A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
260/496.6, 167/1
A01N 53/00 (2006.01) C07C 121/75 (1985.01)
Patent
CA 1212686
- 19 - INSECTICIDAL PRODUCT AND PREPARATION THEREOF ABSTRACT There is provided a novel crystalline material consisting of an enantiomeric pair of cyhalothrin isomers having greater insecticidal activity than cyhalothrin itself, and a process for obtaining the crystalline material by crystallisation from concentrated cyhalothrin solutions in lower alkanols or liquid alkanes. The crystalline material may be obtained in the form of either the racemic mixture or the racemic compound of the isomer pair.
438482
Crosby John
Robson Michael J.
Barlow Charles Brian
Zeneca Limited
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