C04B 24/168
Polysaccharide derivatives
Official title: {Polysaccharide derivatives, e.g. starch sulfate}
C04B24/168 (Polysaccharide derivatives) appears on 22 US grants and 18 published applications in this corpus.
Search patents in C04B- Granted patents
- 22
- Published applications
- 18
- Assignees
- 18
- Inventors
- 78
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 4 |
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air-dry sculptural and modeling clay17 Mar 2026US 12,577,160 B2Form Flex Compound
- Geopolymer compositions and methods24 Feb 2026US 12,559,662 B2Schlumberger Technology Corporation
- Efficient sound-absorbing lightweight aggregate cellular concrete, method for preparing the same, and application thereof12 Aug 2025US 12,384,721 B1Shandong University
- Sustained release grouting material with its preparation method and application24 Dec 2024US 12,172,927 B2Shandong University of Science and Technology
- Cement additives25 Jan 2022US 11,230,497 B2Saudi Arabian Oil Company
- Geopolymer compositions and methods2 Jul 2026US 2026/0184982 A1Schlumberger Technology Corporation
- Use of enzymatic carbonate precipitation to rapidly bind materials in low moisture conditions13 Nov 2025US 2025/0346526 A1Allonnia, LLC
- Concrete for 3d printing of walls and other architectural applications29 May 2025US 2025/0170749 A1Cementos Argos S.A.
- Geopolymer compositions and methods29 May 2025US 2025/0171677 A1Schlumberger Technology Corporation
- Spray-Applicable Joint Tape for Drywall Constructions10 Oct 2024US 2024/0336524 A1Knauf Gips KG
Most cited
By later US patents
- Methods of treating subterranean zones penetrated by well bores79US 6,767,867 B2Halliburton Energy Services.Inc. · 2004
- Water-soluble sulphoalkyl hydroxyalkyl derivatives of cellulose and their use in gypsum- and cement-containing compounds26US 5,385,607 AWolff Walsrode AG · 1995
- Water-soluble polymer complexes26US 7,001,953 B2WSP Chemicals & Technology, LLC · 2006
- Cosmetic compositions containing water-soluble polymer complexes18US 6,939,536 B2WSP Chemicals & Technology, LLC · 2005
- Use of water-soluble polymer complexes in aqueous systems12US 7,514,007 B2WSP Chemicals & Technology, LLC · 2009