Patents by Inventor Stanley M. Ohlberg

Stanley M. Ohlberg 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).

  • Flat glass composition with improved melting and tempering properties
    Patent number: 5071796
    Abstract: A glass composition particularly suitable for flat glass manufacture having lower melting temperature, wide working range, improved surface durability, and enhanced tempering performance has the following composition:______________________________________ SiO.sub.2 66.0-69.1 weight percent Al.sub.2 O.sub.3 2.0-4.0 (SiO.sub.2 + Al.sub.2 O.sub.3) Less than 71.6 Na.sub.2 O 15-19 K.sub.2 O 0-2 (Na.sub.2 O + K.sub.2 O) 15-20 CaO 7.5-9 MgO 2-4 (CaO + MgO) 10.2-12.0 (CaO/MgO) 1.9-3.5 ______________________________________ .
    Type: Grant
    Filed: August 14, 1989
    Date of Patent: December 10, 1991
    Assignee: PPG Industries, Inc.
    Inventors: James V. Jones, Stanley M. Ohlberg
  • Pyrolytic deposition of a cobalt/tin oxide spinel film
    Patent number: 4308319
    Abstract: Pyrolytic deposition of a durable, uniform, electrically nonconductive solar energy reflecting spinel-type film from an aqueous solution of a water soluble cobalt salt and a water soluble tin compound is disclosed.
    Type: Grant
    Filed: June 9, 1980
    Date of Patent: December 29, 1981
    Assignee: PPG Industries, Inc.
    Inventors: Joseph E. Michelotti, Stanley M. Ohlberg