C08G 65/2654
Aluminium or boron
Official title: {Aluminium or boron; Compounds thereof}
C08G65/2654 (Aluminium or boron) appears on 107 US grants and 93 published applications in this corpus.
Search patents in C08G- Granted patents
- 107
- Published applications
- 93
- Assignees
- 63
- Inventors
- 312
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 1 |
| 2003 | 7 | 5 |
| 2004 | 4 | 10 |
| 2005 | 4 | 5 |
| 2006 | 2 | 6 |
| 2007 | 2 | 1 |
| 2008 | 3 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 9 |
| 2011 | 3 | 6 |
| 2012 | 3 | 1 |
| 2013 | 3 | 0 |
| 2014 | 4 | 3 |
| 2015 | 2 | 3 |
| 2016 | 5 | 2 |
| 2017 | 0 | 1 |
| 2018 | 6 | 3 |
| 2019 | 0 | 4 |
| 2020 | 1 | 8 |
| 2021 | 4 | 2 |
| 2022 | 3 | 7 |
| 2023 | 1 | 4 |
| 2024 | 5 | 0 |
| 2025 | 2 | 6 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Alkylene oxide polymerization using aluminum compounds and cyclic amidines26 May 2026US 12,637,541 B2Dow Global Technologies LLC
- Method for sequence controllable block copolymerization of cyclic ester and epoxy monomers28 Apr 2026US 12,612,490 B2South China University of Technology
- Alkylene oxide polymerization using aluminum compounds and phosphorus-nitrogen bases14 Apr 2026US 12,600,816 B2Dow Global Technologies LLC
- Composition and methods20 Jan 2026US 12,528,911 B2
- Compact polyurethane25 Mar 2025US 12,258,437 B2BASF SE
- Method for the deactivation of an acid catalyst during the production process of a polyoxymethylene copolymer23 Jul 2026US 2026/0209432 A1Base SE
- Alkylene oxide polymerization using aluminum compounds and phosphorus-nitrogen bases2 Jul 2026US 2026/0184848 A1Dow Global Technologies LLC
- Method for producing (poly)alkylene glycol monoalkyl ether4 Jun 2026US 2026/0152459 A1Nippon Shokubai Co., Ltd.
- Composition and methods23 Apr 2026US 2026/0109811 A1VIRIDICO2 Limited
- Composite catalyst for catalyzing polymerization of cyclic ethers, a preparation method and a use thereof20 Nov 2025US 2025/0353957 A1Shanghai DiYang Chemical Technology Co., Ltd.
Most cited
By later US patents
- Process for production of alkyllene oxide polymers34US 6,979,722 B2Sumitomo Seika Chemicals Co., Ltd. · 2005
- Polymerization of tetrahydrofuran31US 4,189,566 ABASF SE · 1980
- Method for preparing polyether glycols23US 4,127,513 AE. I. Du Pont de Nemours and Company · 1978
- Carbon dioxide-philic compounds and methods of synthesis thereof23US 6,686,438 B1University of Pittsburgh · 2004
- Method of catalytically preparing tetrahydrofuran/alkylene oxide polymerizates using a montmorillonite clay as the catalyst21US 4,228,272 AE. I. Du Pont de Nemours and Company · 1980