US 12,268,210 B2
Performic acid on-site generator and formulator
Paul R. Kraus, Saint Paul, MN (US); Benjamin Crew, Saint Paul, MN (US); Junzhong Li, Saint Paul, MN (US); David D. McSherry, Saint Paul, MN (US); Ramakrishnan Balasubramanian, Saint Paul, MN (US); Richard Staub, Saint Paul, MN (US); Ariel Chatman Kleczewski, Saint Paul, MN (US); Minh Tran, Saint Paul, MN (US); Catherine Hanson, Saint Paul, MN (US); Irwan Yunus, Saint Paul, MN (US); Jeffery D. Breshears, Saint Paul, MN (US); and Brian Paul Brunner, Saint Paul, MN (US)
Assigned to ECOLAB USA INC., Saint Paul, MN (US)
Filed by ECOLAB USA INC., Saint Paul, MN (US)
Filed on Jun. 30, 2023, as Appl. No. 18/345,408.
Application 18/345,408 is a continuation of application No. 16/946,513, filed on Jun. 25, 2020, granted, now 11,737,460.
Application 16/946,513 is a continuation of application No. 16/183,571, filed on Nov. 7, 2018, granted, now 10,729,131, issued on Aug. 4, 2020.
Application 16/183,571 is a continuation of application No. 15/254,559, filed on Sep. 1, 2016, granted, now 10,172,351, issued on Jan. 8, 2019.
Claims priority of provisional application 62/303,746, filed on Mar. 4, 2016.
Claims priority of provisional application 62/214,340, filed on Sep. 4, 2015.
Prior Publication US 2023/0337667 A1, Oct. 26, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61L 2/00 (2006.01); A01N 37/16 (2006.01); A01N 37/36 (2006.01); A23L 3/3463 (2006.01); A23L 3/3481 (2006.01); A23L 3/3499 (2006.01); B01D 11/04 (2006.01); B01J 10/00 (2006.01); B01J 19/18 (2006.01); B01J 19/24 (2006.01); C07C 51/367 (2006.01); C07C 407/00 (2006.01); C23F 11/10 (2006.01)
CPC A01N 37/36 (2013.01) [A01N 37/16 (2013.01); A23L 3/3463 (2013.01); A23L 3/3481 (2013.01); A23L 3/3499 (2013.01); B01J 19/1812 (2013.01); B01J 19/1818 (2013.01); B01J 19/2415 (2013.01); C07C 51/367 (2013.01); C07C 407/00 (2013.01); C23F 11/10 (2013.01); A23V 2002/00 (2013.01); B01J 2219/00051 (2013.01); B01J 2219/00094 (2013.01); B01J 2219/00132 (2013.01); B01J 2219/00144 (2013.01); Y02W 10/37 (2015.05)] 20 Claims
OG exemplary drawing
 
10. A method of on-site generating performic acid forming composition comprising:
providing a formic acid source to a length of pipe at a desired flow rate;
providing an oxidizing agent to said length of pipe at a desired flow rate;
contacting said formic acid source with an effective amount of said oxidizing agent within said length of pipe in the presence of a heating device to form a performic acid composition;
delivering said performic acid composition to a downstream cooling system, wherein said performic acid is an individual or mixed performic acid composition according to a user- or system-inputted selection,
wherein the reaction to form the performic acid composition begins generating yield instantaneously and reaches maximum yield within 10 minutes or less.