The patent EP3286165 was granted to Stamicarbon on Feb 17, 2021. The application was originally filed on Apr 25, 2016 under application number EP16732782A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number | 
|---|---|
| DESCRIPTION | EP1716111 | 
| EXAMINATION | US6586629 | 
| EXAMINATION | WO9808808 | 
| INTERNATIONAL-SEARCH-REPORT | EP1716111 | 
| INTERNATIONAL-SEARCH-REPORT | US3239522 | 
| OPPOSITION | EP2521710 | 
| OPPOSITION | US2014005436 | 
| OPPOSITION | US3700672 | 
| OPPOSITION | US3723430 | 
| OPPOSITION | US4565867 | 
| OPPOSITION | WO03095516 | 
| OPPOSITION | WO2005080321 | 
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text | 
|---|---|
| DESCRIPTION | - Ullmann's Encyclopedia of Industrial Chemistry, (1996), vol. A27, pages 333 - 350 | 
| DESCRIPTION | - Ullmann's Encyclopedia of Industrial Chemistry; Melamine and Guanamines, (2002), vol. 22, pages 377 - 392 | 
| OPPOSITION | - Crews George M, Et Al, "Melamine and Guanamines", ULLMANN'S ENCYCLOPEDIA OF INDUSTRIAL CHEMISTRY, (20120101), vol. 22, pages 377 - 392, XP055867200 | 
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Decision to grant a European patent
Search/Exam
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Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Amended claims with annotations
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Mar 4, 2019
Claims
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Mar 4, 2019
Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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Examination started
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Reply to Written Opinion prepared by the EPO
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Communication to designated inventor
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Priority search results copy provided by EPO
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Request for entry into the European phase
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Sep 1, 2017
Information on entry into European phase
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Nov 15, 2016
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Copy of the international search report
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Published international application - A1
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Sep 14, 2016
ISR: cited documents
PCTISA
Sep 13, 2016
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Apr 25, 2016
Abstract
PCTISA
Apr 25, 2016
Claims
PCTISA
Apr 25, 2016
Description
PCTISA
Apr 25, 2016
Drawings
PCTISA