DEFOAMING OF FOAMS UTILIZING SONICATION

Details for Australian Patent Application No. 2002247022 (hide)

Owner EXXONMOBIL RESEARCH AND ENGINEERING COMPANY

Inventors VARADARAJ, Ramesh

Pub. Number AU-A-2002247022

PCT Pub. Number WO2002/072226

Priority 09/803,574 09.03.01 US

Filing date 25 January 2002

Wipo publication date 24 September 2002

International Classifications

B01D 019/02 Degasification of liquids - Foam dispersion or prevention

Event Publications

20 March 2003 Application Open to Public Inspection

  Published as AU-A-2002247022

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2002247023-METHOD OF INDUCING A CTL RESPONSE

2002247021-STEPPER EXPOSURE DOSE CONTROL BASE UPON ACROSS WAFER VARIATIONS IN PHOTORESIST THICKNESS