C08F 2810/40
Taking place solely at one end or both ends of the polymer
Official title: taking place solely at one end or both ends of the polymer backbone, i.e. not in the side or lateral chains
C08F2810/40 (Taking place solely at one end or both ends of the polymer) appears on 411 US grants and 464 published applications in this corpus.
Search patents in C08F- Granted patents
- 411
- Published applications
- 464
- Assignees
- 271
- Inventors
- 1,128
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 12 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 2 |
| 2002 | 2 | 2 |
| 2003 | 5 | 12 |
| 2004 | 5 | 14 |
| 2005 | 8 | 11 |
| 2006 | 9 | 14 |
| 2007 | 10 | 10 |
| 2008 | 6 | 5 |
| 2009 | 5 | 11 |
| 2010 | 9 | 22 |
| 2011 | 4 | 11 |
| 2012 | 9 | 7 |
| 2013 | 19 | 23 |
| 2014 | 14 | 25 |
| 2015 | 15 | 12 |
| 2016 | 16 | 22 |
| 2017 | 24 | 29 |
| 2018 | 12 | 33 |
| 2019 | 22 | 27 |
| 2020 | 22 | 39 |
| 2021 | 28 | 26 |
| 2022 | 17 | 30 |
| 2023 | 27 | 33 |
| 2024 | 17 | 24 |
| 2025 | 16 | 11 |
| 2026 | 13 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing catalyst for polymerization of olefin, catalyst for polymerization of olefin, and method for producing polymer of olefin15 Sep 2026US 12,735,525 B2Toho Titanium Co., Ltd.
- Graft polymer25 Aug 2026US 12,715,951 B2Daikin Industries, Ltd.
- Functional ethylene and 1,3-diene copolymers5 May 2026US 12,617,939 B2Compagnie Generale Des Etablissements Michelin
- Resin composition and preparation method therefor21 Apr 2026US 12,606,653 B2Kolon Industries, Inc.
- Resin composition, method for producing modified hydrogenated block copolymer, and molded article17 Mar 2026US 12,577,390 B2Asahi Kasei Kabushiki Kaisha
- Vinyl-based polymer, method for producing same, polishing liquid, and vinyl-based monomer8 Oct 2026US 2026/0308299 A1Toagosei Co., Ltd.
- Functional ethylene and 1,3-diene copolymers27 Aug 2026US 2026/0250497 A1Compagnie Generale Des Etablissements Michelin
- Processes for producing reaction products including quaternary ammonium salts13 Aug 2026US 2026/0234299 A1The Lubrizol Corporation
- Method for preparing monomodal polyisoprene with dilithium initiators6 Aug 2026US 2026/0226207 A1Bridgestone Corporation
- Preparation of branched polydienes and polydiene copolymers30 Jul 2026US 2026/0217875 A1
Most cited
By later US patents
- Polymers of N-acryloylmorpholine activated at one end and conjugates with bioactive materials and surfaces225US 5,629,384 AConsiglio Nazionale Delle Ricerche · 1997
- Novel telechelic polymers and processes for the preparation thereof102US 4,342,849 AThe University of Akron · 1982
- Liquid star polymers having terminal hydroxyl groups81US 5,594,072 AShell Oil Company · 1997
- Reactive, low molecular weight, viscous poly(1-olefins) and copoly(1-olefins) and their method of manufacture68US 5,688,887 AAmoco Corporation · 1997
- Aldehyde-telechelic polyisobutylenes, catalytic method for preparing the same with high conversion and selectivity, and block copolymers made thereform66US 5,340,881 AThe University of Akron · 1994