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| Number | Title | Issue Date |
| 8119837 | Process for producing methionine A process for producing methionine, while corrosion of a pipe and a reaction vessel is well inhibited, is provided including the following steps (1) to (3), wherein a content of thiols in 3 -methylthiopropanal is 500 ppm or less, based on the propanal,... | 02/21/2012 |
| 8119836 | Derivatives of seleno-amino acids Derivatives of seleno-alpha amino acids, particularly selenomethionine as enhanced bioavailable sources of selenium in animal diets. ... | 02/21/2012 |
| 8106237 | Process for producing methionine The present invention provides a process for producing methionine, which comprises steps of: hydrolyzing 5-[2-(methylthio)ethyl]imidazolidine-2,4-dione in the presence of a basic potassium compound in a non-stirred continuous first... | 01/31/2012 |
| 8101797 | Process for producing methionine A process for producing methionine advantageously in view of cost, while efficiently recovering useful components, is provided including the following steps: (1) hydrolyzing 5-[2-(methylthio)ethyl]imidazolidine-2,4-dione in the presence of a basic potassium compound... | 01/24/2012 |
| 7884240 | Method for production of methionine from homoserine The invention relates to a method for production of D- and/or L-methionine via D- and/or L-homoserine with subsequent chemical transformation to give methionine. ... | 02/08/2011 |
| 7635787 | Process for producing methionine A process for producing methionine by hydrolysis of 5-(β-methylmercaptoethyl)hydantoin in the presence of an alkali, in which the concentration of hydrogen sulfide is 5 ppm or less in a solution used for hydrolysis comprising 5-(β-methylmercaptoethyl)hydantoin and... | 12/22/2009 |
| 7572937 | Process for preparing amino acids using amidocarbonylation reaction The present invention relates to a sequence for the preparation of amino acids, for example alpha amino acids, in particular methionine, by making use of an amidocarbonylation reaction and reuse of the catalyst. ... | 08/11/2009 |
| 7534916 | Process for producing methionine In the process for producing methionine of the present invention uses, as an equipment material for a step of hydrolyzing 5-(β-methylmercaptoethyl)hydantoin in the presence of potassium carbonate to produce methionine, a stainless steel containing 21.0 to 30.0% by ... | 05/19/2009 |
| 7368600 | Method for production of methionine from homoserine The invention relates to a method for production of D- and/or L-methionine via D- and/or L-homoserine with subsequent chemical transformation to give methionine. ... | 05/06/2008 |
| 7304181 | Methods for making intermediates and oxytocin analogues More efficient and/or economical methods for synthesizing heptapeptide alcohol analogs of oxytocin are provided along with novel intermediates which are useful in synthesizing such oxytocin analogs. Efficient and economical methods for synthesizing intermediates use... | 12/04/2007 |
| 7238375 | Composition and method to promote human hair growth This invention relates to a composition of matter for producing hair growth and preventing hair loss in humans and the method for using said composition. The composition comprises four complexes and a carrier liquid, mixed together and added to any topical treatment... | 07/03/2007 |
| 7223884 | Process for production of methionine A process by which high-quality crystals of methionine in the form of granules or thick plates having high bulk density can be stably produced. The process for production of methionine comprises the step of hydrolyzing 5-(2-methylmercaptoethyl)hydantoin into a metal... | 05/29/2007 |
| 7195772 | Amino-acid iodine complex An amino-acid iodine complex, viz. amino-acid amino-carboxyl iodine complex, was provided wherein its coordinate center is iodine molecule, complex reagent is amino-acid, sites of complexing reaction are amino and carboxyl groups of amino-acid. The complex can be us... | 03/27/2007 |
| 7179938 | Process for the preparation of methionine The invention relates to a process for the preparation of methionine of high bulk density, in which a mixture which comprises a compound which has a foaming action and a compound which influences the crystallization is added to the hydrolysis solution, and to the mi... | 02/20/2007 |
| 6997249 | Fluid guidance piece with internal temperature equalization The present invention relates to a fluid line member for a modular fluid line system for passing therethrough a crystallizing, heat-sensitive working fluid, such as a synthetic polymer, a cellulose derivative or a solution consisting of cellulose, water and amine ox... | 02/14/2006 |
| 6992067 | Diphenylazetidinones, process for their preparation, medicaments comprising these compounds and their use Compounds of the formula I, in which R1, R2, R3, R4, R5, and R6 have the meanings given in the description, and their physiologically acceptable salts. The compounds are suitable for use, for example, as hypolipidemics.... | 01/31/2006 |
| 6989464 | Process for the preparation of granules of methionine A process for the preparation of granules of methionine which process comprises (a) forming a mixture of methionine powder, a binding agent and water (b) applying the mixture to high shear rate mixing, thereby forming granules of said mixture; and (c) drying said gr... | 01/24/2006 |
| 6911557 | Process for the production of methionine A process for the production of methionine which comprises (a) hydrolysing the methionine amide in the presence of a catalyst comprising titanium to produce ammonium methioninate, said catalyst having a porosity of from 5 to 1000 nm, a total pore volume of from 0.2 ... | 06/28/2005 |
| 6846843 | β-thioamino acids Thio-alpha-amino acids of general formula (I), wherein R1, R2 and R3 have the meanings given in the description, methods for producing them, and medicaments containing these compounds. The invention also provides methods for treating... | 01/25/2005 |
| 6797284 | Phytopharmaceutical food products or integrators Phytopharmaceutical food products which contain plant extracts and aminoacids and which can be used in order to reduce tobacco smoke addiction. ... | 09/28/2004 |
| 6696611 | Chemical methods The present invention provides a method for enantioselectively reducing a prochiral carbon centered radical having one or more electron donator groups attached directly to the central prochiral carbon atom of the radical, and/or attached to a carbon atom ... | 02/24/2004 |
| 6673942 | Resolution of DL-racemic mixtures The present invention relates to a process for the resolution of DL-racemic mixtures of compounds which crystalize in the form of a conglumerate. Both, the D and L-enantiomers are obtained according to the invention in a industrially feasable process by a... | 01/06/2004 |
| 6552222 | Hydrolysis of acylamino acids A process for the preparation of racemic amino acids, characterized in that an acylamino acid of the formula R1 --CH(NH--CO--R2)COOH wherein R1 is hydrogen, a linear, branched or cyclic alkyl that has from 1 to 7 carbon atoms a... | 04/22/2003 |
| 6545179 | Process for the production of methionine A process for the production of methionine which comprises (a) hydrolysing the methionine amide in the presence of a catalyst comprising titanium to produce ammonium methioninate, said catalyst having a porosity of from 5 to 1000 nm, a total pore volume o... | 04/08/2003 |
| 6417395 | Process for preparing methionine The invention concerns a method for preparing methionine aminoamide. The invention also concerns the preparation of methionine without co-production of salts, from an aqueous solution containing essentially methionine aminonitrile by producing during a fi... | 07/09/2002 |
| 6156908 | Procedure for the manufacture of 3-amino-2-oxo-pyrrolidines, new intermediates and their use The invention is directed to a process for the preparation of lactams of Formula I. It is further directed to new advantageous intermediates of Formula II and the use thereof. By the cyclization of compounds of Formula II, compounds of Formula I are obtai... | 12/05/2000 |
| 6126972 | Process for the preparation of aqueous sodium methioninate solutions and use of those solutions in the production of a granulate A process for the preparation of aqueous sodium methioninate solutions having a low sodium carbonate content from the crude hydrolysis mixtures obtained in the hydrolysis of 5-(ଲ-methylmercaptoethyl)-hydantoin with from 1.1 to 6 equivalents of sodiu... | 10/03/2000 |
| 6080887 | Process for racemization of N-acetyl-(D)L--amino carboxylic acids With known methods of racemizing N-acetyl-D(L)--amino carboxylic acids in the non-aqueous state by heating them to temperatures above room temperatures, significant quantities of by-products are formed, especially acetyl dipeptides. By converting a... | 06/27/2000 |
| 5990349 | Process for the preparation of D,L-methionine or the salt thereof A process for the preparation of methionine or a salt of methionine by reaction of the components 3-methylmercaptopropionaldhyde, hydrogen cyanide, ammonia and carbon dioxide or components from which the above-mentioned components can be prepared, optiona... | 11/23/1999 |
| 5965539 | Inhibitors of prenyl transferases Compounds which inhibit prenyl transferases, particularly farnysyltransferase and geranylgeranyl transferase I, processes for preparing the compounds, pharmaceutical compositions containing the compounds, and methods of use.... | 10/12/1999 |
| 5945563 | Process for producing methionine Methionine is produced in an improved yield while reducing the load of waste water disposal by a process including the steps of: (A) adding at least one compound selected from potassium carbonate, potassium bicarbonate and potassium hydroxide to a solution con... | 08/31/1999 |
| 5834434 | Inhibitors of farnesyltransferase Peptidomimetics of the formula CଲX where C is cysteine, X is any naturally occuring amino acid, and ଲ is a hydrophobic spacer, most notably 2-phenyl-4-aminobenzoic acid. These compounds are effective inhibitors of p2lras farnesyltrasferase, bl... | 11/10/1998 |
| 5770769 | Process for the preparation of D,L-methionine or the salt thereof A process for the preparation of methionine or a salt of methionine by reaction of the components 3-methylmercaptopropionaldhyde, hydrogen cyanide, ammonia and carbon dioxide or components from which the above-mentioned components can be prepared, optiona... | 06/23/1998 |
| 5763395 | Stabilized lanthionine bacteriocin compositions The invention concerns compositions containing a lanthionine containing bacteriocin such as nisin which are stabilized by the presence of a thioether stabilizing agent against degradation.... | 06/09/1998 |
| 5756803 | Process for the condensation of an aldehyde with hydrogen cyanide A process for the condensation of an aldehyde with hydrogen cyanide in the presence of a buffer is disclosed. The buffer advantageously allows the condensation reaction to occur at a pH equal to or above 4.0 and in the absence of amines.... | 05/26/1998 |
| 5756761 | Process for drying hydrophobic amino acids with improved process for increased bulk density A process for improving the solubility of hydrophobic amino acids in which hot saturated aqueous solutions of at least two different amino acids are first combined. A first step includes making a hot saturated aqueous solution of a first and hydrophobic a... | 05/26/1998 |
| 5686472 | Inhibitors of farnesyl-protein transferase The present invention is directed to compounds which inhibit farnesyl-protein transferase (FTase) and the farnesylation of the oncogene protein Ras. The invention is further directed to chemotherapeutic compositions containing the compounds of this invent... | 11/11/1997 |
| 5672745 | Method for the continuous preparation of methionine or methionine derivatives The direct saponification of methionine nitrile obtained from methylmercaptopropionaldehyde, prussic acid and ammonia gives low yields, catalyst and educt losses and unwanted side-products. The aim of the invention is therefore to provide a method which c... | 09/30/1997 |
| 5635484 | Propionibacteria peptide microcin A peptide, produced by propionibacteria, has a molecular weight of between 300 and 1200 daltons and is inhibitory to gram-negative bacteria. The peptide can be produced by purification of a propionibacteria metabolite mixture, by chemical synthesis, or by... | 06/03/1997 |
| 5631031 | Water-insoluble amino acid salt Disclosed are water-insoluble, calcium or magnesium salts of alpha amino acids and a process for their preparation. The process comprises the steps of reacting an alpha-amino-protected alkyl ester of an amino acid with a metal base, thereby forming a wate... | 05/20/1997 |
