C08G 73/0206
Polyalkyleneamines
Official title: {Polyalkylene(poly)amines}
C08G73/0206 (Polyalkyleneamines) appears on 776 US grants and 716 published applications in this corpus.
Search patents in C08G- Granted patents
- 776
- Published applications
- 716
- Assignees
- 463
- Inventors
- 2,086
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 32 | 0 |
| 1978 | 15 | 0 |
| 1979 | 8 | 0 |
| 1980 | 13 | 0 |
| 1981 | 10 | 0 |
| 1982 | 9 | 0 |
| 1983 | 12 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 16 | 0 |
| 1997 | 23 | 0 |
| 1998 | 12 | 0 |
| 1999 | 14 | 0 |
| 2000 | 21 | 0 |
| 2001 | 15 | 8 |
| 2002 | 16 | 7 |
| 2003 | 9 | 11 |
| 2004 | 9 | 18 |
| 2005 | 12 | 21 |
| 2006 | 12 | 13 |
| 2007 | 6 | 18 |
| 2008 | 8 | 25 |
| 2009 | 9 | 27 |
| 2010 | 13 | 23 |
| 2011 | 11 | 20 |
| 2012 | 16 | 25 |
| 2013 | 24 | 32 |
| 2014 | 24 | 50 |
| 2015 | 27 | 41 |
| 2016 | 22 | 29 |
| 2017 | 40 | 41 |
| 2018 | 28 | 41 |
| 2019 | 29 | 38 |
| 2020 | 31 | 41 |
| 2021 | 18 | 41 |
| 2022 | 23 | 37 |
| 2023 | 29 | 29 |
| 2024 | 23 | 34 |
| 2025 | 15 | 25 |
| 2026 | 15 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cleavable conjugates of catechol compounds and water-soluble polymers and methods of treatment using the same25 Aug 2026US 12,714,704 B2Serina Therapeutics (AL), Inc.
- Compositions for transfecting a nucleic acid molecule into a cell comprising benzo-fused heterocyclic compounds grafted to a cationic polymer, and their applications25 Aug 2026US 12,716,075 B2Sartorius Polyplus
- Polyalkyleneimine-based polymer as dispersants11 Aug 2026US 12,703,773 B2BASF SE
- Amphiphilic alkoxylated polyalkylene imines or alkoxylated polyamines4 Aug 2026US 12,698,360 B2BASF SE
- Carbon dioxide capture process using hydrogels21 Jul 2026US 12,685,958 B2Commonwealth Scientific and Industrial Research Organisation
- Derivatized polyamine polymers for use in metal scavenging applications8 Oct 2026US 2026/0308027 A1Bl Technologies, Inc.
- Carbon dioxide capture process using hydrogels24 Sep 2026US 2026/0284567 A1Commonwealth Scientific and Industrial Research Organisation
- Compositions and methods for delivering cargo to cells13 Aug 2026US 2026/0232601 A1The University of North Carolina at Chapel Hill
- Modified alkoxylated polyalkylene imines or modified alkoxylated polyamines6 Aug 2026US 2026/0226232 A1BASF SE
- Alkoxylated polyalkyleneimines, preparation and use6 Aug 2026US 2026/0226235 A1BASF SE
Most cited
By later US patents
- Use of hexahydrolupulones as antibacterial agents1,024US 6,486,286 B1Affymetrix, Inc. · 2002
- Quaternized polymer for use as a cosmetic agent in cosmetic compositions for the hair and skin301US 4,217,914 AL'oreal · 1980
- Ester-terminated polyamides of polymerized fatty acids useful in formulating transparent gels in low polarity liquids271US 5,783,657 AUnion Camp Corporation · 1998
- Treating hair with quaternized polymers252US 4,197,865 AL'oreal · 1980
- Randomly terminated capped polymers248US 4,027,020 AMillmaster Onyx Corporation · 1977