Application number of nano water purifier: CN2004 10047863.0 Application date: 200406 16 Publication/AnnouncementNo.: CN 1709802 Publication/Announcement date: 2005122/Application. Zhong Zhenggang's international main classification number: C02F 1/00; International classification number: C02f1/00; C02F 1/44 Address: Unit 2, Building 2 1 Room KLOC-0/03 109, Tiantongyuan West Second District, Changping District, Beijing Country Code: Beijing; 1 1 Description Page: 5 Basic legal status: 20 10090 1 Invalid patent Other legal status: 20070725 Other patent life cycle: 0 Description CD-ROM volume: D055 1.
This is now an invalid patent. Details can be found in the Patents of Batten.