Patents by Inventor Lawrence V. Gagin

Lawrence V. Gagin 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: 4177077
    Abstract: A glass composition having improved working properties and of particular utility for fiberization by the rotary or centrifugal process that does not employ conventional hot gas blast attenuation, into fibers exhibiting improved chemical durability, consisting essentially of: SiO.sub.2 ; CaO; B.sub.2 O.sub.3 ; Na.sub.2 O; Al.sub.2 O.sub.3 ; and ZnO; and small amounts of Fe.sub.2 O.sub.3, TiO.sub.2, K.sub.2 O, MgO and SO.sub.3.
    Type: Grant
    Filed: September 19, 1978
    Date of Patent: December 4, 1979
    Assignee: Johns-Manville Corporation
    Inventor: Lawrence V. Gagin