Method for preparing DDR type zeolite film, DDR type zeolite film, and composite DDR type zeolite film, and method for preparation thereof

Details for Australian Patent Application No. 2002330412 (hide)

Owner NGK Insulators, Ltd.

Inventors Yoshida, Manabu; Yajima, Kenji; Nakayama, Kunio; Tomita, Toshihiro; Suzuki, Kenji

Agent Patent Attorney Services

Pub. Number AU-B-2002330412

PCT Number PCT/JP02/09480

PCT Pub. Number WO2003/024577

Priority 2002-219135 29.07.02 JP; 2001-280972 17.09.01 JP; 2002-212425 22.07.02 JP; 2002-232550 09.08.02 JP

Filing date 17 September 2002

Wipo publication date 1 April 2003

Acceptance publication date 29 November 2007

International Classifications

B01D 71/02 (2006.01) Semi-permeable membranes for separation processes or apparatus characterised by the material

B01D 53/22 (2006.01) Separation of gases or vapours - by diffusion

B01D 65/10 (2006.01) Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes

B01D 69/12 (2006.01) Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties

Event Publications

30 January 2003 Complete Application Filed

  Priority application(s): 2002-219135 29.07.02 JP; 2001-280972 17.09.01 JP; 2002-212425 22.07.02 JP; 2002-232550 09.08.02 JP

5 June 2003 Application Open to Public Inspection

  Published as AU-B-2002330412

29 November 2007 Application Accepted

  Published as AU-B-2002330412

3 April 2008 Standard Patent Sealed

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