| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 560171000 | Polycarboxylic acid | 9 |
| 20100010254 | METHOD OF PRODUCING OPTICALLY ACTIVE ALPHA-AMINO ACID BENZYL ESTERS - A method of is provided for producing optically active α-amino acid benzyl esters. The method includes reacting an optically active α-amino acid and benzyl alcohols in the presence of an acid, wherein the reaction is carried out under reduced pressure without substantially using a solvent, while distilling off water generated by the progress of the reaction. | 01-14-2010 |
| 20110251421 | Ester Prodrugs of Prostratin and Related Phorbol Compounds - The present disclosure provides analogs and derivatives of phorbol compounds for the treatment of viral infections, neoplastic diseases, inflammatory reactions, and use as analgesics. | 10-13-2011 |
| 20120046491 | PROCESS FOR THE PREPARATION OF A POWDER COMPRISING ONE OR MORE DERIVATIVES OF GLYCINE-N,N DIACETIC ACID AND /OR ONE OR MORE DERIVATIVES OF GLUTAMINE-N,N DIACETIC ACID AND METHYLGLYCINE-N,N DIACETIC ACID TRISODIUM SALT POWDER - A process is proposed for the preparation of a powder comprising one or more derivatives of glycine-N,N-diacetic acid and/or one or more derivatives of glutamine-N,N-diacetic acid with a degree of crystallinity of ≧30%, | 02-23-2012 |
| 20120149936 | METHOD FOR PRODUCING A CRYSTALLINE SOLID FROM GLYCINE-N,N-DIACETIC ACID DERIVATIVES WITH SUFFICIENTLY REDUCED HYGROSCOPICITY - The present invention relates to a process for preparing a crystalline solid from glycine-N,N-diacetic acid derivatives (e.g., MGDA) of sufficiently low hygroscopicity, which is characterized in that at least one crystalline compound of the formula I is introduced as seed, and a spray granulation is carried out with at least one compound of the formula I, preferably followed by a heat treatment. | 06-14-2012 |
| 20120302783 | PROCESS FOR PREPARING AMINOPOLYCARBOXYLATES - What is proposed is a process for preparing aminopolycarboxylates proceeding from the corresponding polyalkanolamines by oxidative dehydrogenation in the presence of a catalyst comprising 1 to 90% by weight of copper, based on the total weight of the catalyst, using a base, which comprises first performing a partial conversion of the polyalkanolamine to a reaction mixture comprising the aminopolycarboxylate at a temperature in the range from 140 to 180° C. until at least 10 to 90 mol % of the polyalkanolamine has been depleted, and then continuing the conversion at elevated temperature. | 11-29-2012 |
| 20130190526 | CATALYST RECOVERY PROCESS - The present invention relates to a method for recovering lanthanoid catalyst from the preparation of aspartic acid diethoxy succinate comprising contacting a carbonate source with a solution containing lanthanoid ions derived from said preparation and a chelating agent different from aspartic acid diethoxy succinate to precipitate lanthanoid carbonate followed by separating the precipitated lanthanoid carbonate from the solution. | 07-25-2013 |
| 20130204035 | PROCESS FOR THE PREPARATION OF A MIXTURE OF CHELATING AGENTS - The present invention relates to a process for the preparation of a mixture of aspartic acid diethoxy succinate and an amino acid derivative of the general formula (I) wherein n is 1-10, m is 0 or 1, and R is hydrogen or an alkali metal or alkaline earth metal ion, comprising reacting maleate with diethanol amine under alkaline conditions in the presence of a lanthanoid catalyst to form aspartic acid diethoxy succinate followed by adding aspartic acid which reacts with unreacted maleate to form imino disuccinic acid, i.e. an amino acid derivative of formula (I) wherein m is 0, or by adding a diamine derivative of the general formula (II) NH2(CH2)nNH2 wherein n is as defined above, which reacts with unreacted maleate to form an amino acid derivative of formula (I) wherein m is 1 and n is as defined above. | 08-08-2013 |
| 20140155646 | PROCESS FOR THE PREPARATION OF A POWDER COMPRISING ONE OR MORE DERIVATIVES OF GLYCINE-N,N DIACETIC ACID AND /OR ONE OR MORE DERIVATIVES OF GLUTAMINE-N,N DIACETIC ACID AND METHYLGLYCINE-N,N DIACETIC ACID TRISODIUM SALT POWDER - A process is proposed for the preparation of a powder comprising one or more derivatives of glycine-N,N-diacetic acid and/or one or more derivatives of glutamine-N,N-diacetic acid with a degree of crystallinity of a ≧30%,
| 06-05-2014 |
| 20160075635 | VIVO GELLING PHARMACEUTICAL PRE-FORMULATION - Provided herein are in vivo gelling pharmaceutical pre-formulations forming biocompatible hydrogel polymers that are polymerized in vivo and kits comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and optionally at least one therapeutic agent. The biocompatible hydrogel polymer is bioabsorbable and releases the therapeutic agent at a target site, avoiding systemic exposure. | 03-17-2016 |
