C08B 31/125
Having a substituent containing at least one nitrogen atom
Official title: {having a substituent containing at least one nitrogen atom, e.g. cationic starch}
C08B31/125 (Having a substituent containing at least one nitrogen atom) appears on 101 US grants and 54 published applications in this corpus.
Search patents in C08B- Granted patents
- 101
- Published applications
- 54
- Assignees
- 62
- Inventors
- 273
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 3 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 4 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 3 | 7 |
| 2014 | 3 | 3 |
| 2015 | 1 | 1 |
| 2016 | 2 | 3 |
| 2017 | 2 | 3 |
| 2018 | 1 | 3 |
| 2019 | 1 | 3 |
| 2020 | 0 | 1 |
| 2021 | 5 | 3 |
| 2022 | 0 | 4 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Amide compound25 Aug 2026US 12,715,948 B2Daikin Industries, Ltd.
- Starch-based carrier material with M cell targeting performance and pH responsiveness, and preparation method therefor and use thereof21 Oct 2025US 12,447,212 B2South China University of Technology
- Taxane-lipid-polysaccharide dual conjugates, preparation methods thereof and uses thereof1 Jul 2025US 12,343,323 B2Santolecan Pharmaceuticals LLC
- Calcium sulfate slurries including cationic starch, methods for using them and articles made from them19 Nov 2024US 12,145,881 B2Primary Products Ingredients Americas LLC
- Green cationization agent30 Jan 2024US 11,884,753 B2Sachem, Inc.
- Dual emulsification of alkenyl succinic anhydride to improve sizing performance and stability20 Aug 2026US 2026/0243024 A1Kemira Oyj
- Taxane-lipid-polysaccharide dual conjugates, preparation methods thereof and uses thereof9 Jul 2026US 2026/0191816 A1Santolecan Pharmaceuticals LLC
- Copolymer, Antimicrobial Deodorant Composition Comprising Same, and Method for Producing Same19 Jun 2025US 2025/0197544 A1LG Chem.Ltd.
- A method for producing cationic saccharides4 Jul 2024US 2024/0217848 A1Kemira Oyj
- Reactive polysaccharide-based hemostatic agent4 Jan 2024US 2024/0002549 A1Davol Inc.
Most cited
By later US patents
- Polysaccharide derivatives containing aldehyde groups, their preparation from the corresponding acetals and use as paper additives144US 4,675,394 ANational Starch and Chemical Corporation · 1987
- Acetals useful for the preparation of polysaccharide derivatives73US 4,804,769 ANational Starch and Chemical Corporation · 1989
- Polysaccharide derivatives containing aldehyde groups for use as paper additives49US 4,731,162 ANational Starch and Chemical Corporation · 1988
- Process for the preparation of high D. S. polysaccharides44US 4,129,722 ANational Starch and Chemical Corporation · 1978
- Polysaccharide derivatives containing aldehyde groups, their preparation from the corresponding acetals and use as paper additives42US 4,741,804 ANational Starch and Chemical Corporation · 1988