Patents by Inventor Hachemi Loucif

Hachemi Loucif 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).

  • Austenitic iron and an iron product
    Patent number: 8119063
    Abstract: High-alloy austenitic stainless steels that are extra resistant to pitting and crevice corrosion in aggressive, chloride-containing solutions have a tendency for macro-segregation of Mo, at solidification of the melt. This problem is solved by a super austenite stainless steel having the following composition, in % by weight: max 0.03 C, max 0.5 Si, max 6 Mn, 28-30 Cr, 21-24 Ni, 4-6% (Mo+W/2), the content of W being max 0.7, 0.5-1.1 N, max 1.0 Cu, balance iron and impurities at normal contents originating from the production of the steel.
    Type: Grant
    Filed: December 28, 2005
    Date of Patent: February 21, 2012
    Assignee: Outokumpu Oyj
    Inventors: Hachemi Loucif, Mats Liljas
  • Austenitic Steel and a Steel Product
    Publication number: 20080095656
    Abstract: High-alloy austenitic stainless steels that are extra resistant to pitting and crevice corrosion in aggressive, chloride-containing solutions have a tendency for macro-segregation of Mo, at solidification of the melt. This problem is solved by a super austenite stainless steel having the following composition, in % by weight: max 0.03 C, max 0.5 Si, max 6 Mn, 28-30 Cr, 21-24 Ni, 4-6% (Mo+W/2), the content of W being max 0.7, 0.5-1.1 N, max 1.0 Cu, balance iron and impurities at normal contents originating from the production of the steel.
    Type: Application
    Filed: December 28, 2005
    Publication date: April 24, 2008
    Applicant: OUTOKUMPU OYJ
    Inventors: Hachemi Loucif, Mats Liljas