Patents by Inventor Mark A. Thorn

Mark A. Thorn 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).

  • Patent number: 5873461
    Abstract: A reclosable dispenser is provided which includes a receptacle, preferably a unitarily molded plastic thermoform, for holding dry goods such as cotton swabs and a reclosable lid hingedly attached to the receptacle. The lid has a cover substantially co-extensive with the open top of the receptacle and includes a cover with a flap extension at an end thereof oriented perpendicular to the cover. A slot in the flap extension lockingly receives a rigid tab formed along a flange atop a front wall of the receptacle. The tab and slot arrangement allows for easy opening but secure closure of the dispenser.
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: February 23, 1999
    Assignee: Chesebrough-Pond's USA Co., Division of Conopco, Inc.
    Inventors: James Turbett, Mark Thorn, Raymond Flaig
  • Patent number: 4454055
    Abstract: A dry, solid, water-swellable absorbent composition of matter is prepared by blending together (a) a water-insoluble absorbent polymer and (b) from 1 to 75%, by weight of the blend, of an extender material selected from uncrosslinked cellulose derivatives, starch, certain clays and minerals, or mixtures thereof. The composition is characterized by having an absorbency exceeding the sum of the absorbencies, calculated proportionately, of the individual components. In one preferred embodiment, the absorbent polymer is a water-swellable ionic complex of a water-soluble anionic polyelectrolyte and a polyvalent metal cation having a valence of at least three.
    Type: Grant
    Filed: August 25, 1980
    Date of Patent: June 12, 1984
    Assignee: National Starch and Chemical Corporation
    Inventors: Edward Richman, Mark A. Thorn
  • Patent number: 4264526
    Abstract: A process for the direct production of aminophenol and N-acetyl-p-aminophenol from nitrophenols using a borate ion additive during hydrogenation to eliminate undesirable by-products and color formation.
    Type: Grant
    Filed: July 2, 1979
    Date of Patent: April 28, 1981
    Assignee: Penick Corporation
    Inventors: Donald C. Ruopp, Mark A. Thorn