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:
Feb. 07, 2012
Filed:
Jul. 22, 2010
Applicant:
Matthew I. Egbe, West Norriton, PA (US);
Inventor:
Matthew I. Egbe, West Norriton, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C11D 7/26 (2006.01); C11D 7/32 (2006.01); C11D 7/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to semi-aqueous formulations and the method using same, to remove bulk photoresists, post-etched and post-ashed residues, as well as contaminations. The formulation comprises: an alkanolamine, a water miscible organic co-solvent, a quarternary ammonium compound, a non-free acid functionality corrosion inhibitor, and remainder water. The pH is greater than 9.
Quick Actions:
Egbe, Matthew. (2012). Semi-aqueous stripping and cleaning formulation for metal substrate and methods for using same (U.S. Patent No. 8110535). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8110535
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile