Antifoaming additive for acid liquids

United States of America Patent

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Jan 30, 1990
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N/A
app pub date
Jul 5, 1988
filing date
Jul 14, 1987

priority date (Note)
Expired

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Abstract

Acidic liquids, such as galvanic electrolyte solutions for metal electroplating, contain a surfactant and a foam inhibiting agent which is a perfluoroalkyl-containing ester of phosphoric acid.

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Patent Owner(s)

Patent Owner	Address
BAYER AKTIENGESELLSCHAFT	51373 LEVERKUSEN

International Classification(s)

C25D:PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC ....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Biermann, Hans-Peter	Krefeld, DE	5	39
Melzer, Detlef	Cologne, DE	2	6
Tabel, Erhardt	Leverkusen, DE	1	2

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Antifoaming additive for acid liquids

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07214769

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PATENT NO	4897166
SERIAL NO	07214769
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07214769

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