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:
Mar. 03, 2015
Filed:
Jun. 24, 2010
Applicants:
Raimund Mellies, Dieburg, DE;
Andreas Klipp, Lambsheim, DE;
Inventors:
Raimund Mellies, Dieburg, DE;
Andreas Klipp, Lambsheim, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 3/00 (2006.01); C11D 3/20 (2006.01); C11D 11/00 (2006.01); C11D 7/32 (2006.01); C11D 3/02 (2006.01); C11D 1/12 (2006.01); C11D 1/62 (2006.01); C11D 3/34 (2006.01); C11D 7/34 (2006.01); G03F 7/42 (2006.01); H01L 21/02 (2006.01);
U.S. Cl.
CPC ...
C11D 1/62 (2013.01); C11D 3/34 (2013.01); C11D 7/3209 (2013.01); C11D 7/34 (2013.01); C11D 11/0047 (2013.01); G03F 7/425 (2013.01); H01L 21/02074 (2013.01);
Abstract
The aqueous alkaline cleaning composition comprising (A) at least one thioamino acid having at least one secondary or tertiary amino group and at least one mercapto group and (B) at least one quaternary ammonium hydroxide; the use of the alkaline cleaning composition for the processing of substrates useful for fabricating electrical and optical devices; and a method for processing substrates useful for fabricating electrical and optical devices making use of the said aqueous alkaline cleaning composition.