Durrieu

Marie-Christine Durrieu, Villenave D'Ornon FR

Patent application number	Description	Published
20090123555	Stimulateable Polymer Particles Exhibiting Reactive Functions, Method for the Production and the Use Thereof - The invention relates to spherical particles formed by polymer chains containing approximately from 30 to 10000 monomer units derived from monocyclic polycyclic alkene polymerization, wherein at least one monomer unit is substituted by an R chain including ethylene polyoxide which is optionally covalently linked to the polymer units through a hydrolyzable bridge and substituted by a reactive function, optionally engaged in a link with an active principle or a biological molecule such as protein, wherein the chain R is covalently linked to the monomer units. The use of the inventive spherical particles for preparing pharmaceutical and cosmetic compositions or surface coatings is also disclosed.	05-14-2009

Patent application number	Description	Published
20100145318	Method and Device for Changing the pH of a Solution - The invention relates to a device (	06-10-2010

Patent application number	Description	Published
20090120082	Chemical Activation of an Actuator or an Osmotic Motor - An actuator comprising an enclosure having a wall impermeable to a first solute and permeable to a solvent and containing, at least temporarily, a catalyst capable of promoting the transformation of at least one second solute into the first solute to vary the osmotic pressure in the enclosure; and a deformable chamber connected to the enclosure, said chambre being capable of increasing in volume under the action of the solvent moving from the enclosure into the chamber by osmosis or said enclosure being designed to be arranged in contact with the solvent, said chamber being capable of increasing in volume under the action of the solvent penetrating into the enclosure by osmosis.	05-14-2009