Patents Represented by Attorney, Agent or Law Firm William D. Schmidt, Esq.
  • Coated titanium dioxide pigments and processes for production and use
    Patent number: 6342099
    Abstract: The present invention provides a coated titanium dioxide pigment which includes a base titanium dioxide pigment; a first deposit of a phosphate compound contiguous with the base titanium dioxide pigment; a deposit of a silica or zirconia compound contiguous with the phosphate deposit; a second deposit of a phosphate compound contiguous with the silica or zirconia compound; and a deposit of an alumina compound contiguous with the second phosphate deposit. Titanium dioxide pigments of the present invention are easily dispersible, and display excellent durability and gloss.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: January 29, 2002
    Assignee: Millennium Inorganic Chemicals, Inc.
    Inventors: Michael Hiew, Philip Chegwidden
  • Nucleotide analogues with 3'-pro-fluorescent fluorophores in nucleic acid sequence analysis
    Patent number: 6287821
    Abstract: The invention concerns a novel class of 3′-modified, pro-fluorescent nucleotides. The invention also pertains to methods for using such nucleotides.
    Type: Grant
    Filed: June 11, 1998
    Date of Patent: September 11, 2001
    Assignee: Orchid BioSciences, Inc.
    Inventors: Jufang Shi, Michael T. Boyce-Jacino, Phillip Goelet