C08G 18/5042
Containing ureum groups
Official title: {containing ureum groups}
C08G18/5042 (Containing ureum groups) appears on 43 US grants and 8 published applications in this corpus.
Search patents in C08G- Granted patents
- 43
- Published applications
- 8
- Assignees
- 20
- Inventors
- 80
- Latest grant
- 6 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Polyisocyanate resins6 Aug 2024US 12,054,579 B2Covestro LLC
- Polyisocyanate resins22 Aug 2023US 11,732,083 B2Covestro LLC
- Epoxy systems having improved fracture toughness25 Sep 2018US 10,081,704 B2Evonik Degussa GmbH
- Urea-based pressure sensitive adhesives17 Apr 2018US 9,944,835 B23M Innovative Properties Company
- Golf ball12 Dec 2017US 9,839,815 B2Dunlop Sports Co. Ltd.
- Polyol Composition13 Feb 2025US 2025/0051507 A1Covestro Deutschland AG
- Structural polyurethane adhesive28 Mar 2024US 2024/0101881 A1Mitsui Chemicals, Inc.
- Polyisocyanate resins19 Oct 2023US 2023/0331901 A1Covestro LLC
- Polyisocyanate resins19 May 2022US 2022/0153916 A1Covestro LLC
- Epoxy systems having improved fracture toughness29 Sep 2016US 2016/0280844 A1Air Products and Chemicals, Inc.
Most cited
By later US patents
- Stable, colloidal, aqueous dispersions of cross-linked urea-urethane polymers and their method of production108US 4,408,008 AMobay Chemical Corporation · 1983
- Production of water-dispersible polyurethanes having ionic groups and hydrophilic side chains93US 4,092,286 ABayer Aktiengesellschaft · 1978
- Stable, aqueous dispersions of polyurethane-ureas73US 4,501,852 AMobay Chemical Corporation · 1985
- Water-dispersible polyurethanes68US 4,190,566 ABayer Aktiengesellschaft · 1980
- Cationic electrolyte-stable dispersions and process for producing polyurethanes useful therein51US 4,238,378 ABayer Aktiengesellschaft · 1980