Keisuke SEKINO,Keijitsu TANAKA,Yousuke KANEYASU,Daisuke SATO
申请号：
US13407656
公开号：
US20120157311A1
申请日:
2012.02.28
申请国别(地区):
US
年份:
2012
代理人:
摘要：
A method for producing a herbicidal composition containing an oily extract as an active ingredient. The method includes collecting cooled steam generated during a drying step of a lumber of trees belonging to the order Pinales to produce condensed water containing the oily extract, and obtaining the oily extract from the condensed water. Also disclosed is a method which includes distilling a lumber belonging to the order Pinales with steam and a method which includes extracting a lumber belonging to the order Pinales with hot water.
