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:
Jan. 28, 2025
Filed:
Dec. 20, 2021
Applicant:
Houghton Technical Corp., Wilmington, DE (US);
Inventors:
Laine Stewart, Safety Beach, AU;
Michael E. Smith, Downingtown, PA (US);
Kimberly A. Kontra, Downingtown, PA (US);
Richard Hills, Box Hill North, AU;
Assignee:
HOUGHTON TECHNICAL CORP., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/02 (2006.01); C11D 1/00 (2006.01); C11D 3/04 (2006.01); C11D 3/24 (2006.01); C11D 3/30 (2006.01); C11D 7/04 (2006.01);
U.S. Cl.
CPC ...
C11D 3/042 (2013.01); C11D 1/00 (2013.01); C11D 3/04 (2013.01); C11D 3/044 (2013.01); C11D 3/046 (2013.01); C11D 3/245 (2013.01); C11D 2111/16 (2024.01); C11D 2111/44 (2024.01);
Abstract
A composition, kit and method useful in a multi-stage washing method for cleaning an aluminum or aluminum alloy containers while reducing hazardous exposure of workers to toxic levels of hydrogen fluoride or ammonium bifluoride employs a stable, neutralized ammonium bifluoride-containing accelerator solution for addition to an acidic wash solution.