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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.:

US 8969275 B1

PDFFull Text
Date of Patent:
Mar. 03, 2015

Filed:

Jun. 24, 2010

Aqueous alkaline cleaning compositions and methods of their use

Applicants:

Raimund Mellies, Dieburg, DE;

Andreas Klipp, Lambsheim, DE;

Inventors:

Raimund Mellies, Dieburg, DE;

Andreas Klipp, Lambsheim, DE;

Assignee:

BASF SE, Ludwigshafen, DE;

Attorney:

Oblon, McClelland, Maier Neustadt, L.L.P.

Primary Examiner:

Ling Choi

Assistant Examiner:

Thuy-Al Nguyen

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.

Find Patent Forward Citations

Mellies, Raimund. (2015). Aqueous alkaline cleaning compositions and methods of their use (U.S. Patent No. 8969275). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8969275

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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