Patents by Inventor Randall Dearth

Randall Dearth 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).

  • Coating compositions for glass substrates
    Patent number: 5852106
    Abstract: The present invention relates to aqueous polyurethane coating compositions wherein the binder containsa) a polyol component, which is soluble or dispersible in water and is the reaction product of a polyisocyanate component containing 50 to 100 wt. % of 4,4'-diisocyanatodicyclohexylmethane, a polyol component containing one or more polyether polyols and having an OH number of 25 to 350 mg KOH/g solids and an isocyanate-reactive component containing at least one group capable of salt formation andb) a polyisocyanate component, which is soluble or dispersible in water, has blocked isocyanate groups and is the reaction product of a polyisocyanate having an isocyanurate group content of 2 to 30 wt.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: December 22, 1998
    Assignee: Bayer Aktiengesselschaft
    Inventors: Oswald Wilmes, Beate Baumbach, Klaus Nachtkamp, Eberhard Konig, Randall Dearth, Manfred Bock, Wolfhart Wieczorrek