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:
Sep. 03, 2024
Filed:
Jul. 29, 2019
Applicant:
Huntsman Petrochemical Llc, The Woodlands, TX (US);
Inventors:
Donald H. Champion, The Woodlands, TX (US);
David C. Lewis, The Woodlands, TX (US);
Juventino Uriarte, The Woodlands, TX (US);
Hui Zhou, The Woodlands, TX (US);
Ke Zhang, The Woodlands, TX (US);
Chai Zheng, The Woodlands, TX (US);
Assignee:
HUNTSMAN PETROCHEMICAL LLC, The Woodlands, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/28 (2006.01); C11D 3/20 (2006.01); C11D 3/30 (2006.01); C11D 7/26 (2006.01); C11D 7/32 (2006.01); G03F 7/42 (2006.01);
U.S. Cl.
CPC ...
C11D 3/30 (2013.01); C11D 3/20 (2013.01); C11D 7/26 (2013.01); C11D 7/3209 (2013.01); G03F 7/425 (2013.01); C11D 2111/16 (2024.01); C11D 2111/22 (2024.01);
Abstract
The present disclosure provides a quaternary ammonium hydroxide solution comprising a reaction product of a polyamine and an organic oxirane. The quaternary ammonium hydroxide solution may be used in various applications, such as in removing chemical residue from a metal or dielectric surface.