Granted Patent
Utility
US 6,572,674 · App. 09/499,293
Process for the treatment of steel work gases
Inventors:
Pascal Avart, Jérôme Girard, Geneviéve Mure, Emmanuel Pousset
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Feb 7, 2000
Inventors
Pascal Avart
Jérôme Girard
Geneviéve Mure
Emmanuel Pousset
Assignee (at issue)
L'Air Liquide, Société Anonyme à Directoire et Conseil de Surveillance pour l'Étude et l'Exploitation des Procédés Georges Claude
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.