C08F 2500/37
Elution or crystallisation fractionation
Official title: Elution or crystallisation fractionation, e.g. as determined by. TREF or Crystaf
C08F2500/37 (Elution or crystallisation fractionation) appears on 8 US grants and 9 published applications in this corpus.
Search patents in C08F- Granted patents
- 8
- Published applications
- 9
- Assignees
- 9
- Inventors
- 33
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2020 | 0 | 2 |
| 2021 | 0 | 4 |
| 2022 | 3 | 2 |
| 2023 | 3 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Olefin-based polymer4 Aug 2026US 12,698,353 B2LG Chem.Ltd.
- Polyethylene film for heat sealing4 Feb 2025US 12,215,208 B2Sabic Global Technologies B.V.
- Ziegler-Natta produced polyethylene and methods thereof10 Oct 2023US 11,780,942 B2Braskem S/A
- Polyolefin resin composition and production method of same20 Jun 2023US 11,680,160 B2DL Chemical CO., LTD.
- Polypropylene composition with low shrinkage at wide application temperature range14 Feb 2023US 11,578,198 B2Borealis AG
- Olefin-Based Polymer25 Jan 2024US 2024/0026046 A1LG Chem.Ltd.
- Beta nucleated heterophasic polypropylene composition3 Nov 2022US 2022/0348750 A1Borealis AG
- Polyethylene film for heat sealing3 Mar 2022US 2022/0064389 A1Sabic Global Technologies B.V.
- Long-Chain Branched Ethylene Copolymer With Novel Composition Distribution and Films Formed from the Same9 Dec 2021US 2021/0380736 A1Formosa Plastics Corporation, U. S. A
- Propylene-based polymer, method for producing the same, propylene-based resin composition and molded article20 May 2021US 2021/0147663 A1Mitsui Chemicals, Inc.
Most cited
By later US patents
- Catalyst composition for polymerizing polyolefin, method for producing polyolefin, and polyolefin resin5US 11,332,553 B2DL Chemical CO., LTD. · 2022
- Polyolefin resin composition and production method of same2US 11,680,160 B2DL Chemical CO., LTD. · 2023
- Polypropylene composition with low shrinkage at wide application temperature range1US 11,578,198 B2Borealis AG · 2023