Patents by Inventor Norma L. Hernandez de Gatica

Norma L. Hernandez de Gatica 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).

  • Method for testing the degradation of polymeric materials
    Patent number: 6864090
    Abstract: The present invention provides a novel method for monitoring the reaction kinetics of the biodegradable polymers, and the surface concentration of a drug in a polymer blend matrix. Detailed information on surface concentration, degradation rates, degradation kinetics and mechanism, is provided by using Time-of-Flight Secondary Ion Mass Spectrometry (ToF SIMS) measurements. Also provided is a method for determining oligomers in hydrolyzed biodegradable polymers.
    Type: Grant
    Filed: October 21, 2003
    Date of Patent: March 8, 2005
    Assignee: Research Foundation of State University of New York at Buffalo
    Inventors: Joseph A. Gardella, Jr., Jiaxing Chen, Norma L. Hernandez de Gatica, Joo-Woon Lee
  • Method for testing the degradation of polymeric materials
    Publication number: 20040203161
    Abstract: The present invention provides a novel method for monitoring the reaction kinetics of the biodegradable polymers, and the surface concentration of a drug in a polymer blend matrix. Detailed information on surface concentration, degradation rates, degradation kinetics and mechanism, is provided by using Time-of-Flight Secondary Ion Mass Spectrometry (ToF SIMS) measurements. Also provided is a method for determining oligomers in hydrolyzed biodegradable polymers.
    Type: Application
    Filed: October 21, 2003
    Publication date: October 14, 2004
    Inventors: Joseph A. Gardella, Jiaxing Chen, Norma L. Hernandez de Gatica, Joo-Woon Lee
  • Method for testing the degradation of polymeric materials
    Patent number: 6670190
    Abstract: The present invention provides a novel method for monitoring the surface concentration of a drug in a polymer blend matrix and the reaction kinetics of the biodegradable polymers. Detailed information on surface concentration, degradation rates, degradation kinetics and mechanism, is provided by using Time-of-Flight Secondary Ion Mass Spectrometry (ToF SIMS) measurements. Also provided is a method for determining oligomers in hydrolyzed biodegradable polymers.
    Type: Grant
    Filed: April 7, 2003
    Date of Patent: December 30, 2003
    Assignee: The Research Foundation of State University of New York
    Inventors: Joseph A. Gardella, Jr., Jiaxing Chen, Norma L. Hernandez de Gatica, Joo-Woon Lee
  • Method for testing the degradation of polymeric materials
    Publication number: 20030157722
    Abstract: The present invention provides a novel method for monitoring the surface concentration of a drug in a polymer blend matrix and the reaction kinetics of the biodegradable polymers. Detailed information on surface concentration, degradation rates, degradation kinetics and mechanism, is provided by using Time-of-Flight Secondary Ion Mass Spectrometry (ToF SIMS) measurements. Also provided is a method for determining oligomers in hydrolyzed biodegradable polymers.
    Type: Application
    Filed: April 7, 2003
    Publication date: August 21, 2003
    Inventors: Joseph A. Gardella, Jiaxing Chen, Norma L. Hernandez de Gatica, Joo-Woon Lee