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All countries > China > Lanzhou patent applications Lanzhou, ChinaPatent applications with an agent or inventor associated with Lanzhou, China.20070191629 - Methods for preparing 3-hydroxy-propionate and 1,3-propylene glycol ### The listing of Patent Applications for Lanzhou, China is of recent patent applications only. Freshpatents.com tracks patent applications. The applications are submitted to the USPTO for approval, published and eventually approved or denied. This process is completed in anywhere between 1-3 years time by the USPTO, a US goverment agency not affiliated with Freshpatents.com. Notifiy us with any corrections or comments about Lanzhou, China patents or the website in general. |