(CN).sub.2 --MI--AgI wherein M may be potassium or rubidium or mixtures thereof have good ionic conductivity. Eutectic compositions in the molar proportions KAg(CN).sub.2 --3KI--5AgI and RbAg(CN).sub.2 --5.4RbI--9.6AgI exist and make preparation of compositions in the system possible at temperatures generally below about 250.degree.C.
    Type: Grant
    Filed: November 7, 1973
    Date of Patent: May 18, 1976
    Assignee: Union Carbide Corporation
    Inventors: Johannes A. van Lier, Kathleen K. Maszczynski