A process for preparation of glufosinate or isomer or salt thereof
AssigneeUpl Ltd
InventorsRushikumar Patel, Chetan Virbhan Borse, Prashant Kini, Ashishkumar Ravindra Mishra, Mukesh Deshmukh
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Abstract
The present invention relates to a process for preparation of glufosinate ammonium, the process comprises of processing a first solution comprising of glufosinate and inorganic salts through a membrane; and precipitating glufosinate ammonium from said second.
Claims18
A process for preparing glufosinate ammonium having less than 3% by weight of inorganic salts, said process comprising precipitating glufosinate ammonium by treating a solution comprising glufosinate with ammonia, said solution comprising glufosinate being prepared by passing a first solution comprising glufosinate and inorganic salts through a membrane.
A process for preparing glufosinate ammonium or L-glufosinate ammonium comprising the steps of:
- a) preparing a first solution comprising glufosinate or L-glufosinate and inorganic salts having total dissolved solute content below 15%;
- b) processing said first solution through a membrane to obtain a second solution and permeate;
- and
- c) precipitating glufosinate ammonium or L-glufosinate ammonium from the second solution by ammonia treatment comprising;
- wherein said glufosinate ammonium or L-glufosinate ammonium contains less than 3% by weight of inorganic salts.
(canceled)
Glufosinate ammonium or L-glufosinate ammonium having less than 3% by weight of an inorganic salt.
(canceled)
Dependencies are inferred from the claim text.