| CLARIANT SPECIALTY FINE CHEMICALS (FRANCE) Patent applications |
| Patent application number | Title | Published |
|---|
| 20110034726 | Process Of Preparation Of Optically Active Alpha Aminoacetals - The invention relates to a process for preparing optically active α-aminoacetals by resolution of a racemic mixture or of a mixture of enantiomers via the formation of diastereoisomeric salts, and also novel intermediates in the form of diastereoisomeric salts. | 02-10-2011 |
| 20110012056 | Process Of Preparation Of Glyoxylic Acid Aqueous Solution - The invention relates to a method for preparing an aqueous solution of glyoxylic acid by oxidation of an aqueous solution of glyoxal with oxygen or a gas containing oxygen, in the presence of a catalytic quantity of nitric acid and/or at least one nitrogen oxide, a strong acid not oxidizing glyoxal, and by maintaining conditions satisfying the equation K | 01-20-2011 |
| 20100324342 | PROCESS FOR THE SYNTHESIS OF POLYHYDROXYSTILBENE COMPOUNDS - The invention relates to a process for the synthesis of stilbene derivatives of formula (I)-(E) or (I)-(Z) | 12-23-2010 |
| 20100312011 | Process Of Separation Of Glyoxylic Acid From An Aqueous Reaction Medium Containing Glyoxylic Acid And Hydrochloric Acid - The invention relates to a process for separating glyoxylic acid starting from an aqueous reaction medium containing glyoxylic acid and hydrochloric acid, comprising a step of countercurrent steam stripping of the reaction medium in order to obtain, on the one hand, a gas phase containing the volatile hydrochloric acid and, on the other hand, a liquid phase containing the purified glyoxylic acid. | 12-09-2010 |
| 20100288004 | Metal Complexes Comprising A Ligand Derived From 2-Aryl-2-Hydroxyacetic Acid And A Divalent Or Trivalent Metal Cation, And Their Use - The invention relates to the use of metal complexes comprising a ligand derived from 2-aryl-2-hydroxyacetic acid and a divalent or trivalent metal cation and to the use of the said ligands in dissolving divalent or trivalent metal cations in aqueous phase. | 11-18-2010 |
| 20100247941 | Aminoplast Or Phenoplast Resin Based On At Least One Glyoxal Monoacetal And On Glyoxylic Acid, And Its Uses - The invention relates to aminoplast or phenoplast resins comprising the reaction product of the following compounds:
| 09-30-2010 |
| 20100152490 | Process Of Racemisation Of Optically Active Alpha Aminoacetals - The invention relates to a process for preparing α-aminoacetals substantially in racemic form, comprising a step of oxidizing optically enriched α-aminoacetals to the corresponding oximes, in the presence of a catalyst, and a step of reducing the oximes thus obtained. | 06-17-2010 |
| 20100137633 | Process For Deacetalisation Of Alpha Aminoacetals - The invention relates to a process for the preparation of N-protected α-aminoaldehydes by deacetalization of the acetal functional group of corresponding N-protected α-aminoacetals using formic acid. | 06-03-2010 |
| 20100004483 | Novel Process For The Synthesis Of (E)-Stilbene Derivatives Which Makes It Possible To Obtain Resveratrol And Piceatannol - A subject-matter of the present invention is a novel process for the synthesis of (E)-stilbene derivatives targeted at obtaining in particular resveratrol and piceatannol. | 01-07-2010 |
