C08G 12/12
Ureas
Official title: Ureas; Thioureas
C08G12/12 (Ureas) appears on 153 US grants and 71 published applications in this corpus.
Search patents in C08G- Granted patents
- 153
- Published applications
- 71
- Assignees
- 100
- Inventors
- 325
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 9 | 0 |
| 1978 | 10 | 0 |
| 1979 | 3 | 0 |
| 1980 | 10 | 0 |
| 1981 | 12 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 6 | 5 |
| 2004 | 1 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 4 |
| 2007 | 2 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 6 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 5 | 4 |
| 2013 | 0 | 6 |
| 2014 | 1 | 2 |
| 2015 | 8 | 5 |
| 2016 | 4 | 4 |
| 2017 | 4 | 1 |
| 2018 | 2 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 2 | 4 |
| 2024 | 2 | 4 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Binding composition for several applications12 May 2026US 12,624,145 B2Stm Technologies S.R.L.
- Blended furnish with improved performance and methods of making and using the same22 Oct 2024US 12,122,943 B2Arclin USA LLC
- Schiff base oligomers24 Sep 2024US 12,098,250 B2The Boeing Company
- Preparation of urea-formaldehyde/poly(butylene succinate) and its ternary biodegradable polymer nano slow/controlled release materials by reactive extrusion22 Aug 2023US 11,732,078 B2North University of China
- Schiff base oligomers15 Aug 2023US 11,725,080 B2The Boeing Company
- Ammoniated polycarbamide separation aids for mineral flotation12 Mar 2026US 2026/0070068 A1Hexion Inc.
- Soil improver26 Dec 2024US 2024/0425755 A1Green Geoearth GmbH
- Modified aminoplastic adhesive resin, procedure of its preparation, and composite materials prepared using the modified aminoplastic adhesive resin19 Dec 2024US 2024/0417502 A1Lignum Technologies AG
- Modified aminoplastic adhesive resin, procedure of its preparation, and composite materials prepared using the modified aminoplastic adhesive resin25 Jul 2024US 2024/0247173 A1Lignum Technologies AG
- Schiff base oligomers22 Feb 2024US 2024/0059840 A1The Boeing Company
Most cited
By later US patents
- Preparation method of amino resin particulate having narrow particle size distribution109US 5,049,645 AMitsui Toatsu Chemicals, Inc. · 1991
- Urea-formaldehyde resin composition and method of manufacture thereof67US 5,362,842 AGeorgia-Pacific Resins, Inc. · 1994
- Latent catalysts59US 5,187,019 AKing Industries, Inc. · 1993
- Processes for forming and using particles coated with a resin which is resistant to high temperature and high pH aqueous environments55US 4,898,750 ATexaco Inc. · 1990
- Shingle and mat tensile strength with urea formaldehyde resin modifier38US 7,272,915 B2Building Materials Investment Corporation · 2007