Compositions – Water-softening or purifying or scale-inhibiting agents
Reexamination Certificate
2011-05-17
2011-05-17
Conley, Sean E (Department: 1773)
Compositions
Water-softening or purifying or scale-inhibiting agents
C210S696000, C507S237000, C166S279000
Reexamination Certificate
active
07943058
ABSTRACT:
Tagged scale-inhibiting polymers, compositions comprised thereof and preventing or controlling scale formation therewith, the tagging units being units deriving from a monomer having the formula X2C═CYY′ wherein X is a hydrogen atom, or a C1-C4alkyl radical, Y is a hydrogen atom or a C1-C4alkyl radical, Y′ is a radical having formula -L-Arom, wherein L is a covalent bond or a divalent organic linking group optionally comprising heteroatoms, and Arom is a group comprising at least two conjugated aromatic rings, said rings comprising conjugated carbon atoms, and, linked to said carbon atoms, hydrogen atoms or other substituents.
REFERENCES:
patent: 6129906 (2000-10-01), Steventon
patent: 6312644 (2001-11-01), Moriarty et al.
patent: 2004/0170657 (2004-09-01), Morvan et al.
patent: 2004/0213854 (2004-10-01), Taisne et al.
patent: WO 01/81654 A13 (2001-11-01), None
patent: WO-03/002242 (2003-01-01), None
patent: WO-03/006148 (2003-01-01), None
International Search Report dated Jun. 7, 2006.
International Serach Report corresponding to PCT/EP 2004/006977, issued on Mar. 17, 2005, 2 page.
Chapon Pascal
Hills Emma
Buchanan Ingersoll & Rooney P.C.
Conley Sean E
Rhodia Chimie
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