Polycarbonate Compositions Having Improved Adhesion To Polyurethane Layers - EP3057755
The patent EP3057755 was granted to Covestro Deutschland on Jan 1, 2020. The application was originally filed on Oct 13, 2014 under application number EP14789206A. The patent is currently recorded with a legal status of "Revoked".
EP3057755
- Application Number
- EP14789206A
- Filing Date
- Oct 13, 2014
- Status
- Revoked
- Oct 1, 2021
- Grant Date
- Jan 1, 2020
- External Links
- Slate, Register, Google Patents
Patent Summary
Patent Family
Patent Oppositions
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 (6) New
Patent citations refer to prior patents cited during different phases such as opposition or international search.
Download Citation Report
Get a free citation report including examiner, opposition, and international search citations.
Get Citation ReportDossier Documents
The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.
Date
Description
Get instant alerts for new documents