C08F 2/04
Polymerisation in solution
Official title: Polymerisation in solution (C08F2/32 takes precedence)
C08F2/04 (Polymerisation in solution) appears on 1,156 US grants and 1,183 published applications in this corpus.
Search patents in C08F- Granted patents
- 1,156
- Published applications
- 1,183
- Assignees
- 530
- Inventors
- 3,498
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 12 | 0 |
| 1983 | 9 | 0 |
| 1984 | 6 | 0 |
| 1985 | 11 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 10 | 0 |
| 1989 | 19 | 0 |
| 1990 | 12 | 0 |
| 1991 | 13 | 0 |
| 1992 | 9 | 0 |
| 1993 | 12 | 0 |
| 1994 | 6 | 0 |
| 1995 | 14 | 0 |
| 1996 | 12 | 0 |
| 1997 | 21 | 0 |
| 1998 | 22 | 0 |
| 1999 | 12 | 0 |
| 2000 | 14 | 0 |
| 2001 | 16 | 2 |
| 2002 | 17 | 19 |
| 2003 | 22 | 17 |
| 2004 | 16 | 21 |
| 2005 | 13 | 28 |
| 2006 | 10 | 20 |
| 2007 | 10 | 14 |
| 2008 | 8 | 14 |
| 2009 | 12 | 14 |
| 2010 | 10 | 27 |
| 2011 | 15 | 26 |
| 2012 | 10 | 24 |
| 2013 | 19 | 40 |
| 2014 | 33 | 25 |
| 2015 | 24 | 32 |
| 2016 | 38 | 59 |
| 2017 | 46 | 74 |
| 2018 | 62 | 90 |
| 2019 | 58 | 80 |
| 2020 | 58 | 97 |
| 2021 | 75 | 105 |
| 2022 | 87 | 89 |
| 2023 | 58 | 96 |
| 2024 | 59 | 68 |
| 2025 | 63 | 59 |
| 2026 | 41 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing C9 hydrogenated resin by reusing thermally polymerized liquid resin29 Sep 2026US 12,747,304 B2Zibo Luhua Hongjin New Material Group Co., Ltd.
- Propylene copolymers obtained using transition metal bis(phenolate) catalyst complexes and homogeneous process for production thereof29 Sep 2026US 12,747,311 B2ExxonMobil Technology and Engineering Company
- Process and catalysts for hydrogen mediated anionic polymerization of conjugated dienes and liquid polymers thereof29 Sep 2026US 12,747,315 B2Albemarle Corporation
- Method of producing organic-inorganic hybrid infrared absorbing particles and organic-inorganic hybrid infrared absorbing particles29 Sep 2026US 12,747,357 B2Sumitomo Metal Mining Co., Ltd.
- Two-component curable composition and cured product thereof15 Sep 2026US 12,735,518 B2Cosmo Oil Lubricants Co., Ltd.
- Methods for the synthesis of polymers and polymers obtained thereof24 Sep 2026US 2026/0286015 A1Synkotech Biocompatible Materials, S.L.
- Solution-Based Synthesis of Chalcogenide Polymers24 Sep 2026US 2026/0286031 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Resist polymer, photosensitive resin composition, interlayer insulating film, and polymer production method17 Sep 2026US 2026/0275019 A1Nippon Shokubai Co., Ltd.
- Conductive material with self-healing functionality, a method for manufacturing the same, and a use thereof10 Sep 2026US 2026/0265438 A1Hyundai Motor Company
- Method for Producing Copolymer Having Improved Oil Retainability27 Aug 2026US 2026/0250429 A1Kuraray Co., Ltd.
Most cited
By later US patents
- Diluent slip stream to give catalyst wetting agent491US 6,262,191 B1Phillips Petroleum Company · 2001
- Method of forming shaped hydrogel articles221US 4,680,336 AVistakon, Inc. · 1987
- Process for preparation of high water-absorbent polymer beads179US 4,446,261 AKao Soap Co., Ltd. · 1984
- Method for continuous production of cross-linked polymer157US 4,625,001 ANippon Shokubai Kagaku Kogyo Co., Ltd. · 1986
- Thermoplastic elastomer compositions from branched olefin copolymers154US 6,147,180 AExxon Chemical Patents Inc. · 2000