Patents by Inventor Luis F. Fonseca

Luis F. Fonseca 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).

  • Metal Phthalocyanine-Based Nanowire Devices and Methods of Preparation and Use Thereof
    Publication number: 20240309034
    Abstract: Metal phthalocyanine-based nanowire devices, and methods of preparation and use thereof are provided, in particular methods of gas sensing. In one aspect, provided herein are methods for monitoring a gaseous mixture for an analyte, comprising: providing a sensor comprising nanowires, wherein the nanowires comprise a metal phthalocyanine complex, contacting the sensor with the gaseous mixture; and monitoring the electrical properties of the sensor, wherein the presence of the analyte alters the electrical properties of the sensor.
    Type: Application
    Filed: February 3, 2024
    Publication date: September 19, 2024
    Inventors: Dalice Marie Piñero Cruz, Luis F. Fonseca, Jean C. Gonzalez-Espiet, Soraya Ysabel Flores-Chalco, Rubén E. Díaz-Rivera, Juan Antonio Cintron-Cruz
  • Branched nanostructures and method of synthesizing the same
    Patent number: 7528060
    Abstract: A branched nanostructure is synthesized. A porous material, with pores having a diameter of approximately 1 ?m or less, is placed in a vacuum. It is irradiated with an electron beam. This causes a trunk to grow from the porous material and further causes branches to grow from the trunk.
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: May 5, 2009
    Assignee: University of Puerto Rico
    Inventors: Luis F. Fonseca, Oscar Resto, Francisco Solá