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(11)    Patent No :    AP 2510    (73) Applicant(s)       
(21)    Application No :    AP/P/2009/004808    CYTEC TECHNOLOGY CORP., 300 Delaware Avenue,       
            Wilmington, Delware 19801,       
                   
(22)    Filing Date :    26.09.2007    United States of America       
(24)    Date of Grant &    21.11.2012           
                   
(45)    Publication :

(30)  Priority Data    (72) Inventors

    (33) Country    (31) Number    (32) Date    HEITNER Howard I, United States of America   
    US    60/829,411    13.10.2006    SPITZER Donald P, United States of America   
                   
                (74) Representative   
(84)    Designated State           
                   
    GH            HONEY & BLANCKENBERG   
                   
(51)    International    Classification    C02F 1/00 (2006.01)    C02F 5/00 (2006.01)   
            C02F 5/12 (2006.01)    C08G 73/02 (2006.01)   
            C23F 14/02 (2006.01)       

(54)    Title

Hydrophobically modified polyamine scale inhibitors

(57)    Abstract

Hydrophobically modified Si-containing polyamines are useful for treating scale in industrial process streams. Preferred hydrophobically modified Si-containing polyamines are particularly useful for treating aluminosilicate scale in difficult -to-treat industrial process streams, such as in the Bayer alumina process streams, nuclear waste streams and kraft paper mill effluent streams

(56)    Documents Cited :    US 2006/124553 A1    WO 96/33953 A    US 3251 852  A    US 5 415 782 A

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