Patents by Inventor Barry A. Schlech

Barry A. Schlech 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).

  • Publication number: 20080305514
    Abstract: The present invention relates to methods for detecting microbes in a sample comprising filtering the sample through a fluid-permeable surface, contacting the surface with a viability stain, scanning the surface for viability stain to form a first scan, contacting the surface with a nucleic acid stain, scanning the surface for nucleic acid stain to form a second scan, and comparing said first scan and said second scan.
    Type: Application
    Filed: April 21, 2008
    Publication date: December 11, 2008
    Applicant: ALCON RESEARCH, LTD.
    Inventors: Kathleen G. Alford, Sheryll H. Handley, Barry A. Schlech, S. Paul Shannon, Ronald L. Smith
  • Publication number: 20040033208
    Abstract: Antimicrobial compositions containing one or more topically active antibiotics (e.g., Natamycin) and one or more amidoamines are described. The amidoamines enhance or supplement the antimicrobial activity of natamycin or other topically active antibiotics. The compositions are particularly useful in treating or preventing fungal infections of the eye, ear, nose and throat, as well as sterilizing these tissues prior to surgery or other medical procedures.
    Type: Application
    Filed: May 22, 2003
    Publication date: February 19, 2004
    Inventors: Gerald D. Cagle, Barry A. Schlech, Joseph W. Hiddene, G. Michael Wall
  • Patent number: 6630135
    Abstract: An improved method of sterilizing the field of surgery prior to an ophthalmic surgical procedure is described. The invention eliminates the need for painful and potentially traumatic injections of antibiotics by utilizing sustained release compositions which allow the antibiotics contained therein to penetrate deeply into the eye, thereby ensuring a sterile field of surgery during intraocular surgical procedures. The compositions may also be utilized to prevent post-surgical infections.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: October 7, 2003
    Assignee: Alcon Laboratories, Inc.
    Inventors: Gerald D. Cagle, Tai-Lee Ke, Barry A. Schlech, Ole J. Lorenzetti
  • Patent number: 5985259
    Abstract: An improved method of sterilizing the field of surgery prior to an ophthalmic surgical procedure is described. The invention eliminates the need for painfull and potentially traumatic injections of antibiotics by utilizing sustained release compositions which allow the antibiotics contained therein to penetrate deeply into the eye, thereby ensuring a sterile field of surgery during intraocular surgical procedures. The compositions may also be utilized to prevent post-surgical infections.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: November 16, 1999
    Assignee: Alcon Laboratories, Inc.
    Inventors: Gerald D. Cagle, Tai-Lee Ke, Barry A. Schlech, Ole J. Lorenzetti
  • Patent number: 5631004
    Abstract: An improved method of sterilizing the field of surgery prior to an ophthalmic surgical procedure is described. The invention eliminates the need for painful and potentially traumatic injections of antibiotics by utilizing sustained release compositions which allow the antibiotics contained therein to penetrate deeply into the eye, thereby ensuring a sterile field of surgery during intraocular surgical procedures. The compositions may also be utilized to prevent post-surgical infections.
    Type: Grant
    Filed: September 30, 1993
    Date of Patent: May 20, 1997
    Assignee: Alcon Laboratories, Inc.
    Inventors: Gerald D. Cagle, Tai-Lee Ke, Barry A. Schlech, Ole J. Lorenzetti