Patents by Inventor Herbert S. Moser

Herbert S. Moser 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).

  • Barium-free Type I, Class B laboratory soda-alumina-borosilicate glass
    Patent number: 4386164
    Abstract: There is disclosed a barium-free Type I, Class B laboratory glass according to the standard specification set forth in ASTM E 438-80a having a linear coefficient of expansion (0.degree. to 300.degree. C., cm/cm-.degree.C..times.10.sup.-7) of about 48 to 56 and having a chemical durability, maximum titration equivalent of: 0.2N H.sub.2 SO.sub.4 /10 g of glass of 1.0 ml, the composition consisting essentially of the following ingredients in approximate percent by weight:______________________________________ Ingredient Percent ______________________________________ SiO.sub.2 70-74 B.sub.2 O.sub.3 9-13 Al.sub.2 O.sub.3 5-8 Na.sub.2 O 5-8 K.sub.2 O 0-4 CaO 0-3 MgO 0-1 ______________________________________the glass composition having an annealing point of about 550.degree. C. to 585.degree. C., a liquidus of about 1730.degree. F. to 1760.degree. F. and a Log n at the liquidus about 5.0 to 5.5.
    Type: Grant
    Filed: December 14, 1981
    Date of Patent: May 31, 1983
    Assignee: Owens-Illinois, Inc.
    Inventor: Herbert S. Moser