C08G 73/024
Polyamines containing oxygen in the form of ether bonds in the main
Official title: {Polyamines containing oxygen in the form of ether bonds in the main chain}
C08G73/024 (Polyamines containing oxygen in the form of ether bonds in the main) appears on 262 US grants and 270 published applications in this corpus.
Search patents in C08G- Granted patents
- 262
- Published applications
- 270
- Assignees
- 168
- Inventors
- 805
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 11 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 6 |
| 2006 | 0 | 3 |
| 2007 | 2 | 0 |
| 2008 | 1 | 6 |
| 2009 | 2 | 7 |
| 2010 | 3 | 10 |
| 2011 | 4 | 7 |
| 2012 | 7 | 7 |
| 2013 | 5 | 11 |
| 2014 | 9 | 12 |
| 2015 | 10 | 15 |
| 2016 | 8 | 12 |
| 2017 | 10 | 16 |
| 2018 | 9 | 29 |
| 2019 | 15 | 15 |
| 2020 | 26 | 20 |
| 2021 | 9 | 19 |
| 2022 | 13 | 16 |
| 2023 | 12 | 14 |
| 2024 | 8 | 15 |
| 2025 | 11 | 18 |
| 2026 | 9 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions and their applications29 Sep 2026US 12,747,415 B2BASF SE
- 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
- Poly(β-amino ester)-co-polyethylene glycol (PEG-PBAE-PEG) polymers for gene and drug delivery2 Jun 2026US 12,643,980 B2The Johns Hopkins University
- Polyalkyleneimine-based polymers containing polyether chains31 Mar 2026US 12,590,183 B2BASF SE
- Unsaturated polymer electrolytes, and methods for producing and using same in electrochemical applications1 Oct 2026US 2026/0302332 A1Hydro-Quebec
- Binary polyethyleneimine emulsion breaker compositions for ethylene plant quench water systems24 Sep 2026US 2026/0285785 A1Ecolab USA Inc.
- Modified alkoxylated polyalkylene imines or modified alkoxylated polyamines6 Aug 2026US 2026/0226232 A1BASF SE
- Polypeptide ester ether amine random polymer and preparation method and application thereof2 Jul 2026US 2026/0184853 A1Zhejiang University
- Polymers for intracellular delivery of polynucleotides25 Jun 2026US 2026/0174820 A1National University of Singapore
Most cited
By later US patents
- Quaternized polymer for use as a cosmetic agent in cosmetic compositions for the hair and skin301US 4,217,914 AL'oreal · 1980
- Hair dyeing compositions containing quaternized polymer234US 4,422,853 AL'oreal · 1983
- Functional ionene compositions and their use196US 4,075,136 ACalgon Corporation · 1978
- Functional ionene compositions and their use178US 4,166,894 ACalgon Corporation · 1979
- Quaternized polymer for use as a cosmetic agent in cosmetic compositions for the hair and skin140US 5,196,189 ASociete Anonyme dite: L'Oreal · 1993