Patents Assigned to Teck Corporation
  • Zinc alloy coated press-hardenable steels and method of manufacturing the same
    Patent number: 11913118
    Abstract: The present disclosure relates to coated steel strip providing the steel with cathodic protection before and after the steel is press hardened or hot formed at a high austenitization temperature up to 950° C. The coating of the coated steel strip comprises zinc, aluminum, and at least one element selected from manganese (Mn) and/or antimony (Sb).
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: February 27, 2024
    Assignees: NUCOR CORPORATION, TECK METALS LTD.
    Inventors: Weiping Sun, Nan Gao, Yihui Liu
  • Process for recovering pyrochlore mineral containing niobium and tantalum
    Patent number: 4493817
    Abstract: Niobium and tantalum containing pyrochlore is recovered from high silicate gangue content ore with good selectivity and yield employing collectors of formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are independently 8 to 16 carbon straight or branched chain alkyl groups, at pH 1.5 to 6.5.
    Type: Grant
    Filed: July 6, 1983
    Date of Patent: January 15, 1985
    Assignees: Teck Corporation, Soquem-Societe Quebecoise d'Exploration Miniere
    Inventor: Rudy Biss