Patents Represented by Attorney, Agent or Law Firm Alain M. Leclerc
  • Lantibiotic from Streptococcus mutans, method of production and use thereof
    Patent number: 6699839
    Abstract: Mutacin are bactericidal substances of proteinaceous natures produced by Streptococcus mutans. Lantibiotics are antibacterial substances containing posttranslationnally modified amino acids such as lanthionine. The present invention teaches a simple method of purifying mutacin B-Ny266 from Streptococcus mutans strain Ny266 to homogeneity. The present invention further teaches the primary amino acid sequence of mutacin B-Ny266 as well as its proposed modified structure. Further, the present invention teaches compositions comprising mutacin B-Ny266 as well as methods for the treatment and/or prophylaxy of bacterial infections comprising an administration of a suitable dose of composition comprising mutacin B-Ny266.
    Type: Grant
    Filed: October 19, 2000
    Date of Patent: March 2, 2004
    Assignee: Universite Laval
    Inventors: Marc Lavoie, Marilaine Mota-Meira, Christophe Lacroix, Gisèle Lapointe
  • Lancet
    Patent number: D442105
    Type: Grant
    Filed: September 2, 1999
    Date of Patent: May 15, 2001
    Assignee: Medical Plastic Devices M.P.D. Inc.
    Inventors: William A. Lloyd, Martin Lancing
  • Safety helmet
    Patent number: D355731
    Type: Grant
    Filed: February 22, 1993
    Date of Patent: February 21, 1995
    Inventor: Fabien Gingras
  • Conveyor puck
    Patent number: D412769
    Type: Grant
    Filed: November 18, 1998
    Date of Patent: August 10, 1999
    Assignee: Gebo Conveyors Consultants & Systems Inc.
    Inventor: Zmaj Petrovic