C08G 18/6204
Polymers of olefins
Official title: {Polymers of olefins (unsaturated polymers of conjugated dienes C08G18/69)}
C08G18/6204 (Polymers of olefins) appears on 347 US grants and 287 published applications in this corpus.
Search patents in C08G- Granted patents
- 347
- Published applications
- 287
- Assignees
- 208
- Inventors
- 896
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 11 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 18 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 2 |
| 2003 | 6 | 12 |
| 2004 | 3 | 6 |
| 2005 | 4 | 4 |
| 2006 | 9 | 8 |
| 2007 | 1 | 3 |
| 2008 | 4 | 2 |
| 2009 | 0 | 8 |
| 2010 | 2 | 8 |
| 2011 | 3 | 8 |
| 2012 | 6 | 4 |
| 2013 | 4 | 6 |
| 2014 | 6 | 5 |
| 2015 | 7 | 13 |
| 2016 | 5 | 13 |
| 2017 | 12 | 23 |
| 2018 | 8 | 23 |
| 2019 | 18 | 35 |
| 2020 | 19 | 23 |
| 2021 | 20 | 17 |
| 2022 | 18 | 24 |
| 2023 | 15 | 12 |
| 2024 | 15 | 16 |
| 2025 | 6 | 5 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polyol premixes, thermally insulating rigid polyurethane foams and methods for their production22 Sep 2026US 12,742,034 B2Covestro LLC
- Stabilizer, polymer polyol prepared using stabilizer and method for preparing polymer polyol7 Jul 2026US 12,674,014 B2Korea Kumho Petrochemical Co., Ltd.
- Curable compound, curable composition, and method for producing curable composition10 Mar 2026US 12,570,789 B2Nitto Shinko Corporation
- Supramolecular biomedical polymers10 Mar 2026US 12,570,804 B2SupraPolix B.V.
- Thermoplastic polyurethane composition17 Feb 2026US 12,552,930 B2Lubrizol Advanced Materials, Inc.
- Thermoplastic polyurethanes with high temperature stability and uses thereof3 Sep 2026US 2026/0258189 A1Lubrizol Advanced Materials, Inc.
- Radiation curable compositions for coating optical fibers27 Aug 2026US 2026/0250540 A1Covestro LLC
- Two-component polyurethane adhesive with durable adhesion to inorganic substrates13 Aug 2026US 2026/0234453 A1Ddp Specialty Electronic Materials US, LLC
- Low-volatility radiation curable compositions for coating optical fibers2 Jul 2026US 2026/0184954 A1Covestro LLC
- Expandable protective coating14 May 2026US 2026/0132306 A1
Most cited
By later US patents
- Liquid star polymers having terminal hydroxyl groups81US 5,594,072 AShell Oil Company · 1997
- Radiation curable coating for photographic laminate70US 4,786,586 AMorton Thiokol, Inc. · 1988
- Polyurethane sealants and adhesives containing saturated hydrocarbon polyols59US 5,486,570 AShell Oil Company · 1996
- Butadiene polymers having terminal functional groups57US 5,393,843 AShell Oil Company · 1995
- Thermally stable reactive hot melt urethane adhesive composition having a thermoplastic polymer, a compatible, curing urethane polyalkylene polyol prepolymer and a tackifying agent56US 4,820,368 AH. B. Fuller Company · 1989