The patent EP3735444 was granted to SUN Chemical on Mar 16, 2022. The application was originally filed on Jul 1, 2019 under application number EP19736470A. The patent is currently recorded with a legal status of "Revoked".

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OPPO
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Mar 29, 2022
Feb 17, 2022
Decision to grant a European patent
Search/Exam
Feb 7, 2022
(Electronic) Receipt
Search/Exam
Feb 7, 2022
Filing of the translations of the claims
Search/Exam
Feb 7, 2022
French translation of claims
Search/Exam
Feb 7, 2022
German translation of the claims
Search/Exam
Feb 7, 2022
Letter accompanying subsequently filed items
Search/Exam
Oct 6, 2021
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Intention to grant (signatures)
Search/Exam
Oct 6, 2021
Text intended for grant (clean copy)
Search/Exam
Oct 6, 2021
Sep 2, 2021
Examination started
Search/Exam
Aug 13, 2021
Aug 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 5, 2021
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(Electronic) Receipt
Search/Exam
Jan 12, 2021
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Amended claims with annotations
Search/Exam
Jan 12, 2021
Amendments received before examination
Search/Exam
Jan 12, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 14, 2020
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Communication to designated inventor
Search/Exam
Sep 8, 2020
Communication to designated inventor
Search/Exam
Sep 8, 2020
Communication to designated inventor
Search/Exam
Sep 8, 2020
Communication to designated inventor
Search/Exam
Sep 8, 2020
Aug 7, 2020
(Electronic) Receipt
Search/Exam
Aug 7, 2020
Request for entry into the European phase
Search/Exam
Jul 8, 2020
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Notification of election of EPO
Search/Exam
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PCT demand form
PCT2
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May 7, 2020
Notification of the recording of a change
Search/Exam
Feb 4, 2020
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Jan 16, 2020
Copy of the international search report
Search/Exam
Jan 16, 2020
Published international application - A1
Search/Exam
Sep 2, 2019
ISR: cited documents
PCTISA
Sep 2, 2019
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Aug 23, 2019
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Jul 18, 2019
Jul 5, 2019
Abstract
PCTISA
Jul 5, 2019
Claims
PCTISA
Jul 5, 2019
Description
PCTISA
Jul 5, 2019
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