C08G 73/0273
Polyamines containing heterocyclic moieties in the main chain
Official title: {Polyamines containing heterocyclic moieties in the main chain}
C08G73/0273 (Polyamines containing heterocyclic moieties in the main chain) appears on 220 US grants and 183 published applications in this corpus.
Search patents in C08G- Granted patents
- 220
- Published applications
- 183
- Assignees
- 148
- Inventors
- 616
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 0 |
| 2002 | 3 | 3 |
| 2003 | 2 | 3 |
| 2004 | 2 | 1 |
| 2005 | 2 | 5 |
| 2006 | 3 | 5 |
| 2007 | 2 | 1 |
| 2008 | 1 | 3 |
| 2009 | 1 | 4 |
| 2010 | 2 | 10 |
| 2011 | 4 | 7 |
| 2012 | 5 | 8 |
| 2013 | 7 | 15 |
| 2014 | 8 | 7 |
| 2015 | 7 | 17 |
| 2016 | 11 | 16 |
| 2017 | 16 | 8 |
| 2018 | 11 | 16 |
| 2019 | 10 | 15 |
| 2020 | 17 | 10 |
| 2021 | 9 | 9 |
| 2022 | 6 | 2 |
| 2023 | 3 | 2 |
| 2024 | 6 | 9 |
| 2025 | 5 | 6 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Melamine-based polymers and uses thereof6 Oct 2026US 12,753,272 B2Bio-Fence Ltd.
- Triazine ring-containing polymer and film forming composition containing same25 Nov 2025US 12,479,960 B2Nissan Chemical Corporation
- All-scale self-assembly and precise positioning of supraparticles14 Oct 2025US 12,441,978 B2The Regents of the University of California
- Degradable polymers and monomers therefor24 Jun 2025US 12,338,210 B2The Board of Trustees of the University of Illinois
- Recyclable and reconfigurable high-performance polymer networks and uses thereof22 Apr 2025US 12,281,100 B2The Regents of the University of California
- Polymer and manufacturing method thereof and material for anion exchange comprising the same30 Jul 2026US 2026/0217915 A1Hanwha Solutions Corporation
- Recyclable and reconfigurable high-performance polymer networks and uses thereof31 Jul 2025US 2025/0243185 A1The Regents of the University of California
- Composite material and preparation method thereof, and light-emitting device3 Jul 2025US 2025/0221293 A1Tcl Technology Group Corporation
- Hexavalent substituted benzenes8 May 2025US 2025/0145767 A1Northeastern University
- Polymer, composition, cured product, laminated body, and electronic component17 Apr 2025US 2025/0122404 A1Jsr Corporation
Most cited
By later US patents
- Ester-terminated polyamides of polymerized fatty acids useful in formulating transparent gels in low polarity liquids271US 5,783,657 AUnion Camp Corporation · 1998
- Anti-microbial quaternary ammonium co-polymers206US 4,026,945 AMillmaster Onyx Corporation · 1977
- Anti-microbial quaternary ammonium co-polymers199US 4,025,617 AMillmaster Onyx Corporation · 1977
- Quaternary ammonium co-polymers for controlling the proliferation of bacteria189US 3,966,904 AMillmaster Onyx Corporation · 1976
- Piperazine based polymer and hair treating composition containing the same169US 4,013,787 ASociete Anonyme dite: L'Oreal · 1977