Title:
METHOD FOR REMOVING CALCIUM MATERIAL FROM SUBSTRATES
Document Type and Number:
WIPO Patent Application WO/2011/090513
Kind Code:
A3
Abstract:
This invention is directed to a method for removing calcium material from a substrate or catalytic converter In particular, this invention is directed to a method for removing calcium material, particularly in the form of calcium-containing fly ash, from a substrate using a partially protonated or non-protonated polycarboxyhc acid treatment material.
Inventors:
COOPER MICHAEL D (US)
PATEL NAGESH (US)
PATEL NAGESH (US)
Application Number:
PCT/US2010/047766
Publication Date:
January 19, 2012
Filing Date:
September 03, 2010
Export Citation:
Assignee:
COALOGIX TECHNOLOGY HOLDINGS INC (US)
COOPER MICHAEL D (US)
PATEL NAGESH (US)
COOPER MICHAEL D (US)
PATEL NAGESH (US)
International Classes:
B01J38/62; B01J38/64; B01J38/66
Domestic Patent References:
| WO2009001891A1 | 2008-12-31 |
Foreign References:
| EP0161206A2 | 1985-11-13 | |||
| US3676364A | 1972-07-11 |
Attorney, Agent or Firm:
JORDAN, Richard D. et al. (1875 Eye Street N, Washington DC, US)
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