Patents Represented by Law Firm Hurt, Richardson et al.
  • Preparation of pure titanium tetrachlorides and solutions of titanium tetrachlorides
    Patent number: 4783324
    Abstract: Method for reduction in metallic impurities in aqueous and anhydrous TiCl.sub.4. The method utilizes activated carbon to remove poisonous impurities such as antimony and arsenic, which allows use of the TiCl.sub.4 in pearlescent pigment production and cosmetics.
    Type: Grant
    Filed: February 3, 1987
    Date of Patent: November 8, 1988
    Assignee: Kemira, Inc.
    Inventors: Larry L. Walters, Bruce M. Anderson
  • TiO.sub.2 for ceramic frits and glazes
    Patent number: 4781911
    Abstract: A titanium dioxide compositon suitable for incorporation into ceramic frit, and process for preparation thereof. A clarified titanium sulfate liquor is hydrolyzed and precipitated to yield relatively large and uniform-sized hydrolysate particles which are easily separated from the acidic liquor by filtration.
    Type: Grant
    Filed: April 10, 1987
    Date of Patent: November 1, 1988
    Assignee: Kemira, Inc.
    Inventor: Earl R. Lawhorne
  • Device for the ejection of a poultry carcass
    Patent number: 4765028
    Abstract: A device for the ejection of a poultry carcass hanging on a conveyor track with two oblong outer gudies and a guide surface opposite them for confining a leg of a bird in which of two guides of the same type (inner or outer guides) part of this guide, greater in length than the diameter of the leg, is formed by a supporting element which is movable transversely to the guide, said supporting elements lying opposite each other and being joined together in such a way that they can move together in the same direction.
    Type: Grant
    Filed: May 6, 1987
    Date of Patent: August 23, 1988
    Assignee: Stork PMT B.V.
    Inventors: Josephus A. van de Nieuwelaar, Petrus C. H. Janssen