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Vandalia, OH, US
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Patents Grants
last 30 patents
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Patent Grant
Sulfonic acid derivative compounds as photoacid generators in resis...
Patent number
9,709,886
Issue date
Jul 18, 2017
HERAEUS PRECIOUS METALS NORTH AMERICA DAYCHEM LLC
Yongqiang Zhang
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sulfonic acid derivative compounds as photoacid generators in resis...
Patent number
9,477,150
Issue date
Oct 25, 2016
HERAEUS PRECIOUS METALS NORTH AMERICA DAYCHEM LLC
Yongqiang Zhang
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sulfonic acid derivative compounds as photoacid generators in resis...
Patent number
9,383,644
Issue date
Jul 5, 2016
HERAEUS PRECIOUS METALS NORTH AMERICA DAYCHEM LLC
Yongqiang Zhang
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
CYCLIC SULFONATE COMPOUNDS AS PHOTOACID GENERATORS IN RESIST APPLIC...
Publication number
20210002213
Publication date
Jan 7, 2021
Heraeus Precious Metals North America Daychem LLC
Yongqiang Zhang
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SULFONIC ACID DERIVATIVE COMPOUNDS AS PHOTOACID GENERATORS IN RESIS...
Publication number
20200089110
Publication date
Mar 19, 2020
Heraeus Precious Metals North America Daychem LLC
Yongqiang Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
CYCLIC SULFONATE COMPOUNDS AS PHOTOACID GENERATORS IN RESIST APPLIC...
Publication number
20200017441
Publication date
Jan 16, 2020
Heraeus Precious Metals North America Daychem LLC
Yongqiang Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SULFONIC ACID DERIVATIVE COMPOUNDS AS PHOTOACID GENERATORS IN RESIS...
Publication number
20170003587
Publication date
Jan 5, 2017
Heraeus Precious Metals North America Daychem LLC
Yongqiang ZHANG
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SULFONIC ACID DERIVATIVE COMPOUNDS AS PHOTOACID GENERATORS IN RESIS...
Publication number
20160266487
Publication date
Sep 15, 2016
Heraeus Precious Metals North America Daychem LLC
Yongqiang ZHANG
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SULFONIC ACID DERIVATIVE COMPOUNDS AS PHOTOACID GENERATORS IN RESIS...
Publication number
20160085148
Publication date
Mar 24, 2016
Heraeus Precious Metals North America Daychem LLC
Yongqiang Zhang
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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