C08F 297/086
The block polymer contains at least three blocks
Official title: {the block polymer contains at least three blocks}
C08F297/086 (The block polymer contains at least three blocks) appears on 69 US grants and 54 published applications in this corpus.
Search patents in C08F- Granted patents
- 69
- Published applications
- 54
- Assignees
- 38
- Inventors
- 228
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 5 |
| 2007 | 0 | 3 |
| 2008 | 1 | 7 |
| 2009 | 4 | 4 |
| 2010 | 3 | 2 |
| 2011 | 8 | 4 |
| 2012 | 6 | 1 |
| 2013 | 2 | 3 |
| 2014 | 2 | 2 |
| 2015 | 1 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 3 |
| 2020 | 0 | 5 |
| 2021 | 0 | 2 |
| 2022 | 9 | 1 |
| 2023 | 0 | 3 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyolefin-polystyrene-based multiblock copolymer and method for preparing the same7 Apr 2026US 12,595,330 B2LG Chem.Ltd.
- Synthesis of block polymers based on 1,3-diene and ethylene7 Apr 2026US 12,595,331 B2Centre National De La Recherche Scientifique
- Method for preparing polyolefin-polystyrene-based multiblock copolymer14 Oct 2025US 12,441,830 B2LG Chem.Ltd.
- Polyethylene and polypropylene block copolymers11 Mar 2025US 12,247,092 B2Cornell University
- Symmetrical polyolefin block copolymer and preparation method therefor23 Apr 2024US 11,965,051 B2Ajou University Industry-Academic Cooperation Foundation
- Process for the production of olefinic block copolymers13 Aug 2026US 2026/0234316 A1Sabic Global Technologies B.V.
- Ternary diblock copolymer, active cationic polymerization initiator composition, diisopropenylbenzene copolymer, terpene polymer, flame-retardant resin composition, flame-retardant resin cured product and uses thereof8 Jan 2026US 2026/0008881 A1Chin Yee Chemical Industries Co.,Ltd.
- Ethylene-rich diene triblock polymer having a statistical block and two terminal polyethylene blocks8 Feb 2024US 2024/0043600 A1Centre National De La Recherche Scientifique
- Synthesis of block polymers based on 1,3-diene and ethylene25 Jan 2024US 2024/0026058 A1Centre National De La Recherche Scientifique
- Stereoblock diene copolymers and preparation process thereof28 Dec 2023US 2023/0416436 A1
Most cited
By later US patents
- Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation128US 7,858,706 B2Dow Global Technologies LLC · 2010
- Adhesive and marking compositions made from interpolymers of ethylene/α-olefins67US 7,989,543 B2Dow Global Technologies LLC · 2011
- Plasto-elastic polypropylene compositions64US 5,302,454 AHimont Incorporated · 1994
- Polymer blends from interpolymers of ethylene/alpha-olefin with improved compatibility53US 7,622,529 B2Dow Global Technologies LLC · 2009
- Process for preparing propylene polymer composition and propylene polymer composition51US 5,753,769 AMitsui Petrochemical Industries, Ltd. · 1998