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. 20, 2026
Filed:
Mar. 30, 2023
Jun Chen, Shanghai, CN;
Shanghai Mingjie Chem-technologies Co., Ltd, Shanghai, CN;
Jun Chen, Shanghai, CN;
Jie Chen, Shanghai, CN;
Conglin Xia, Shanghai, CN;
Ruijie Mao, Shanghai, CN;
Other;
Shanghai Mingjie Chem-Technologies Co., Ltd., Shanghai, CN;
Abstract
The invention relates to the technical field of aluminum alloy surface treatment, in particular to the technical field of IPC C23C, and more specifically to a pretreatment method of an aluminum alloy coil. The invention can improve adhesion of an adhesive and weldability of an aluminum alloy at the same time through a specific pretreatment method combined with a specific treatment solution, and an aluminum alloy substrate after pretreatment has good compatibility with subsequent permanent anti-corrosion treatment, so that the pretreatment method is very suitable for welding or bonding of aluminum alloy parts of automobile bodies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile