US Patent 7807613 Aqueous buffered fluoride-containing etch residue removers and cleaners
Patent 7807613 was granted and assigned to AIR PRODUCTS AND CHEMICALS, INC. on October, 2010 by the United States Patent and Trademark Office.
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Patent abstract
The invention relates to aqueous, buffered, fluoride containing compositions having a pH of greater than 7.0 to about 11.0. In certain embodiments, the buffered compositions have an extended worklife because pH dependent attributes such as oxide and metal etch rates are stable so long as the pH remains stable.
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US Patent 07807613 Aqueous buffered fluoride-containing etch residue removers and cleaners US Patent 7807613 Aqueous buffered fluoride-containing etch residue removers and cleaners
Infobox
Patent Number
0780761300
Patent Number
780761300
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Official Website
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
078076130
Date of Patent
October 5, 2010
0Patent Application Number
108773050
Date Filed
June 25, 2004
0Official Website
Patent Primary Examiner
Edits on 25 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
078076130
Date of Patent
October 5, 2010
0Patent Application Number
108773050
Date Filed
June 25, 2004
0Official Website
Patent Primary Examiner
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US Patent 07807613 Aqueous buffered fluoride-containing etch residue removers and cleaners
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07807613
Date of patent
October 5, 2010
Patent application number
10877305
Date Filed
June 25, 2004
Patent primary examiner
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