Field briefing
D21H · Pulp compositions
Pulp compositions; preparation thereof not covered by subclasses d21c or d21d; impregnating or coating of paper; treatment of finished paper not covered by class b31 or subclass d21g; paper not otherwise provided for. Patents classified in CPC D21H, part of Textiles and paper.
Dates, owners, statuses and filings come from the published records. Derived views are counted from them. Highlighted text is a plain-English AI reading, written from a patent's title and abstract. Legal statuses and expiry dates are estimates, not legal advice.
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Connected industries
Other industries that share patents, companies or citations with Pulp compositions.
Newest patents in D21H · Pulp compositions
5 patents imported from the European Patent Office; newest published 2026-10-01; most active companies: Delfortgroup AG, 国网四川省电力公司电力科学研究院, 昌宇应力技术（上海）有限公司.
- ELEKTROLYTKOMPONENTE FÜR ELEKTROCHEMISCHE ELEMENTE DE102025112185A1, published 2026-10-01
- STROMABNEHMER FÜR ELEKTROCHEMISCHE ELEMENTE DE102025112191A1, published 2026-10-01
- 一种羟基化氮化硼纳米片增强纤维素绝缘纸、制备方法及应用 CN122629748A, published 2026-08-25
- 一种用于高压线缆表面防潮防老化的硅脂材料制备工艺 CN122543333A, published 2026-08-11
- 一种用于变压器线圈绕制的绝缘材料及制备方法 CN122531828A, published 2026-08-07
Most active companies
Counted over the newest 5 imported patents in this industry.
- Delfortgroup AG 2 patents
- 国网四川省电力公司电力科学研究院 1 patent
- 昌宇应力技术（上海）有限公司 1 patent
- 河南金质绝缘新材料有限公司 1 patent
Connected industries
- H01B · Cables 3 patents in both