C08F 2/001
Multistage polymerisation processes characterised by a change in reactor conditions without deactivating
Official title: {Multistage polymerisation processes characterised by a change in reactor conditions without deactivating the intermediate polymer (C08F295/00, C08F297/00 take precedence)}
C08F2/001 (Multistage polymerisation processes characterised by a change in reactor conditions without deactivating) appears on 459 US grants and 557 published applications in this corpus.
Search patents in C08F- Granted patents
- 459
- Published applications
- 557
- Assignees
- 156
- Inventors
- 1,285
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 3 |
| 2006 | 1 | 3 |
| 2007 | 2 | 4 |
| 2008 | 0 | 2 |
| 2009 | 2 | 6 |
| 2010 | 8 | 12 |
| 2011 | 6 | 11 |
| 2012 | 2 | 14 |
| 2013 | 6 | 12 |
| 2014 | 14 | 19 |
| 2015 | 14 | 30 |
| 2016 | 42 | 35 |
| 2017 | 24 | 42 |
| 2018 | 34 | 46 |
| 2019 | 38 | 50 |
| 2020 | 41 | 56 |
| 2021 | 48 | 52 |
| 2022 | 49 | 44 |
| 2023 | 32 | 38 |
| 2024 | 27 | 34 |
| 2025 | 38 | 25 |
| 2026 | 20 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Waterbased binder for two-component coating composition18 Aug 2026US 12,709,651 B2BASF SE
- Filled automotive polypropylene composition containing recyclates14 Jul 2026US 12,679,961 B2Borealis AG
- Method of preparing polymer7 Jul 2026US 12,674,012 B2LG Chem.Ltd.
- Process for preparing an olefin-acrylate block copolymer17 Sep 2026US 2026/0275020 A1
- Resin composition, optical element, optical device, imaging device, cured product, and method of producing optical element3 Sep 2026US 2026/0258168 A1Canon Kabushiki Kaisha
- Polypropylene random copolymer compositions with improved impact resistance for pipe applications30 Jul 2026US 2026/0217959 A1Abu Dhabi Polymers Co. Ltd (Borouge) - Sole Proprietorship L.L.C.
- Waterborne polymer composition and preparation method thereof23 Jul 2026US 2026/0209411 A1Organik Kimya Netherlands BV
- Polyolefin resin composition with improved interfacial stability for insulation, a method for preparing the same and an article comprising the same2 Jul 2026US 2026/0184910 A1Hanwha Totalenergies Petrochemical Co., Ltd.
Most cited
By later US patents
- Process for preparing continuously variable-composition copolymers67US 6,140,431 ARohm and Haas Company · 2000
- Reverse staged impact copolymers63US 9,376,559 B2ExxonMobil Chemical Patents Inc. · 2016
- Emulsion polymer blend of a multi-stage latex and a non-film forming latex62US 5,308,890 ARohm and Haas Company · 1994
- Polymer particles having select pendant groups and composition prepared therefrom62US 7,179,531 B2Rohm and Haas Company · 2007
- Emulsion polymer blend35US 5,344,675 ARohm and Haas Company · 1994