C08G 8/38
Block or graft polymers prepared by polycondensation of aldehydes or ketones onto
Official title: Block or graft polymers prepared by polycondensation of aldehydes or ketones onto macromolecular compounds
C08G8/38 (Block or graft polymers prepared by polycondensation of aldehydes or ketones onto) appears on 75 US grants and 35 published applications in this corpus.
Search patents in C08G- Granted patents
- 75
- Published applications
- 35
- Assignees
- 41
- Inventors
- 133
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 8 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 4 | 1 |
| 2016 | 1 | 5 |
| 2017 | 2 | 2 |
| 2018 | 2 | 4 |
| 2019 | 1 | 6 |
| 2020 | 2 | 3 |
| 2021 | 5 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for preparing a solution of lignin in an aqueous medium17 Jun 2025US 12,331,150 B2Stora Enso OYJ
- Process for preparing a lignin-based resin18 Mar 2025US 12,252,593 B2Stora Enso OYJ
- Liquid lignin composition comprising lignin, water, alkali and urea11 Feb 2025US 12,221,545 B2Stora Enso OYJ
- Blended furnish with improved performance and methods of making and using the same22 Oct 2024US 12,122,943 B2Arclin USA LLC
- Process for preparing a solution of lignin in an aqueous medium6 Jun 2023US 11,667,792 B2Stora Enso OYJ
- Method for Preparing a Stable Lignin-Phenol Blend and a Stable Lignin-Phenol Blend Obtained by Said Method19 Jun 2025US 2025/0197640 A1Borealis AG
- Stable Lignin-Phenol Blend for Use in Lignin Modified Phenol-Formaldehyde Resins13 Jul 2023US 2023/0220208 A1Borealis AG
- Blended furnish with improved performance and methods of making and using the same22 Jun 2023US 2023/0193092 A1Arclin USA LLC
- Process for preparing a lignin-based resin7 Apr 2022US 2022/0106446 A1Stora Enso OYJ
- Process for preparing a solution of lignin in an aqueous medium3 Feb 2022US 2022/0033561 A1Stora Enso OYJ
Most cited
By later US patents
- Lignin modified phenol-formaldehyde resins36US 5,202,403 AGeorgia-Pacific Resins, Inc. · 1993
- Pultruded reinforced phenolic resin products32US 4,419,400 AOccidental Chemical Corporation · 1983
- Lignin derivative polymers29US 4,769,434 ASouth African Inventions Development Corporation · 1988
- Process for the preparation of phenolic resin-containing dispersions and their use as adhesives19US 4,400,229 ACiba-Geigy Corporation · 1983
- Chemically amplified radiation-sensitive composition19US 5,550,004 AOCG Microelectronic Materials, Inc. · 1996