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US 11,897,984 B2Granted
Tagging agents, anti-scalant polymer compositions, and methods
AssigneeKemira Oyj
InventorsVesa Nuutinen, Erkki Johannes Metsälä, Reijo Aksela, Vesa Vuori, Mehrdad Hesampour
Life of this patent
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Abstract
Tagging agents, including fluorescent monomers, which may be polymerized. Anti-scalant polymer compositions that include a copolymer of a tagging agent and an anti-scalant monomer. Methods for synthesizing tagging agents, anti-scalant polymer compositions, and detecting an anti-scalant polymer composition.
Claims15
A polymer composition comprising:
- a copolymer comprising—
- (i) a first monomer selected from the group consisting of (a) a compound of Formula (I), (b) a compound of Formula (II), (c) a compound or isomer of Formula (III), and (d) a compound or isomer of Formula (IV), wherein the first monomer is a tagging monomer, and
- (ii) at least one second monomer comprising at least one polymerizable double bond or at least one polymerizable triple bond, wherein the at least one second monomer is a scale-inhibiting monomer;
- wherein R1, R2, R3, R4, R5, R6, R7, R8, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R33, R34, R35, R36, R37, R38, R39, R40, R41, R42, R43, and R44 are independently selected from the group consisting of hydrogen, hydroxyl, C1-C6 alkoxy, C2-C6 alkenoxy, C2-C6 alkynoxy, —N(R′)(R″), C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, and C4-C14 aryl,
- wherein R′ and R″ are independently selected from the group consisting of hydrogen and C1-C6 alkyl,
- wherein R9, R10, R31 and R32 are independently selected from the group consisting of hydrogen, hydroxyl, C1-C6 alkyl, and C1-C6 alkenyl,
- wherein y is a single bond or a double bond, and
- wherein z is a single bond or a double bond;
- wherein the isomers of Formula (III) comprise a compound of Formula (Illi), a compound of Formula (IIIii), a compound of Formula (IIIiii), or a combination thereof —
- and
- wherein the isomers of Formula (IV) comprise a compound of Formula (IVi), a compound of Formula (IVii), a compound of Formula (IViii), or a combination thereof—
8 more elements
A compound or isomer of Formula (I), Formula (II), Formula (III), or Formula (IV):
- wherein R1, R2, R3, R4, R5, R6, R7, R8, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R33, R34, R35, R36, R37, R38, R39, R40, R41, R42, R43, and R44 independently selected from the group consisting of hydrogen, hydroxyl, C1-C6 alkoxy, C2-C6 alkenoxy, C2-C6 alkynoxy, —N(R′)(R″), C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, and C4-C14 aryl;
- wherein R′ and R″ are independently selected from the group consisting of hydrogen and C1-C6 alkyl;
- wherein R9, R10, R31 and R32 are independently selected from the group consisting of hydrogen, hydroxyl, C1-C6 alkyl, and C1-C6 alkenyl;
- wherein y is a single bond or a double bond;
- wherein z is a single bond or a double bond;
- wherein the following compounds are excluded—
- (i) 3′,6′-dihydroxy-5H-spiro[furan-2,9′-xanthen]-5-one —
- and
- (ii) 9-methylene-9H-xanthene-3,6-diol—
- wherein the isomers of Formula (III) comprise a compound of Formula (IIIi), a compound of Formula (IIIii), a compound of Formula (IIIiii), or a combination thereof —
- and
- wherein the isomers of Formula (IV) comprise a compound of Formula (IVi), a compound of Formula (IVii), a compound of Formula (IViii), or a combination thereof—
9 more elements
Dependencies are inferred from the claim text.