Patents by Inventor Frederic Bouchaud

Frederic Bouchaud 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).

  • Martensitic Stainless Steel for Injection Moulds and Injection Mould Frames
    Publication number: 20080069719
    Abstract: The invention concerns mould or mould frame parts for plastic material injection moulding made of quenched and tempered martensitic stainless steel consisting, in wt. %, of: 0.02%=C=0.09%, 0.025%=N=0.12% with 0.05%=C+N=0.17%; Si=0.34% Al=0.080% with Si+23 Al=0.20% and Si+0.6 Al=0.25%; and 0.00025=AI×N=0.0020 0; 0.55%=Mn=1.8%; 11.5%=Cr=16% optionally up to 0.48% of copper, up to 0.90% of the sum Mo+W/2, up to 0.90% of nickel, up to 0.090% of vanadium, up to 0.090% of niobium, up to 0.025% of titanium, optionally up to 0.25 of sulphur, the rest being iron and impurities derived from preparation, the composition further satisfying the condition: 6.5=F?(Cr+Mo)+2(Si+V+Nb)?27(C+N)?(Ni+Mn/2+Cu/3)=13.
    Type: Application
    Filed: July 6, 2005
    Publication date: March 20, 2008
    Applicant: Industeel Creusot
    Inventors: Jean Beguinot, Frederic Bouchaud, Jean Pisseloup