B29K 2601/08
Cellulose derivatives
Official title: {Cellulose derivatives}
B29K2601/08 (Cellulose derivatives) appears on 6 US grants and 9 published applications in this corpus.
Search patents in B29K- Granted patents
- 6
- Published applications
- 9
- Assignees
- 9
- Inventors
- 15
- Latest grant
- 27 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 3 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Chromatography medium27 Aug 2024US 12,070,735 B2Puridify Ltd.
- Oral pouched snuff product1 Aug 2023US 11,712,058 B2Swedish Match North Europe AB
- Polarizable compact18 Jul 2023US 11,701,848 B2Nakanishi Optical Products Corp.
- Chromatography medium1 Dec 2020US 10,850,259 B2Puridify Ltd.
- Methods and apparatus for forming polarized films and glasses9 Jun 2020US 10,675,824 B2MicroContinuum, Inc.
- Cleaning Wipes16 Jul 2026US 2026/0198744 A1
- Method for manufacturing a photochromic optical article25 Aug 2022US 2022/0266556 A1Essilor International
- Chromatography Medium3 Jun 2021US 2021/0162370 A1Puridify Ltd.
- Polarizable compact9 Jul 2020US 2020/0218090 A1Nakanishi Optical Products Corp.
- An oral pouched snuff product13 Sep 2018US 2018/0255826 A1Swedish Match North Europe AB
Most cited
By later US patents