The present invention relates to a process for preparing disodium 4,4’-bis(4-anilino-6-morpholino-s-triazin-2-ylamino)-2,2’-stilbene disulphonate in the ß crystal form, the process comprising subjecting disodium 4,4’-bis (4-anilino-6-morpholino-s-triazin-2-ylamino)-2,2’-stilbene disulphonate in the a crystal form ...
The present invention relates to optical brighteners of Formula I and a process for preparing the same. The present invention also discloses aqueous solutions of optical brighteners of Formula I.
Formula I
TITLE: PROCESS FOR PRODUCTION OF SUBSTITUTED PHENOLS FROM SUBSTITUTED
ANILINE
The present invention relates to a process for preparing substituted phenol by in-situ diazotization and hydrolysis of substituted aniline.
ABSTRACT
A PROCESS FOR PREPARATION OF NITROTOLUENES
The present invention discloses a process for preparing nitrotoluene particularly mono nitro toluenes. The process comprising of providing spent acid that comprises a mixture of sulfuric acid and nitric acid which is then subjected to steaming to reduce the amoun...
A process for the preparation of anti-fungal, anti-wood borer and anti-termite formulation comprising (a) nitration of toluene with acid to obtain mixed nitrotoluenes and other co-products, (b) separation of the said mixed products by washing with alkali to remove nitrocresols and other unidentified products hereina...
The present invention encompasses a process for recycling a metal halide solution, which comprises the steps of treating an aromatic compound with metal halide optionally in the presence of a phase transfer catalyst; adding an oxidizing agent to form a halogenated compound; utilizing the halogenated compound in reac...
A process for preparation of N, N-dialkyl aromatic amines comprising step of
reacting aromatic amine with alcohol in vapor phase at an elevated temperature in
presence of γ-alumina catalyst being treated with ammonia or aliphatic amine.
The present invention relates to a process for preparing substituted alkyl phenols. The process comprises the steps of salt formation, diazotization, hydrolysis to obtain an organic phase comprising of substituted alkyl phenols and effluent phase. The effluent phase is recycled back to all or any of the steps of sal...
The present invention relates to a process for preparing an intermediate or it’s salt for synthesis of antibiotics. The process comprises of oxidizing derivative of furan in an acidic medium in the presence of an additive and nitrite salt to form α-ketocarboxylic acid, which is further reacted with derivative of hyd...
The present invention relates to a process for preparing chloro-hydroxy derivative by treating substituted amino compound with acid and solvent in the presence of diazotizing agent to obtain chloro-hydroxy derivative.
ABSTRACT
APPARATUS AND PROCESS FOR CONVERSION OF AMMONIA INTO OXIDES OF NITROGEN
Disclosed is an apparatus for conversion of ammonia into oxides of nitrogen which may comprise an adiabatic burner (108), a set of platinum/rhodium alloy catalytic gauzes (102A), (102B), and (102C), a waste heat recovery boiler (WHRB)...
ABSTRACT
A VENTURI AIR-AMMONIA MIXER ENABLED FOR TWO BURNER SYSTEM
Disclosed is a venturi air-ammonia mixer 200 enabled for a two-burner system. The venturi air-ammonia mixer 200 comprises a venturi body 204 and an annular region 212. Further, the venturi body 204 comprises a convergent section 204(a) comprising a...
The present disclosure describes about a free flowing sodium nitrite and a method (200) of obtaining the free flowing for sodium nitrite. The method (200) may comprise various steps such as optimizing (202) the concentration of SNI, heating (206) of sodium nitrite slurry at 50 to 600 rpm, gradually cooling (208) the...
A process for preparation of N, N-dialkyl aromatic amines comprising step of reacting aromatic amine with alcohol in vapor phase at an elevated temperature in presence of ?-alumina catalyst being treated with ammonia or aliphatic amine.
The present invention provides a continuous process for the preparation of m-trifluoromethyl acetophenone comprising the steps of diazotization, coupling and hydrolysis.
The present invention provides a process for preparing para-alkoxyaniline or substituted para-alkoxyaniline comprising the steps of reducing a nitro compound in the presence of a noble metal catalyst in aliphatic alcohol and sulfuric acid pre-treated with air thereby reducing poisoning and enabling recycling...
The present invention relates to optical brighteners of formula I and a process for preparing the same. The present invention also discloses aqueous solutions of optical brighteners of formula 1
Formula I
ABSTRACT
FORMS OF SODIUM NITRITE AND IMPURITY PROFILE THEREOF
A present disclosure describes about an improved form of purified crystalline sodium nitrite. The said form of sodium nitrite may comprise a purity level between 99% to 99.2%. The form of sodium nitrite may also comprise an amount of sodium nitrate no g...
ABSTRACT
A SYSTEM AND PROCESS OF MANUFACTURING OF A SALT BRIQUETTE
A system and method of briquette formation of hygroscopic metallic salts is disclosed. The system (100) comprising a feed hopper unit (101), a vibrating sieve unit (102), a briquetting unit (104), a belt conveyer (105), a bucket elevator (106), a d...
ABSTRACT
A FREE-FLOWING FOOD GRADE SODIUM NITRITE AND PRODUCTION METHOD THEREOF
A present disclosure describes about a free-flowing food grade sodium nitrite and production method thereof. The free flowing food grade sodium nitrite comprising: sodium nitrate (SNI) having purity of 99.0-99.9%, wherein NaNO3 is no...
ABSTRACT
A METHOD OF PREPARATION OF METHOXY AMINE HYDROCHLORIDE
The method (100) and a reactor assembly (200) for the synthesis of Methoxy amine hydrochloride (MAHCl) is disclosed. Methoxy amine hydrochloride is a primary reagent used for preparation of one or more oxime derivatives. The present disclosure is abo...
ABSTRACT
A SYSTEM AND PROCESS FOR WASHING MONO NITROXYLENES AND RECOVERING AND REUSING OF REACTION WASTES
Disclosed is a system (100), a process (300), and a process (400) for washing of slurry mixture of mono nitroxylene and recovery of ammonia and water from slurry mixture of mono nitroxylene. Further, the said ...
ABSTRACT
ORTHO XYLENE NITRATION PROCESS AND SYSTEM
Disclosed is a system (100) and a process (500) for the production and separation of 3-nitro-o-xylene (3-NoX) and 4-nitro-o-xylene (4-NoX). Further, the said system (100) comprises of a first reactor (101) and a second reactor (102) enabled for the nitration of o-...
ABSTRACT
A PROCESS OF PREPARATION OF META-HYDROXY BENZO-TRIFLUORIDE (MHBTF)
The present invention provides a process (100) of preparation of meta-hydroxy benzo-trifluoride (MHBTF) in a batch mode to obtain high yield 98-99% and purity 99.1-99.9%. The process (100) may comprise first stage of diazotization (A) of 3...
ABSTRACT
A PROCESS OF PREPARATION OF 3'-(TRIFLUOROMETHYL)ACETOPHENONE (TFMAP)
Disclosed is a system (100) and process (300) for preparation of 3’-(Trifluoromethyl) acetophenone (TFMAP), wherein disclosed TFMAP provides appearance ranging from colourless to orange liquid, purity in the range of 99-99.9%, and yield ...
ABSTRACT
A SYSTEM AND PROCESS OF PREPARATION OF MONO-NITRO BENZO TRIFLUORIDE (NBTF)
A system for the continuous manufacture of monitor-benzo trifluorides (NBTF). The system has a first reactor set up to mono-nitrate benzo trifluoride by converting reactants by 90-98% in reaction; a second reactor designed to mono-...
ABSTRACT
SYSTEM AND PROCESS FOR CONTINUOUS PREPARATION OF meta-CRESOL BY NOx
Disclosed is a system (100) and process (200) for continuous preparation of meta-cresol. The system (100) may comprise one or more components such as a gas mixing unit (101), a reactor unit (102) connected to a coiled reactor (103), a dia...
ABSTRACT
A PLASTICIZER AND A THERMOPLASTIC RESIN FORMULATION
Disclosed is a plasticizer for thermoplastic resin formulation, wherein the plasticizer is one or more nitroxylenes and a thermoplastic resin formulation that includes recycled thermoplastic material with a primary plasticizer (15–55 phr) and a secondary...
ABSTRACT
A CATALYST COMPOSITION FOR PRODUCTION OF ALKYL PHENOLS
Disclosed is a catalyst composition for production of alkyl phenols. The catalyst composition comprises of an active phase such as an iron oxide (Fe2O3), one or more promoters and a binder component. This catalyst offers several benefits, including hi...
ABSTRACT
A METHOD FOR PRODUCING 2-BROMO-5 FLUOROBENZOTRIFLUORIDE
The present disclosure provides a scalable method for producing 2-bromo-5-fluorobenzotrifluoride. The method is a bromination reaction wherein iron powder, bromine, chlorine, and 3-fluorobenzotrifluoride are reacted to obtain 2-bromo-5-fluorobenzotrif...