C08G 18/2009
Containing one heterocyclic ring
Official title: {containing one heterocyclic ring}
C08G18/2009 (Containing one heterocyclic ring) appears on 337 US grants and 392 published applications in this corpus.
Search patents in C08G- Granted patents
- 337
- Published applications
- 392
- Assignees
- 196
- Inventors
- 1,137
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 7 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 7 |
| 2003 | 6 | 10 |
| 2004 | 6 | 8 |
| 2005 | 4 | 6 |
| 2006 | 6 | 5 |
| 2007 | 0 | 4 |
| 2008 | 1 | 5 |
| 2009 | 2 | 3 |
| 2010 | 2 | 8 |
| 2011 | 1 | 9 |
| 2012 | 1 | 7 |
| 2013 | 5 | 2 |
| 2014 | 8 | 7 |
| 2015 | 7 | 12 |
| 2016 | 6 | 14 |
| 2017 | 6 | 13 |
| 2018 | 12 | 24 |
| 2019 | 11 | 35 |
| 2020 | 22 | 22 |
| 2021 | 26 | 43 |
| 2022 | 19 | 46 |
| 2023 | 13 | 36 |
| 2024 | 22 | 31 |
| 2025 | 15 | 18 |
| 2026 | 10 | 17 |
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
- Silicate-modified high-toughness and low-heat polymer grouting material for reinforcement16 Jun 2026US 12,655,273 B2SAFEKEY Engineering Technology (Zhengzhou), Ltd.
- Coatings from polyisocyanurate coatings (rim) and their use in injection molding processes7 Apr 2026US 12,594,700 B2Covestro Deutschland AG
- Sulfonic acid-modified polyisocyanate and preparation method therefor24 Feb 2026US 12,559,453 B2Wanhua Chemical Group Co., Ltd.
- Compositions containing uretdione groups crosslinking at low temperatures24 Feb 2026US 12,559,586 B2Covestro Deutschland AG
- Polyisocyanates with improved properties3 Sep 2026US 2026/0258190 A1Covestro Deutschland AG
- Liquid, One Component, Moisture Curable Polyurethane for Bonding Untreated Metals20 Aug 2026US 2026/0242645 A1Henkel AG & Co. KGaA
- Polyurethane composition for rotational molding and use thereof30 Jul 2026US 2026/0217895 A1BASF SE
- Biobased polyester polyol and polyurethane foam system containing the same16 Jul 2026US 2026/0201102 A1BASF SE
- Polyurethane foam-forming reaction mixtures, polyurethane foams formed therefrom, and methods for their production and use16 Jul 2026US 2026/0201107 A1Covestro LLC
Most cited
By later US patents
- Synthesis of polysaccharide covered superparamagnetic oxide colloids143US 5,262,176 AAdvanced Magnetics, Inc. · 1993
- Biologically degradable superparamagnetic particles for use as nuclear magnetic resonance imaging agents136US 4,770,183 AAdvanced Magnetics, Inc. · 1988
- Metabolically acceptable polyisocyanate adhesives96US 4,829,099 ABioResearch Inc. · 1989
- Biologically degradable superparamagnetic materials for use in clinical applications95US 4,827,945 AAdvanced Magnetics, Inc. · 1989
- Vascular magnetic imaging method and agent comprising biodegradeable superparamagnetic metal oxides64US 5,055,288 AAdvanced Magnetics, Inc. · 1991