logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10172351 B1

PDFFull Text
Date of Patent:
Jan. 08, 2019

Filed:

Sep. 01, 2016

Performic acid on-site generator and formulator

Applicant:

Ecolab Usa Inc., Saint Paul, MN (US);

Inventors:

Paul R. Kraus, Apple Valley, MN (US);

Benjamin Crew, Eagan, MN (US);

Junzhong Li, Eagan, MN (US);

David D. McSherry, St. Paul, MN (US);

Ramakrishnan Balasubramanian, Sugarland, TX (US);

Richard Staub, Lakeville, MN (US);

Ariel Chatman Kleczewski, St. Paul, MN (US);

Minh Tran, Inver Grove Heights, MN (US);

Catherine Hanson, Hastings, MN (US);

Irwan Yunus, Bellaire, TX (US);

Jeffery D. Breshears, Batavia, IL (US);

Brian Paul Brunner, Missouri City, TX (US);

Assignee:

Ecolab USA Inc., Saint Paul, MN (US);

Attorney:

McKee, Voorhees & Sease, PLC

Primary Examiner:

Monzer R Chorbaji

Int. Cl.
CPC ...
B01J 10/00 (2006.01); B01D 11/04 (2006.01); A61L 2/00 (2006.01); A01N 37/36 (2006.01); A23L 3/3499 (2006.01); B01J 19/24 (2006.01); C07C 51/367 (2006.01); A01N 37/16 (2006.01); B01J 19/18 (2006.01); C07C 407/00 (2006.01); A23L 3/3463 (2006.01); A23L 3/3481 (2006.01);
U.S. Cl.
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); 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);
Abstract

Methods of generating performic acid by contacting aqueous oxidizing agent and aqueous formic acid source in liquid phase are disclosed. A system and apparatus for the in situ production of the performic acid chemistries is further disclosed. In particular, a continuous flow reactor is provided to generate performic acid at variable rates. Methods of employing the oxidizing biocide for various disinfection applications are also disclosed.

Find Patent Forward Citations

Loading…