Patents by Inventor W. Duane Amundson, Jr.

W. Duane Amundson, Jr. 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).

  • Light pink glassware
    Patent number: 5681782
    Abstract: A transparent glass exhibiting a light pink color, the glass, as analyzed, consisting essentially of 12-34 ppm selenium in conjunction with a co-colorant selected from a group consisting of 1.5-7 ppm cobalt oxide calculated as Co.sub.3 O.sub.4 and 500-700 ppm neodymium oxide in a soda lime silicate base glass that contains as impurities no more than about 700 ppm MnO.sub.2 and 500 ppm Fe.sub.2 O.sub.3.
    Type: Grant
    Filed: January 2, 1997
    Date of Patent: October 28, 1997
    Assignee: Corning Incorporated
    Inventor: W. Duane Amundson, Jr.
  • Light blue glassware
    Patent number: 5674791
    Abstract: A transparent glass exhibiting a blue color, the glass, as analyzed, consisting essentially of 100-250 ppm copper oxide in conjunction with a co-colorant of 5-15 ppm cobalt oxide, calculated as Co.sub.3 O.sub.4, in a soda lime silicate base glass that contains as impurities no more than 500 ppm MnO.sub.2 and 500 ppm Fe.sub.2 O.sub.3.
    Type: Grant
    Filed: January 2, 1997
    Date of Patent: October 7, 1997
    Assignee: Corning Incorporated
    Inventor: W. Duane Amundson, Jr.
  • Light green glassware
    Patent number: 5670433
    Abstract: A transparent glass exhibiting a light green color, the glass, as analyzed, consisting essentially of 40-200 ppm chromium oxide in a soda lime silicate base glass that contains as impurities no more than about 400 ppm MnO.sub.2 and 500 ppm Fe.sub.2 O.sub.3.
    Type: Grant
    Filed: January 2, 1997
    Date of Patent: September 23, 1997
    Assignee: Corning Incorporated
    Inventor: W. Duane Amundson, Jr.
  • Champagne colored glasses
    Patent number: 5436206
    Abstract: This invention is directed to the production of a transparent glass which, in a thickness of 4 mm, exhibits a champagne color as defined by chromaticity coordinates (Illuminant C) within the ranges______________________________________ x 0.3166-0.3281 y 0.3211-0.3305 Y 77-88, ______________________________________said glass consisting essentially, by weight, of 0.05-0.25% iron oxide, expressed in terms of Fe.sub.2 O.sub.3, >25-175 ppm nickel oxide, expressed in terms of NiO, and >10-100 ppm Se in a soda lime silicate base composition.
    Type: Grant
    Filed: June 10, 1994
    Date of Patent: July 25, 1995
    Assignee: Corning Incorporated
    Inventor: W. Duane Amundson, Jr.
  • Burgundy colored glassware
    Patent number: 5204293
    Abstract: A transparent glass exhibiting a burgundy color, and glassware molded therefrom, the glass consisting essentially of 0.3 to 2.2% by weight of manganese oxide, calculated as MnO.sub.2, in a soda lime silicate base glass, exhibiting chromaticity coordinates (Illuminant C) falling within the rangesx=0.3200 to 0.3700y=0.3300 to 0.3080Cap Y=25 to 72 and having impurity levels for NiO and Fe.sub.2 O.sub.3 not exceeding 100 ppm and 500 ppm, respectively.
    Type: Grant
    Filed: August 23, 1991
    Date of Patent: April 20, 1993
    Assignee: Corning Incorporated
    Inventors: W. Duane Amundson, Jr., Robert M. Morena
  • Colored glass-ceramics
    Patent number: 5070043
    Abstract: A color package is disclosed that provides a light beige tint in potassium fluorrichterite glass-ceramic materials containing a cristobalite secondary crystal phase. The package includes Fe.sub.2 O.sub.3, NiO, Se and, optionally, cobalt oxide within limited ranges.
    Type: Grant
    Filed: October 26, 1990
    Date of Patent: December 3, 1991
    Assignee: Corning Incorporated
    Inventors: W. Duane Amundson, Jr., Jaroslava M. Nigrin
  • Beige-tinted glass-ceramics
    Patent number: 4977110
    Abstract: This invention relates to the production of opaque, beige-tinted glass-ceramic articles consisting essentially, in weight percent, of______________________________________ SiO.sub.2 66-70 TiO.sub.2 3.5-5.5 Al.sub.2 O.sub.3 16.5-19.5 CeO.sub.2 1.5-2.75 Li.sub.2 O 2-4 As.sub.2 O.sub.3 0-1.5 MgO 1-5 F 0-1.2 ZnO 0.5-2 ZrO.sub.2 0-2.5 Na.sub.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: December 11, 1990
    Assignee: Corning Incorporated
    Inventors: W. Duane Amundson, Jr., Heather Boek, George B. Hares, Robert W. Pfitzenmaier