Chinta
Jugun Prakash Chinta, Mumbai IN
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20120091355 | SELECTIVE DETECTION OF AROMATIC ALPHA-AMINO ACIDS AND DERIVATIVES THEREOF - Provided here are complexes useful in the detection of aromatic alpha-amino acids and peptides incorporating aromatic alpha-amino acids, and methods for detecting aromatic alpha-amino acids and peptides incorporating aromatic alpha-amino acids. Accordingly, provided herein are complexes comprising a compound of Formula I: | 04-19-2012 |
Narasimha Raju Chinta, Hyderabad IN
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20130329742 | Criteria for Identifying Network Frames - Disclosed are various embodiments of a network switch for storing a prefix address and a mask corresponding to the prefix address, the prefix address and the mask each representing a binary value, the mask representing a number of significant bits of an address beginning with a most significant bit. The network switch obtains a network frame via one of a plurality of network interfaces, the network frame comprising a network address in a header of the network frame, the network address being a binary value representing a physical address of a network interface device. The network switch determines a truth value associated with a comparison of a mask number of bits of the prefix and network addresses, the truth value indicating an equivalence of the comparison. In response to the truth value, the network switch may initiate at least one action associated with the network frame. | 12-12-2013 |
Prashanth Kumar Chinta, Huerth DE
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20150330947 | METHOD AND DEVICE FOR THE NEAR SURFACE, NONDESTRUCTIVE INSPECTION BY MEANS OF ULTRASOUND OF A ROTATIONALLY SYMMETRIC WORKPIECE HAVING A DIAMETER THAT CHANGES FROM SECTION TO SECTION - A method and a device for the near-surface, non-destructive inspection by means of ultrasound of a rotationally symmetric workpiece having a diameter that changes from section to section are provided. The method and device are based on the insonification of an ultrasonic test pulse into the workpiece at a defined insonification angle and the subsequent recording of an ultrasonic echo signal from the workpiece. Echo signals that trace back to a near-surface region ROI of the workpiece are identified and evaluated. Then, a graphic representation of the surface of the workpiece is generated. | 11-19-2015 |
Raveendra Reddy Chinta, Chittoor IN
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20080214535 | Amorphous Aprepitant Coprecipitates - A coprecipitate comprising amorphous aprepitant and a pharmaceutically acceptable carrier is prepared by rapidly removing solvent from a solution containing aprepitant and the carrier. | 09-04-2008 |
20090099359 | ESZOPICLONE PROCESS - Eszopiclone is prepared by reacting zopiclone with an enatiomerically pure di-p-toluoyl tartaric acid, recovering a solid salt, and reacting a solid salt with a base. Zopiclone is prepared by reacting 6-(5-chloropyrid-2-yl)-5-hydroxy-7-oxo-5,6-dihydropyrrolo[3,4-b]-pyrazine with 1-chlorocarbonyl-4-methylpiperazine hydrochloride. | 04-16-2009 |
20090326230 | PROCESS FOR PREPARING SOLIFENACIN AND ITS SALTS - The present invention relates to solifenacin in solid form and a process for its preparation and to a process for the preparation of (1S)-1-Phenyl-1,2,3,4-tetrahydro-isoquinoline, a key intermediate in the synthesis of solifenacin and its salts. | 12-31-2009 |
20100087664 | PREPARATION OF CITALOPRAM AND SALTS THEREOF - Process for the preparation of citalopram and its salts, comprising reacting magnesium (5-cyano-2-(4-fluorobenzoyl)phenyl)methanolate bromide with 3-N,N-dimethylaminopropyl magnesium halide in a mixture of solvents, obtaining a diol intermediate in the form of its acid addition salt, and reacting the acid addition salt with sulfuric acid in an aqueous medium. | 04-08-2010 |
Raveendra Reddy Chinta, Hyderabad IN
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20130144067 | PROCESS FOR THE PREPARATION OF VALSARTAN - The present invention relates to a process for the preparation of pure Valsartan (I) substantially free from impurities of formulae (Ia), (Ib), and (Ic), which comprises: (i) condensing 2-(4′-bromomethylphenyl)benzonitrile of formula (II) with L-valine methyl ester hydrochloride of formula (V) in the presence of a base in a solvent to produce N-[(2′-cyanobiphenyl-4-yl)methyl]-(L)-valine methyl ester of formula (VI); (ii) treating the compound VI of step (i) with acid followed by treating with base to produce pure compound VI substantially free from dimeric impurity of formula (Via); (iii) reacting the pure compound of formula (VI) with n-valeryl chloride in the presence of a base to produce pure N-valeryl-N-[(2′-cyanobiphenyl-4-yl)methyl]-(L)-valine methyl ester (VII) substantially free from alkene impurity of formula (Vila); (iv) reacting the compound of formula (VII) with trialkyltin chloride and a metal azide in a solvent at a reflux temperature to produce N-(1-oxopentyl)-N-[[2′-(2-tributyltinte-trazol-5-yl)-(1,1′-biphenyl)-4-yl]methyl]-(L)-valine methyl ester of formula (VHIb) free from thermal degradation impurity (Villa); (v) hydrolyzing the compound of formula (VHIb) in the presence of alkaline conditions to produce Valsartan (I). | 06-06-2013 |