METHODS AND COMPOSITIONS FOR REMOVAL DEPOSITS FROM HYDROCARBON PROCESSING EQUIPMENT

Details for Australian Patent Application No. 2002255636 (hide)

Owner BETZDEARBORN INC.

Inventors HART, Paul, R.; MOFFITT, Michelle

Pub. Number AU-A-2002255636

PCT Pub. Number WO2002/074890

Priority 09/809,692 15.03.01 US

Filing date 1 March 2002

Wipo publication date 3 October 2002

International Classifications

C11D 011/00 Special methods for preparing compositions containing mixtures of detergents

C11D 003/36 Other compounding ingredients of detergent compositions covered in group - containing phosphorus

C11D 003/20 Other compounding ingredients of detergent compositions covered in group - containing oxygen

C11D 001/44 Surface-active non-soap detergents

C11D 001/72 Surface-active non-soap detergents - Ethers of polyoxyalkylene glycols

C11D 001/74 Surface-active non-soap detergents - Carboxylates or sulfonates of polyoxyalkylene glycols

C11D 001/76 Surface-active non-soap detergents - Synthetic resins containing no nitrogen

C11D 001/83 Surface-active non-soap detergents - Mixtures of non-ionic with anionic compounds

Event Publications

27 March 2003 Application Open to Public Inspection

  Published as AU-A-2002255636

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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

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