Patents by Inventor Joseph A. Check, III

Joseph A. Check, III 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).

  • TOPICAL GLUCOCORTICOSTEROID FORMULATIONS
    Publication number: 20100130460
    Abstract: Disclosed are topical formulations comprising an androstane steroid, propylene glycol, and benzyl alcohol in an amount effective to dissolve the androstane steroid compound, wherein the amount of benzyl alcohol is not effective to act as a penetration enhancer. The formulations are useful for the treatment of inflammatory and/or pruritic manifestations of corticosteroid-responsive dermatoses.
    Type: Application
    Filed: December 8, 2006
    Publication date: May 27, 2010
    Applicant: Nycomed US Inc.
    Inventors: Brian Albano, Robert J. Anderson, Joseph A. Check, III, Weldon Crow
  • Light modulating film of improved UV stability for a light valve
    Patent number: 5728251
    Abstract: An improved process for making a light valve includes cross-linking and curing an SPD light valve film carried by a substrate while the film is uncovered and then laminating a second substrate to the uncovered surface of the cured SPD light valve film.
    Type: Grant
    Filed: September 27, 1995
    Date of Patent: March 17, 1998
    Inventor: Joseph A. Check, III
  • Method of making light-polarizing particles
    Patent number: 5516463
    Abstract: A method of making crystals of a light-polarizing material useful in a liquid light valve suspension with the addition of controlled amounts of water relative to the amount of reactants used in making the particles of the light-polarizing material.
    Type: Grant
    Filed: July 8, 1994
    Date of Patent: May 14, 1996
    Assignee: Research Frontiers Incorporated
    Inventors: Joseph A. Check, III, Steven M. Slovak, Robert I. Thompson
  • Light valve suspensions and films containing UV absorbers and light valves containing the same
    Patent number: 5467217
    Abstract: Light valve suspensions and light valve films are provided with a UV absorber.
    Type: Grant
    Filed: May 11, 1993
    Date of Patent: November 14, 1995
    Assignee: Research Frontiers Incorporated
    Inventors: Joseph A. Check, III, Robert L. Saxe, Robert I. Thompson, Matthew Forlini, Steven M. Slovak
  • Light modulating film of improved clarity for a light valve
    Patent number: 5463492
    Abstract: A film suitable for use as the light modulating unit of a light valve comprises a cross-linked polymer matrix having droplets of a liquid light valve suspension distributed in the cross-linked polymer matrix, and a light valve comprising such a film.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: October 31, 1995
    Assignee: Research Frontiers Incorporated
    Inventor: Joseph A. Check, III
  • Light valve employing a film comprising an encapsulated liquid suspension, and method of making such film
    Patent number: 5463491
    Abstract: A film suitable for use as the light modulating unit of a light valve comprises a cross-linked polymer matrix having droplets of a liquid light valve suspension distributed in the cross-linked polymer matrix, and a light valve comprising such a film.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: October 31, 1995
    Assignee: Research Frontiers Incorporated
    Inventor: Joseph A. Check, III
  • Light valve suspensions containing a trimellitate or trimesate and light valves containing the same
    Patent number: 5461506
    Abstract: A light valve suspension contains a trialkyl trimellitate and/or trimesate and is used as such as the light modulating element of a light valve or droplets thereof are distributed in a light valve film used as the light modulating element of a light valve.
    Type: Grant
    Filed: May 11, 1993
    Date of Patent: October 24, 1995
    Assignee: Research Frontiers Inc.
    Inventors: Joseph A. Check, III, Robert L. Saxe, Robert I. Thompson
  • Light-polarizing material based on ethylenediamine polyacetic acid derivatives
    Patent number: 5093041
    Abstract: Light-polarizing materials, and uses thereof in liquid suspensions, set suspensions and light valves.
    Type: Grant
    Filed: July 30, 1990
    Date of Patent: March 3, 1992
    Assignee: Research Frontiers Incorporated
    Inventors: Joseph A. Check, III, Robert L. Saxe