C09F 3/02
As a by-product in the paper-pulping process
Official title: as a by-product in the paper-pulping process
C09F3/02 (As a by-product in the paper-pulping process) appears on 2 US grants and 6 published applications in this corpus.
Search patents in C09F- Granted patents
- 2
- Published applications
- 6
- Assignees
- 4
- Inventors
- 6
- Latest grant
- 24 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
By publication year.
Recent patents
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- Method for desulfurization of methanol21 Oct 2021US 2021/0322895 A1Stora Enso OYJ
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- Apparatus and method for separation of components with different volatility in a mixed fluid9 Jul 2020US 2020/0215452 A1Rosenblad Design Aktiebolag
- Matte Film Having A Printable Polyalkylimine Condensation Product11 Dec 2014US 2014/0363593 A1Jindal Films Americas LLC
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.