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US 9,809,555 B2Granted
Form of mefenpyr-diethyl, a process for its preparation and use of the same
AssigneeRotam Agrochem International Company Limited
InventorJames Timothy Bristow
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Abstract
A crystalline form of mefenpyr-diethyl of formula (I), the crystal preparation process, the analyses of the crystal through various analytical methods and using the crystal to prepare stable agrochemical formulation. The invention also describes the use of various solvents towards the crystalline form preparation conditions.
Claims15
A crystalline modification I of mefenpyr-diethyl, exhibiting each of the following reflexes in an X-ray powder diffractogram recorded using Cu-Kα radiation at 25° C.:
- 2θ=7.76±0.2 (1)
- 2θ=10.76±0.2 (2)
- 2θ=14.00±0.2 (3)
- 2θ=14.85±0.2 (4)
- 2θ=16.67±0.2 (5)
- 2θ=19.49±0.2 (6)
- 2θ=23.10±0.2 (7)
- 2θ=23.75±0.2 (8)
- 2θ=24.48±0.2 (9)
- 2θ=26.02±0.2 (10)
- 2θ=26.27±0.2 (11)
- 2θ=28.49±0.2 (12).
9 more elements
Dependencies are inferred from the claim text.