BRANCHED POLYMER DISPERSANTS
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United States of America Patent
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Issued Date -
Apr 19, 2012
app pub date -
Jun 22, 2010
filing date -
Jun 22, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to the use of a branched addition copolymer as a dispersant in a gaseous, liquid or solid formulation in a range of applications and branched addition copolymers suitable for same wherein the copolymer is obtainable by an addition polymerisation process, wherein said copolymer comprises: at least two chains which are covalently linked by a bridge other than at their ends; and wherein the at least two chains comprise at least one ethyleneically monounsaturated monomer, and wherein the bridge comprises at least one ethyleneically polyunsaturated monomer; and wherein the polymer comprises a residue of a chain transfer agent and wherein the mole ratio of polyunsaturated monomer(s) to monounsaturated monomer(s) is in a range of from 1:100 to 1:4; and wherein the branched copolymer dispersant contains anchoring, solubilising or stabilising moieties and wherein the resulting copolymer comprises at least 10% styrenic monomer, brancher or chain transfer agent.
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International Classification(s)
- A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
- A01N:PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLA....
- C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
- A23L:FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT....
- C10M:LUBRICATING COMPOSITIONS
- C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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