Patents

IN225718: A process for preparation of non-hazardous brominating reagent

The invention relates to a non-hazardous brominating reagent from an aqueous alkaline bromine byproduct solution obtained from bromine recovery plant and containing 25 to 35 % bromine dissolved in aqueous lime or sodium hydroxide containing alkali bromide and alkali bromate mixture having bromide to bromate stoichiometric ratio in the range of 5:1 to 5.1:1 or 2:1 to 2.1:1 and a pH ranging between 8-12 and also relates to a method for borminating aromatic compounds by using the above brominating agent

Filing Date: 23-01-2003

Issue Date: 21-11-2008

Applicant: CSIR – Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI), Bhavnagar

Patent No: IN225718

Application No: 0063DEL2003

Inventor(s): Ramachandraiah G, Ghosh Pk, Mehta As, Adimuthys, Jethva Ad, Vaghela Ss

IPC Classification: C01B 009/04

Country: India

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