Patent application number | Description | Published |
20100273994 | HYBRID COMPOUNDS CONTAINING POLYSACCHARIDE(S) AND AT LEAST ONE POLYOXYALKYLENE, METHOD FOR PREPARING SAME, AND APPLICATIONS THEREOF - The invention relates to novel hybrid compounds containing at least one polysaccharide entity (PS), such as guar, in which at least one hydroxyl function is substituted by at least one A polyoxyalkylene entity (PEG). The swivel Ro between the entity PS and the entity A is obtained by click chemistry and has the following formula (II.1) or (II.2), in which Z is a carbon or nitrogen atom. These hybrid compounds can be used as emulsifiers, particularly in cosmetics. | 10-28-2010 |
20110009552 | COLLOIDAL DISPERSIONS OF INORGANIC PARTICLES IN LIQUID PHASES COMPRISING AMPHOLYTIC COPOLYMERS - Colloidal dispersions of inorganic particles in a liquid phase include ampholytic copolymers containing at least one macromolecular chain B and a moiety A bonded to a single end thereof and in which the macromolecular chain B includes cationic units Bc, deriving from cationic monomers Bc and the moiety A is a polymeric or non-polymeric group containing at least one anionic or potentially anionic group; such dispersions may have a positive zeta potential within a pH ranging from 1 to 11. | 01-13-2011 |
20110130321 | HEAT-SENSITIVE EMULSIONS - The invention relates to heat-sensitive emulsions that can be destabilized by increasing the temperature. The emulsions include a copolymer with amphiphilic blocks. | 06-02-2011 |
20130267661 | Preparation of Hydrophilic Polymers of High Mass by Controlled Radical Polymerization - The present invention concerns a process for preparing a polymer comprising at least one gel polymerization step (E) in which the following are contacted:
| 10-10-2013 |
20140378617 | Preparation of Amphiphilic Block Polymers by Controlled Radical Micellar Polymerisation - The present invention relates to the preparation of block copolymers, which can be used in particular as rheology agents, suitable, inter alia, for oil extraction, comprising a step of radical micellar polymerisation wherein the following are brought into contact in an aqueous medium: —hydrophilic monomers, dissolved or dispersed in the aqueous medium; —hydrophobic monomers in the form of a micellar solution, i.e. containing, in a dispersed state, micelles comprising these hydrophobic monomers; —at least one radical polymerisation initiator; and —at least one radical polymerisation control agent. The polymers obtained according to the invention can be used in particular for enhanced oil recovery (EOR). | 12-25-2014 |
20150057411 | Controlled radical polymerization in water-in-water dispersion - The present invention relates to a method for preparing an aqueous dispersion of water-soluble polymers, which comprises a step (E) of radical polymerization, wherein the following are brought into contact in an aqueous medium (M) in which the synthesised polymer is not soluble:
| 02-26-2015 |