C08F 251/00
Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
C08F251/00 (Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof) appears on 569 US grants and 461 published applications in this corpus.
Search patents in C08F- Granted patents
- 569
- Published applications
- 461
- Assignees
- 360
- Inventors
- 1,394
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 10 | 0 |
| 1978 | 8 | 0 |
| 1979 | 7 | 0 |
| 1980 | 11 | 0 |
| 1981 | 10 | 0 |
| 1982 | 6 | 0 |
| 1983 | 10 | 0 |
| 1984 | 10 | 0 |
| 1985 | 12 | 0 |
| 1986 | 7 | 0 |
| 1987 | 11 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 14 | 0 |
| 1992 | 19 | 0 |
| 1993 | 15 | 0 |
| 1994 | 17 | 0 |
| 1995 | 6 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 20 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 7 | 1 |
| 2002 | 6 | 10 |
| 2003 | 8 | 13 |
| 2004 | 13 | 22 |
| 2005 | 9 | 16 |
| 2006 | 16 | 15 |
| 2007 | 0 | 19 |
| 2008 | 7 | 27 |
| 2009 | 9 | 10 |
| 2010 | 18 | 17 |
| 2011 | 20 | 28 |
| 2012 | 7 | 14 |
| 2013 | 18 | 30 |
| 2014 | 11 | 13 |
| 2015 | 17 | 18 |
| 2016 | 17 | 19 |
| 2017 | 14 | 19 |
| 2018 | 15 | 20 |
| 2019 | 11 | 24 |
| 2020 | 11 | 14 |
| 2021 | 15 | 21 |
| 2022 | 15 | 22 |
| 2023 | 14 | 21 |
| 2024 | 14 | 18 |
| 2025 | 11 | 19 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Amide compound25 Aug 2026US 12,715,948 B2Daikin Industries, Ltd.
- Graft polymer25 Aug 2026US 12,715,951 B2Daikin Industries, Ltd.
- Deliming composition and method for deliming hides28 Apr 2026US 12,612,670 B2TFL Ledertechnik GmbH
- Polyelectrolyte hydrogel coating with strong substrate binding performance and method of manufacturing the same27 Jan 2026US 12,534,549 B2Zhejiang University
- High water content biomedical devices30 Dec 2025US 12,509,542 B2Bausch + Lomb Ireland Limited
- Surface modified ophthalmic devices1 Oct 2026US 2026/0294680 A1Bausch + Lomb Ireland Limited
- Multifunctional-group modified green scale inhibitor for efficient inhibiting calcium sulfate formation and preparation method and application thereof24 Sep 2026US 2026/0285724 A1Nanjing University
- Modified crosslinked polymers13 Aug 2026US 2026/0234310 A1LifeSprout, Inc.
- Starch hybrid copolymers13 Aug 2026US 2026/0234311 A1Wacker Chemie AG
- Composite polymer material, method for producing same, and optical material23 Jul 2026US 2026/0209518 A1Shin-Etsu Chemical Co., Ltd.
Most cited
By later US patents
- Water absorbing starch resins511US 4,076,663 ASanyo Chemical Industries, Ltd. · 1978
- Affinity matrices of modified polysaccharide supports427US 5,059,654 ACuno Incorporated · 1991
- Hydrogel composites and superporous hydrogel composites having fast swelling, high mechanical strength, and superabsorbent properties371US 6,271,278 B1Purdue Research Foundation · 2001
- Biomedical devices containing internal wetting agents330US 6,822,016 B2Johnson & Johnson Vision Care, Inc. · 2004
- Process for the preparation of graft copolymers of a water soluble monomer and polysaccharide employing a two-phase reaction system290US 4,131,576 ANational Starch and Chemical Corporation · 1978