Patent application number | Description | Published |
20090191135 | METHODS FOR THE DISPERSION OF WATER-SOLUABLE OR HYDROPHILIC SUBSTANCES IN A SUPERCRITICALLY PRESSURIZED FLUID - A method for encapsulating an active principle by dispersing the active principle in a supercritical fluid by adding a surfactant to the fluid. The surfactant is a block copolymer having at least one CO | 07-30-2009 |
20090306297 | PROCESS FOR PREPARING A COPOLYMER WITH CONTROLLED ARCHITECTURE, OF TELOMER OR BLOCK COPOLYMER TYPE, OBTAINED FROM VINYL PHOSPHONATE MONOMERS, BY IODINE TRANSFER POLYMERIZATION - The present invention relates to a process for synthesizing a copolymer having controlled architecture, comprising at least one block A obtained by the ITP polymerization of a mixture of ethylenically unsaturated monomers (A | 12-10-2009 |
20100240850 | IODINATED ORGANIC SUBSTANCES OF LOW MOLECULAR MASS AND PROCESS FOR PREPARING THEM - Process for preparing one or more iodinated organic substances having a molecular mass of less than 2000 (substances (S)) using (A) at least one free-radical-generating substance chosen from peroxides, diazo compounds, dialkyldiphenylalkanes, substances derived from tetraphenylethane, boranes and iniferter substances comprising at least one thiuram disulphide group, (B) an ethylenically unsaturated substance capable of adding a free radical to its ethylenic double bond, (C) molecular iodine, which comprises the steps according to which at least a fraction of (A), at least a fraction of (B) and at least a fraction of (C) are introduced into a reactor, and then the contents of the reactor are caused to react, while introducing therein the possible remainder of (A), the possible remainder of (B) and the possible remainder of (C), until a moment is reached when the content of the reactor is a mixture comprising one or more substances (S). Iodinated organic substances for whose preparation the abovementioned process is particularly well suited. | 09-23-2010 |
20100324234 | COPOLYCONDENSATION POLYMERIZATION OF FLUOROPOLYMERS - Fluorinated copolymers are prepared via copolycondensation polymerization in a process comprising reacting A) a telechelic fluoroazido compound of formula N | 12-23-2010 |
20110046316 | POLYMER CARBON NANOTUBE COMPOSITES - A method for forming polymer carbon nanotube composites, the method comprising: contacting carbon nanotubes with ozone to functionalize the sidewalls of the carbon nanotubes with at least one oxygen moiety; and reacting the functionalized carbon nanotubes with at least one monomer or at least one polymer or copolymer to attach polymer chains to the sidewalls of the carbon nanotubes. | 02-24-2011 |
20120136077 | FLUORINATED COPOLYMERS, MEMBRANES PREPARED USING THE LATTER AND FUEL CELL DEVICE INCLUDING SAID MEMBRANES - A fluorinated copolymer including at least one recurrent unit of the following formula (I): | 05-31-2012 |
20120165429 | NOVEL METHODS FOR PRODUCING THERMOSETTING EPOXY RESINS - The present application relates to a method for preparing epoxy resins from a mixture of epoxidized phenolic compounds, wherein said epoxidized phenolic compounds are obtained by the epoxidation of natural phenolic compounds selected from the group comprising simple phenol, acid-phenol, coumarin, naphthoquinone, stillbenoid, flavonoid, isoflavanoid, anthocyanin, condensed tannin and hydrolyzable tannin. | 06-28-2012 |
20120277396 | NOVEL PHENOLIC PLASTIC RESINS OBTAINED FROM PHENOLIC COMPOUNDS AND MACROMOLECULAR HARDENERS HAVING ALDEHYDE FUNCTIONS - A method for preparing a formaldehyde-free phenolic plastic resin, includes a step of preparing a hardener via careful oxidation of a polyol and a step of reacting the hardener with phenolic compounds. | 11-01-2012 |
20130123456 | Method for Functionalizing Natural Fatty Substances - The invention relates to a method for functionalizing natural fatty substances: According to said method, plant oils including at least two unsaturations and the derivatives thereof, fatty acids including at least one unsaturated compound and the derivatives thereof, and mixtures of same, are reacted with a thiol derivative of formula (I), at a temperature of between 0° C. and the temperature of total degradation of the natural fatty substance and in the presence of a thermal initiator compound or a redox initiator, or by UV radiation, or by UV radiation and in the presence of a photoinitiator. The invention also relates to the resulting functionalized fatty substances and to the use thereof for the preparation of polymers. The invention further relates to a method for preparing polymers from at least one functionalized fatty substance obtained by said functionalization method. | 05-16-2013 |
20140034651 | Metal-Oxide Nanofiller, Method for Synthesising Same, and Use Thereof in a Fluorocarbon-Resin Non-Stick Coating - Provided is a metal-oxide nanofiller including at least two graft chains, at least one of the chains being hydrophilic and the other being a hydrophobic chain compatible with fluorinated polymers. The hydrophobic chain is an oligomer, the weight-average molar mass Mw of which is between 300 and 20,000 g/mol | 02-06-2014 |
20140083636 | SHEET OF VEGETABLE WOOL FIBER IMPREGNATED WITH AN EXPOXIDIZED VEGETABLE OIL - A sheet of vegetable wool fiber is impregnated with a reactive mix made up of a partially or completely epoxidized vegetable oil and a hardener. The sheet can also be included in a panel. The method for manufacturing the sheet includes mixing an epoxidized vegetable oil and a hardener at a temperature higher than each one of the melting temperatures thereof and lower than each one of the breakdown temperatures thereof; and depositing the obtained mix on an assembly of vegetable wool fibers at a temperature higher than each one of the melting temperatures thereof and lower than each one of the breakdown temperatures thereof. | 03-27-2014 |
20140378648 | METHOD FOR PREPARING A COMPOUND COMPRISING AT LEAST ONE BETA-HYDROXY-URETHANE UNIT AND/OR AT LEAST ONE UPSILON-HYDROXY-URETHANE UNIT - The invention relates to a method for preparing a compound comprising at least one β-hydroxy-urethane unit and/or at least one γ-hydroxy-urethane unit, consisting in reacting a compound (A) comprising at least one cyclocarbonate reactive unit with a compound (B) comprising at least one amino reactive unit (—NH2) in the presence of a catalyst. The invention also relates to the use of a catalyst comprising at least one organometallic complex and a co-catalyst chosen from the group of Lewis bases and/or tetra-alkyl ammonium salts, in order to catalyse the method of the invention. The invention relates to the technical field of preparing urethane derivatives. | 12-25-2014 |