C08G 64/18
Block or graft polymers
C08G64/18 (Block or graft polymers) appears on 577 US grants and 567 published applications in this corpus.
Search patents in C08G- Granted patents
- 577
- Published applications
- 567
- Assignees
- 230
- Inventors
- 1,330
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 14 | 0 |
| 1990 | 8 | 0 |
| 1991 | 20 | 0 |
| 1992 | 16 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 13 | 0 |
| 1999 | 4 | 0 |
| 2000 | 12 | 0 |
| 2001 | 6 | 2 |
| 2002 | 8 | 8 |
| 2003 | 11 | 7 |
| 2004 | 6 | 13 |
| 2005 | 5 | 5 |
| 2006 | 6 | 18 |
| 2007 | 4 | 16 |
| 2008 | 4 | 20 |
| 2009 | 13 | 9 |
| 2010 | 15 | 15 |
| 2011 | 11 | 26 |
| 2012 | 15 | 21 |
| 2013 | 21 | 15 |
| 2014 | 11 | 30 |
| 2015 | 22 | 22 |
| 2016 | 32 | 39 |
| 2017 | 31 | 48 |
| 2018 | 28 | 34 |
| 2019 | 29 | 31 |
| 2020 | 24 | 36 |
| 2021 | 32 | 28 |
| 2022 | 13 | 24 |
| 2023 | 13 | 25 |
| 2024 | 14 | 24 |
| 2025 | 19 | 37 |
| 2026 | 6 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polycarbonate-polyorganosiloxane copolymer7 Jul 2026US 12,674,033 B2Idemitsu Kosan Co., Ltd.
- Polycarbonate compositions containing polyethercarbonate polyols23 Jun 2026US 12,662,571 B2Covestro Deutschland AG
- Polycarbonate diol composition16 Jun 2026US 12,655,245 B2Asahi Kasei Kabushiki Kaisha
- Polycarbonate copolymer and method for preparing the same7 Apr 2026US 12,595,335 B2LG Chem.Ltd.
- Curable resin, cured product thereof, resin composition, and method for producing curable resin24 Mar 2026US 12,583,966 B2Mitsubishi Gas Chemical Company, Inc.
- Polycarbonate-polyorganosiloxane copolymer, polycarbonate resin composition and molded body8 Oct 2026US 2026/0308330 A1Idemitsu Kosan Co., Ltd.
- Polycarbonate-polyorganosiloxane copolymer, resin composition, and molded article thereof8 Oct 2026US 2026/0308331 A1Idemitsu Kosan Co., Ltd.
- Surface-active agent1 Oct 2026US 2026/0297250 A1Econic Technologies Ltd.
- Polycarbonate foam material, precursor composition and kit thereof10 Sep 2026US 2026/0265457 A1Basque Center for Macromolecular Design and Engineering, Polymat Fundazioa
- Laser-weldable flame-retardant polyester resin composition and molded article containing same13 Aug 2026US 2026/0234394 A1Samyang Corporation
Most cited
By later US patents
- Copolymers of tyrosine-based polycarbonate and poly(alkylene oxide)299US 5,658,995 ARutgers, The State University · 1997
- Biodegradable, anionic polymers derived from the amino acid L-tyrosine283US 6,120,491 AThe State University of Rutgers · 2000
- Hydrolytically degradable polymers and hydrogels made therefrom235US 6,348,558 B1Shearwater Corporation · 2002
- Radio-opaque polymer biomaterials182US 6,475,477 B1Rutgers, The State University · 2002
- Bioresorbable hydrogel compositions for implantable prostheses145US 6,316,522 B1SciMed Life Systems, Inc. · 2001