Patent ID: 9309137
Filing Date: 2016-04-12
CPC Classification: C02F,C09K,E21B,G01N

Claim Text:
1. A water treatment solution for inhibiting scale formation, comprising: a scale inhibiting (co)polymer including an imidazole moiety, comprising at least one scale inhibiting polymerized monomer selected from the group consisting of acrylic acid; vinyl sulfonic acid or vinyl sulfonate salts; vinyl phosphoric acid or vinyl phosphonate salts; vinylidene diphosphonic acid or salts thereof; methacrylic acid; vinyl acetate; vinyl alcohol; vinyl chloride; unsaturated mono- or di-carboxylic acids or anhydrides; vinyl chloride; styrene-p-sulfonic acid, or styrene sulfonates salts; acrylamido-2-methylpropanesulfonic acid (AMPS); hydroxyphosphonoacetic acid (HPA); hypophosphorus acids acrylamides, propargyl alcohol having formula HC≡C—CH wherein R, R