(45)  Date of Patent:  Oct. 14, 2014  (IO)  Patent No.:  US 8,859,476 B2  c12)  United States Patent  Thomson  (54)  MULTI-PURPOSE, NON-CORROSIVE  CLEANING COMPOSITIONS AND METHODS  OF USE  (71)  Applicants:  Vi tech International, Inc.,  Edgerton,  WI (US);  Win Chemicals Ltd,  Burlington (CA)  (72)  Inventor:  Rod Thomson,  Burlington (CA)  (73)  Assignees:  Vitech International, Inc.,  Edgerton,  WI (US);  Win Chemicals Ltd,  Burlington, Ontario (CA)  ( *)  Notice:  Subject to any disclaimer, the term ofthis  patent is extended or adjusted under 35  U.S.C. 154(b) by  O  days.  (21)  Appl. No.:  13/901,911  (22)  Filed:  May 24, 2013  (62)  Division of application No. 11/637,397, filed on Dec.  12, 2006, now Pat. No. 8,450,257.  (60)  Provisional application No. 60/749,448, filed on Dec.  12, 2005.  (51)  Int. Cl.  (52)  U.S. Cl.  CPC ............  CllD 3/3454  (2013.01);  CllD  713272  (2013.01);  CllD 3/0073  (2013.01);  CllD  7134  (2013.01);  CllD 31323  (2013.01);  CllD  3/3409  (2013.01)  USPC ...........  510/101;  510/109; 510/174; 510/496;  451/28  ( 58)  Field of Classification Search  USPC ..................... 510/101, 109,274,496; 451/28  See application file for complete search history.  18 Claims, No Drawings  (57)  ABSTRACT  FOREIGN PATENT DOCUMENTS  Related U.S. Application Data  (65)  Prior Publication Data  U.S. PATENT DOCUMENTS  (56)  References Cited  3,320,173  A  3,591,416 A *  4,239,696  A  5/1967 Minor  7 / 1971 Johnson .  12/1980 Schreyer et al.  134/2  CllD 3/34  C11D3/00  C11D3/32  CllD  7132  CllD  7134  (2006.01)  (2006.01)  (2006.01)  (2006.01)  (2006.01)  4,643,813 A  2/1987  4,673,522  A  6/1987  4,747,975 A  5/1988  4,844,744 A *  7/1989  4,938,846  A  7/1990  5,234,466  A  8/1993  5,492,629  A  2/1996  5,616,151 A *  4/1997  5,672,279  A  9/1997  5,672,578  A  *  9/1997  5,698,513  A  12/1997  5,733,463  A  3/1998  5,750,733  A  5/1998  5,912,219 A *  6/1999  5,919,375  A  7/1999  6,333,005 Bl  12/2001  6,340,660 Bl  1/2002  6,355,214 Bl  3/2002  6,362,148 Bl  3/2002  6,365,101 Bl  4/2002  6,495,714 Bl  12/2002  6,593,287 Bl *  7/2003  6,632,291 B2  10/2003  6,689,223 Bl *  2/2004  6,844,309 Bl  1/2005  6,927,305 B2  8/2005  7,029,553 Bl  4/2006  2001/0045393 Al  11/2001  2003/0038085 Al  2/2003  2005/0152991 Al  7/2005  2007/0000523 Al*  1/2007  2007 /0066508 Al  3/2007  2013/0260649 Al *  10/2013  Sato et al.  Young  Ritter  Leiter et al.  134/40  Comstock et al.  Sargent et al.  Ludwig eta!.  Sargent et al . .................... 8/636  Sargent et al.  Carrie et al . .................. 510/245  Schulz et al.  Sargent et al.  Vermeer et al.  Carrie et al . .................. 510/238  Sargent et al.  Nguyen  Gastgaber  Fader et al.  Durbut et al.  Nguyen et al.  Halbritter et al.  Jordan et al. .................. 510/475  Rabon et al.  Meine et al.  134/2  Sivik et al.  Choudary et al.  Williams et al.  Sargent et al.  Sargent et al.  Man et al.  Kim et al.  134/25.4  Chen et al.  Thomson ........................ 451/28  CA  CA  CA  HU  HU  WO  WO  WO  2173438  2189345  2499592  37811  195241  9534511  9618717  2006029823  12/1999  7/2000  9/2005  2/1986  4/1988  12/1995  6/1996  6/2006  Compositions comprising an alkanesulfonic acid and an  organic nitrogenous base, and related methods of use.  (74)  Attorney, Agent, or Firm  -Reinhart Boerner Van  Deuren s.c.  Assistant Examiner  - M. Reza Asdjodi  Primary Examiner  - Nicole M Buie-Hatcher  * cited by examiner  US0088594 76B2  US 2013/0260649 Al  Oct. 3, 2013 