PATENT REGISTER | |||||||||
Status | Lapsed | Patent No. | 2786979 | ||||||
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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 |
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Inventors |
NAKAHARA, Tatsuto NAKANO, Hiroshi |
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Current Proprietor |
Asahi Kasei Chemicals Corporation 1-105 Kanda Jinbocho Chiyoda-ku Tokyo 101-8101 JAPAN |
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Publication Language | English | ||||||||
Translation Received Date | |||||||||
04/08/2017 | Patent lapsed due to non-payment of Patent Renewal Fee in respect of year 5. |