C08G 65/2672
Nitrogen or compounds thereof
Official title: {Nitrogen or compounds thereof}
C08G65/2672 (Nitrogen or compounds thereof) appears on 34 US grants and 33 published applications in this corpus.
Search patents in C08G- Granted patents
- 34
- Published applications
- 33
- Assignees
- 32
- Inventors
- 137
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 4 |
| 2012 | 0 | 1 |
| 2013 | 0 | 5 |
| 2014 | 3 | 1 |
| 2015 | 4 | 2 |
| 2016 | 3 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 3 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 4 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alkylene oxide polymerization using aluminum compounds and cyclic amidines26 May 2026US 12,637,541 B2Dow Global Technologies LLC
- Process for preparing a polyoxyalkylene carbonate polyol12 Aug 2025US 12,384,869 B2Covestro Deutschland AG
- Polyol components and use thereof for the production of rigid polyurethane foams19 Nov 2024US 12,146,022 B2BASF SE
- Lewis acid-base pair catalytic initiator and application thereof15 Feb 2022US 11,247,199 B2
- Process for the continuous production of polyether polyols25 Aug 2020US 10,752,731 B2BASF Schwarzheide GmbH
- Shape-memory polymer comprising 6-arm structure compound, and use thereof13 Mar 2025US 2025/0084212 A1Tmd Lab Co., Ltd
- Process for preparing polyoxyalkylene polyester polyols16 Jan 2025US 2025/0019486 A1Covestro Deutschland AG
- Polyphenylene ether, production method of the same, thermosetting composition, prepreg, and laminate15 Aug 2024US 2024/0270903 A1Asahi Kasei Kabushiki Kaisha
- Food or beverage contact articles coated with resins derived from reactions of phenols with polyolefinic terpenes17 Aug 2023US 2023/0257625 A1Swimc LLC
- Process for preparing a polyoxyalkylene carbonate polyol8 Jun 2023US 2023/0174705 A1Covestro Deutschland AG
Most cited
By later US patents
- Method for producing fatty acid polyglycol ester sulphates27US 6,235,913 B1Cognis Deutschland GmbH & Co. KG · 2001
- Flexible polyurethane foam with high durability18US 6,063,825 AMitsui Chemicals, Inc. · 2000
- Urea catalyst for preparation of sucrose polyols useful for rigid polyurethane foams15US 4,820,810 AARCO Chemical Technology, L. P. · 1989
- Production of polyether polyol compositions11US 4,166,172 ATexas Development Corporation · 1979
- Polyol preparation11US 4,228,310 ATexaco Development Corporation · 1980