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.:
Date of Patent:
Jun. 16, 2009
Filed:
Oct. 18, 2006
David D. Mcsherry, West St. Paul, MN (US);
Richard K. Staub, Lakeville, MN (US);
Dan Tallman, New Brighton, MN (US);
Junzhong LI, Apple Valley, MN (US);
Keith D. Lokkesmoe, Savage, MN (US);
David D. McSherry, West St. Paul, MN (US);
Richard K. Staub, Lakeville, MN (US);
Dan Tallman, New Brighton, MN (US);
Junzhong Li, Apple Valley, MN (US);
Keith D. Lokkesmoe, Savage, MN (US);
Ecolab Inc., St. Paul, MN (US);
Abstract
The present invention relates to apparatus and methods for making a peroxycarboxylic acid. The apparatus includes a reaction catalyst and a guard column for pretreating one or more reagents, which can increase the life, activity, and/or safety of the reaction catalyst. The peroxycarboxylic acid compositions made by the method and apparatus can include one or more peroxycarboxylic acids.