Patents Assigned to Produits Ballu-Schuiling S.A.
  • Process for the preparation of a conglomerate sand ANF product
    Patent number: 4312671
    Abstract: Process for the preparation of a foundry sand and the foundry sand composition which consists in mixing magnesium silicate and an arylsulphonic acid in aqueous medium as the binder.
    Type: Grant
    Filed: April 29, 1980
    Date of Patent: January 26, 1982
    Assignee: Produits Ballu-Schuiling S.A.
    Inventor: Paul H. R. Williame