Title:
LIQUID ADDITIVE FOR INTERGRINDING CEMENT
Document Type and Number:
WIPO Patent Application WO2005076858
Kind Code:
A3
Abstract:
Exemplary compositions and methods for reducing hexavalent chromium in cementitious compositions involve the use of a liquid additive composition, comprising stannous chloride. Along with the stannous chloride may be used at least one co-additive comprising an antioxidant, oxygen scavenger, or mixture thereof, and/or at least one agent comprising a cement grinding aid, cement quality improver, or mixture thereof.
Inventors:
JARDINE LESLIE A (US)
CORNMAN CHARLES R (US)
CHUN BYONG-WA (US)
GUPTA VIJAY (US)
CORNMAN CHARLES R (US)
CHUN BYONG-WA (US)
GUPTA VIJAY (US)
Application Number:
PCT/US2005/003072
Publication Date:
December 29, 2005
Filing Date:
January 31, 2005
Export Citation:
Assignee:
GRACE W R & CO (US)
JARDINE LESLIE A (US)
CORNMAN CHARLES R (US)
CHUN BYONG-WA (US)
GUPTA VIJAY (US)
JARDINE LESLIE A (US)
CORNMAN CHARLES R (US)
CHUN BYONG-WA (US)
GUPTA VIJAY (US)
International Classes:
C04B22/12; C04B22/14; C04B40/00; (IPC1-7): C04B22/12
Foreign References:
| JPH06100343A | 1994-04-12 | |||
| EP0960865A1 | 1999-12-01 | |||
| US6649071B2 | 2003-11-18 | |||
| US5211853A | 1993-05-18 | |||
| US5951457A | 1999-09-14 |
Other References:
See also references of EP 1713739A4
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