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(11)    Patent No :    AP 1909   
(21)    Application No :    AP/P/2004/003063   
(22)    Filing Date :    16.06.2004   
(24)    Date of Grant &    28.10.2008   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
FR    0307180    16.06.2003

(84)    Designated State

(73) Applicant(s)

ATOFINA, 4/8 cours Michelet, La Defense 10, 92800, Puteaux,
France

(72) Inventors

ANGLEROT Didier, France

COMMARIEU Annie, France

AUBERT Thierry, France

et al

(74) Representative

GALLOWAY & COMPANY
 

(51)  International  Classification   B03D 1/004 (2006.01)    B03D 1/008 (2006.01)
B03D 1/012 (2006.01)   


(54)    Title

Composition formed of mercaptans which can be used in a process for the floatation of ores.

(57)    Abstract

There is provided a composition for the use in a flotation of ores, comprising:

-    from 70 to 95% of a combination (A) of n-dodecyl mercaptan (or NDM)

and
of tert -dodecyl mercaptan (or TDM), the NDM/TDM ratio by weight of which

is
between 0.5 and 1.5, and

- from 5 to 30% of a product (B) composed of one or more aromatic or aliphat ic compounds comprising from 4 to 100 preferably from 5 to 40,

carbon atoms, and having one or two -OH groups.


(56)    Documents Cited :    EP 0 038 076 A   WO 00 09268 A   FR 1 011 166 A

 

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