Inventors:
Neal S. Berke - Chelmsford MA, US
Leslie A. Jardine - Burlington MA, US
Vijay Gupta - Woburn MA, US
Charles R. Cornman - Huntington Beach CA, US
Urszula B Latosiewicz - Arlington MA, US
Felek Jachimowicz - Brookline MA, US
Durga Subramanian - Lexington MA, US
Assignee:
W. R. Grace & Co.-Conn. - Columbia MD
International Classification:
C04B 22/00
Abstract:
Methods and compositions involving the use of nitrogen-containing coordinated metal compounds for stabilizing chromium VI reducing metal cations. Exemplary uses include processes for making cement, and exemplary compositions include cement additives, concrete admixtures, as well as hydratable cement and cementitous compositions.