N. P. Dhammika Nanayakkara

Person

  • Oxford, MS, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Selective algaecides for control of cyanochloronta

    • Patent number 6,949,250
    • Issue date Sep 27, 2005
    • The United States of America as represented by the Secretary of Agriculture
    • Kevin K. Schrader
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...