** Shares of tech company Dotz Nano Ltd DTZ.AX climb as
much as 14.7% to A$0.293, biggest intraday pct gain since May 10
** Company says it has been granted a new patent for bulk
liquid tagging, identifying and authentication in the United
States urn:newsml:reuters.com:*:nASX6VcJfy
** Says patent uses new approach to allow real-time, simple
detection and quantification of materials and chemicals used in
oil and gas sector, other industries
** Says it has started commercial discussions with an oil
and gas company for broader deployment of patented tech solution
** Shares hit highest since July 20
** Volumes are 2 times the 30-day average of 134,006 shares
** As of last close, stock down 44.6% this year
(Reporting by Himanshi Akhand in Bengaluru)
((Himanshi.Akhand@thomsonreuters.com))