Patents by Inventor Madalina STEFAN

Madalina STEFAN 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).

  • Publication number: 20210179493
    Abstract: The invention relates to a process for the wet milling of slag, wherein more than 100 kWh of milling energy are introduced per metric ton of slag and the weight ratio of slag to water is 0.05-4:1 and from 0.005 to 2% by weight, based on the slag, of a milling auxiliary which comprises at least one compound selected from the group consisting of polycarboxylate ether, phosphated polycondensation product, lignosulfonate, melamine-formaldehyde sulfonate, naphthalene-formaldehyde sulfonate, monoglycols, diglycols, triglycols and polyglycols, polyalcohols, alkanolamine, amino acids, sugar, molasses and curing accelerators based on calcium silicate hydrate is added to the material being milled before or during the milling.
    Type: Application
    Filed: April 28, 2017
    Publication date: June 17, 2021
    Applicant: Construction Research & Technology GmbH
    Inventors: Peter SCHWESIG, Madalina STEFAN, Luc NICOLEAU, Alexander KRAUS
  • Patent number: 8657953
    Abstract: A cementitious material manufactured by a process including adding, after pyroprocessing, at least one desugared molasses to at least one cementitious and/or pozzolanic material during manufacture of the at least one cementitious and/or pozzolanic material. A method of manufacturing a cementitious material including adding, after pyroprocessing, at least one desugared molasses to at least one cementitious and/or pozzolanic material during manufacture of the at least one cementitious and/or pozzolanic material.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: February 25, 2014
    Assignee: Construction Research & Technology GmbH
    Inventors: Stephen A. Farrington, Madalina A. Stefan
  • Publication number: 20120325121
    Abstract: A cementitious material manufactured by a process including adding, after pyroprocessing, at least one desugared molasses to at least one cementitious and/or pozzolanic material during manufacture of the at least one cementitious and/or pozzolanic material. A method of manufacturing a cementitious material including adding, after pyroprocessing, at least one desugared molasses to at least one cementitious and/or pozzolanic material during manufacture of the at least one cementitious and/or pozzolanic material.
    Type: Application
    Filed: June 21, 2012
    Publication date: December 27, 2012
    Inventors: Stephen A. Farrington, Madalina A. Stefan