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Section:	Main.POLYMERS.Living (Controlled) Polymerization.Radical Polymerization.Block CoPolymers.Xanthate based Technology.TriBlock CoPolymers..2 Ionic Blocks. 1 NonIonic Block..Patent..Claims.Claim 1: Aqueous Compn. Comprise:.Block CoPolymer (A) Comprise:.2 Anionic (or Cationic) Blocks &.1 NonIonic Block & Compd. (B).Select: Ions with > 2 Charges Etc..(B): Cationic if (A): Anionic Block.(B): Anionic if (A): Cationic Block.Amount of (A): such that Viscosity.of Compn. > 3 Times Viscosity of.(A) or (B) Alone. Claim 3: Gel..Claim 4: (A) is Linear CoPolymer;.Comb or Star CoPolymer; or.Dendritic or HyperBranched CoPol..Claim 5: (A): 2 Anionic Blocks..Claims 6,7: Anionic Unit Select:.(Meth)Acrylic Acid or Salts Etc..Claim 8: (A): 2 Cationic Blocks..Claim 9: Cationic Monomer Select:.AminoAlkyl (Meth)Acrylates Etc..Claim 10: NonIonic Monomer Select:.2-4C Alkylene Oxide Etc. Claim 11:.(A): Water-Soluble. Claim 12:.MW of NonIonic Block > 3 Times MW.of Ionic Block. Claims 13,14:.NonIonic Block Contg Hydrophilic.Units: >70 & >90% resp. Claims 15,.16: (A) Concn.=0.001-30 & 0.01-5%.resp. Claim 17: DiBlock Copolymer..Claim 32: Detergent; Cosmetic;.Oil Field; or Gas Field Compn..Patent Assignee
Code:	55331
Product:	France. R
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