Patents by Inventor Udo Dudda

Udo Dudda 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).

  • Binder made of blast-furnace slag
    Patent number: 9266775
    Abstract: A binder for construction materials containing a ground granulated blast furnace slag and at least one mono-, di- or trivalent metal salt chosen from bismuth, copper, silver or tin salts. The salt is capable of forming, during mixing with said slag, a metal sulfide for which the solubility product KSP, measured at 25° C., is less than 10?10.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: February 23, 2016
    Assignee: SAINT-GOBAIN WEBER
    Inventors: Frank Hesselbarth, Udo Dudda
  • BINDER MADE OF BLAST-FURNACE SLAG
    Publication number: 20150299037
    Abstract: A binder for construction materials containing a ground granulated blast furnace slag and at least one mono-, di- or trivalent metal salt chosen from bismuth, copper, silver or tin salts. The salt is capable of forming, during mixing with said slag, a metal sulfide for which the solubility product KSP, measured at 25° C., is less than 10?10.
    Type: Application
    Filed: July 17, 2013
    Publication date: October 22, 2015
    Applicant: SAINT-GOBAIN WEBER
    Inventors: Frank HESSELBARTH, Udo DUDDA
  • Construction materials binders
    Patent number: 8932402
    Abstract: Hydraulic binder comprising: at least one first calcium aluminosilicate derivative with a fineness of less than 6000 Blaine, slag microparticles with a fineness of greater than or equal to 6000 Blaine in an amount of between 1 and 35% of the total weight of the binder, preferably of between 5 and 15%, at least one source of calcium sulphate and at least one base in an amount of less than or equal to 1% of the total weight of the binder.
    Type: Grant
    Filed: October 27, 2010
    Date of Patent: January 13, 2015
    Assignee: Saint-Gobain Weber
    Inventors: Frank Hesselbarth, Udo Dudda
  • CONSTRUCTION MATERIALS BINDERS
    Publication number: 20120216721
    Abstract: Hydraulic binder comprising: at least one first calcium aluminosilicate derivative with a fineness of less than 6000 Blaine, slag microparticles with a fineness of greater than or equal to 6000 Blaine in an amount of between 1 and 35% of the total weight of the binder, preferably of between 5 and 15%, at least one source of calcium sulphate and at least one base in an amount of less than or equal to 1% of the total weight of the binder.
    Type: Application
    Filed: October 27, 2010
    Publication date: August 30, 2012
    Applicant: Saint-Gobain Weber
    Inventors: Frank Hesselbarth, Udo Dudda