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PATENT REGISTER
Status Lapsed Patent No. 2786979
Application No. 12852999.7 Date of Filing 27/11/2012
Date Grant Published 03/02/2016 Application Published 08/10/2014
Title of Invention METHOD FOR PURIFYING 1,3-BUTADIENE
Priority
Priority Country Filing Date Application No.
 Japan  28/11/2011  2011259130
Inventors NAKAHARA, Tatsuto
NAKANO, Hiroshi
Current Proprietor Asahi Kasei Chemicals Corporation
1-105 Kanda Jinbocho
Chiyoda-ku
Tokyo 101-8101
JAPAN
Publication Language English
Translation Received Date
04/08/2017 Patent lapsed due to non-payment of Patent Renewal Fee in respect of year 5.