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1. (WO2007080286) COATED IRON SULPHATE PARTICLES AND THEIR USE IN THE PREPARATION OF CEMENTS
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2007/080286 International Application No.: PCT/FR2006/002759
Publication Date: 19.07.2007 International Filing Date: 15.12.2006
IPC:
C04B 20/10 (2006.01) ,C04B 22/14 (2006.01) ,C04B 28/02 (2006.01) ,C01G 49/14 (2006.01) ,C09C 1/22 (2006.01)
C CHEMISTRY; METALLURGY
04
CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
B
LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
20
Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/-C04B18/159; Treatment of materials according to more than one of the groups C04B14/-C04B18/116; Expanding or defibrillating materials
10
Coating or impregnating
C CHEMISTRY; METALLURGY
04
CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
B
LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
22
Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators
08
Acids or salts thereof
14
containing sulfur in the anion, e.g. sulfides
C CHEMISTRY; METALLURGY
04
CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
B
LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
28
Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
02
containing hydraulic cements other than calcium sulfates
C CHEMISTRY; METALLURGY
01
INORGANIC CHEMISTRY
G
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F94
49
Compounds of iron
14
Sulfates
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES; PREPARATION OF CARBON BLACK
1
Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
22
Compounds of iron
Applicants: MORIN, Vincent[FR/FR]; FR (UsOnly)
DEBEGNAC, Hélène[FR/FR]; FR (UsOnly)
BIOSA, Marc[FR/FR]; FR (UsOnly)
LAFARGE[FR/FR]; 61 rue des Belles Feuilles F-75116 PARIS, FR (AllExceptUS)
Inventors: MORIN, Vincent; FR
DEBEGNAC, Hélène; FR
BIOSA, Marc; FR
Agent: MERIGEAULT, Shona; Lafarge SA Département Propriété Intellectuelle 95, rue de Montmurier F-38290 Saint Quentin Fallavier, FR
Priority Data:
051293220.12.2005FR
Title (EN) COATED IRON SULPHATE PARTICLES AND THEIR USE IN THE PREPARATION OF CEMENTS
(FR) PARTICULES DE SULFATE DE FER ENROBEES ET LEUR UTILISATION DANS LA PREPARATION DE CIMENTS
Abstract:
(EN) The invention relates to a cement comprising coated particles, the said coated particles comprising: (a) a core comprising iron sulphate and/or tin sulphate and/or manganese sulphate; and (b) a shell comprising alginic acid or a derivative thereof.
(FR) L'invention concerne un ciment comprenant des particules enrobées, lesdites particules enrobées comprenant: (a) un cœur comprenant du sulfate de fer et / ou du sulfate d'étain et / ou du sulfate de manganèse; et (b) une enveloppe comprenant de l'acide alginique ou l'un de ses dérivés.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: French (FR)
Filing Language: French (FR)