C08L 79/02
Polyamines
C08L79/02 (Polyamines) appears on 821 US grants and 1,045 published applications in this corpus.
Search patents in C08L- Granted patents
- 821
- Published applications
- 1,045
- Assignees
- 600
- Inventors
- 2,783
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 5 |
| 2002 | 5 | 13 |
| 2003 | 9 | 13 |
| 2004 | 10 | 25 |
| 2005 | 8 | 37 |
| 2006 | 15 | 20 |
| 2007 | 14 | 32 |
| 2008 | 23 | 43 |
| 2009 | 17 | 38 |
| 2010 | 22 | 67 |
| 2011 | 32 | 58 |
| 2012 | 31 | 50 |
| 2013 | 40 | 57 |
| 2014 | 36 | 50 |
| 2015 | 30 | 60 |
| 2016 | 42 | 54 |
| 2017 | 44 | 43 |
| 2018 | 38 | 58 |
| 2019 | 37 | 58 |
| 2020 | 41 | 45 |
| 2021 | 36 | 68 |
| 2022 | 34 | 36 |
| 2023 | 33 | 36 |
| 2024 | 39 | 42 |
| 2025 | 25 | 28 |
| 2026 | 11 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aqueous compositions and inkjet receiving media1 Sep 2026US 12,723,170 B2Eastman Kodak Company
- Use of polyamine- and/or polyalkanolamine-based carboxylic acid derivatives in aqueous polyurethane dispersions23 Jun 2026US 12,662,596 B2Evonik Operations GmbH
- Adhesive primer for flexographic plate mounting tape12 May 2026US 12,624,257 B23M Innovative Properties Company
- Polymeric binder and high molecular weight polymer antifouling compositions28 Apr 2026US 12,612,531 B2The University of British Columbia
- Polymer, quantum dot composition and light-emitting device employing the same14 Apr 2026US 12,604,655 B2Industrial Technology Research Institute
- Amphiphilic poly(amino acid) linear block copolymers and nanoparticles thereof for drug delivery applications9 Jul 2026US 2026/0191797 A1Nanothera Biosciences, Inc.
- Polymers for intracellular delivery of polynucleotides25 Jun 2026US 2026/0174820 A1National University of Singapore
- Salt responsive nanogels and nanoparticles25 Jun 2026US 2026/0174897 A1Howard University
- Branched poly(-amino esters) for the delivery of nucleic acids7 May 2026US 2026/0124155 A1Massachusetts Institute of Technology
- Packaging biomaterial and method for manufacturing thereof23 Apr 2026US 2026/0109823 A1Kyiv Institute of Biotechnologies
Most cited
By later US patents
- Water soluble rapid prototyping support and mold material219US 6,228,923 B1Stratasys, Inc. · 2001
- Hydrolytically-stable dense star polyamine191US 4,631,337 AThe Dow Chemical Company · 1986
- Bone regeneration membrane165US 5,676,699 ALaboratorium fur experimentalle Chirurgie, Forschungsinstitut · 1997
- Adhesive compositions including polyvinylpyrrolidone acrylic acid polymers, and polyamines154US 5,645,855 ARidge Scientific Enterprises, Inc. · 1997
- Pressure sensitive conductive adhesive having hot-melt properties and biomedical electrodes using same150US 6,232,366 B13M Innovative Properties Company · 2001