C09J 161/20
Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached
Official title: Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen (with amino phenols C09J161/04)
C09J161/20 (Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached) appears on 165 US grants and 183 published applications in this corpus.
Search patents in C09J- Granted patents
- 165
- Published applications
- 183
- Assignees
- 121
- Inventors
- 434
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 5 | 9 |
| 2004 | 2 | 2 |
| 2005 | 3 | 3 |
| 2006 | 0 | 5 |
| 2007 | 1 | 8 |
| 2008 | 2 | 7 |
| 2009 | 2 | 6 |
| 2010 | 2 | 5 |
| 2011 | 4 | 4 |
| 2012 | 5 | 5 |
| 2013 | 5 | 6 |
| 2014 | 0 | 12 |
| 2015 | 4 | 8 |
| 2016 | 7 | 12 |
| 2017 | 8 | 9 |
| 2018 | 7 | 9 |
| 2019 | 8 | 12 |
| 2020 | 6 | 14 |
| 2021 | 11 | 10 |
| 2022 | 12 | 7 |
| 2023 | 5 | 8 |
| 2024 | 8 | 10 |
| 2025 | 4 | 5 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Series type continuous automatic ENF-grade plywood production line and production method16 Jun 2026US 12,654,353 B2Southwest Forestry University
- Crosslinking agent composition for water-compatible resin, and water-compatible resin composition14 Apr 2026US 12,600,811 B2Nisshinbo Chemical Inc.
- Method of reducing the formaldehyde emission of a mineral fiber product, and mineral fiber product with reduced formaldehyde emission17 Feb 2026US 12,553,235 B2Rockwool A/S
- High acid acrylic styrene acrylic and acrylic emulsion copolymer modified urea formaldehyde binders for mineral fibers6 Jan 2026US 12,516,187 B2Rohm and Haas Company
- Planar material and method for the production thereof14 Oct 2025US 12,441,024 B2SWISS KRONO Tec AG
- Method of reducing the formaldehyde emission of a mineral fiber product, and mineral fiber product with reduced formaldehyde emission21 May 2026US 2026/0139472 A1Rockwool A/S
- Method and device for a method for preparing a recombinant collagen hydrogel tissue adhesive for seamless wound healing8 Jan 2026US 2026/0007801 A1Northwest University
- Planar material and method for the production thereof1 Jan 2026US 2026/0001252 A1SWISS KRONO Tec AG
- Methods of chemical deconstruction and upcycling of waste polymers into versatile vitrimer adhesives1 Jan 2026US 2026/0002012 A1
- Composite current collector and preparation method therefor, and application thereof in lithium-ion batteries16 Oct 2025US 2025/0323279 A1Advanced Materials Technology (Beijing) Co., Ltd.
Most cited
By later US patents
- Digital thermal binder and powder printing71US 9,670,371 B2Ceraloc Innovation AB · 2017
- Method and composition for bonding solid lignocellulosic material57US 4,654,259 ACarbocol Inc. · 1987
- Natural resin formulations56US 6,844,420 B1Ensyn Renewables, Inc. · 2005
- Digital printing with transparent blank ink55US 10,800,186 B2Ceraloc Innovation AB · 2020
- Dry ink for digital printing46US 9,079,212 B2Floor Iptech AB · 2015