C08B
Polysaccharides
Official title: POLYSACCHARIDES; DERIVATIVES THEREOF (polysaccharides containing less than six saccharide radicals attached to each other by glycosidic linkages C07H; fermentation or enzyme-using processes C12P19/00; sugar industry C13; production of cellulose D21)
C08B (Polysaccharides) appears on 8,972 US grants and 9,645 published applications in this corpus.
Search patents in C08B- Granted patents
- 8,972
- Published applications
- 9,645
- Assignees
- 4,282
- Inventors
- 20,928
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 82 | 0 |
| 1977 | 109 | 0 |
| 1978 | 101 | 0 |
| 1979 | 63 | 0 |
| 1980 | 76 | 0 |
| 1981 | 101 | 0 |
| 1982 | 87 | 0 |
| 1983 | 90 | 0 |
| 1984 | 79 | 0 |
| 1985 | 86 | 0 |
| 1986 | 75 | 0 |
| 1987 | 80 | 0 |
| 1988 | 100 | 0 |
| 1989 | 115 | 0 |
| 1990 | 135 | 0 |
| 1991 | 134 | 0 |
| 1992 | 117 | 0 |
| 1993 | 108 | 0 |
| 1994 | 124 | 0 |
| 1995 | 135 | 0 |
| 1996 | 188 | 0 |
| 1997 | 177 | 0 |
| 1998 | 206 | 0 |
| 1999 | 175 | 0 |
| 2000 | 160 | 0 |
| 2001 | 143 | 52 |
| 2002 | 153 | 198 |
| 2003 | 214 | 268 |
| 2004 | 136 | 256 |
| 2005 | 129 | 291 |
| 2006 | 150 | 279 |
| 2007 | 84 | 254 |
| 2008 | 84 | 244 |
| 2009 | 105 | 303 |
| 2010 | 152 | 352 |
| 2011 | 158 | 357 |
| 2012 | 203 | 360 |
| 2013 | 292 | 487 |
| 2014 | 291 | 460 |
| 2015 | 312 | 485 |
| 2016 | 375 | 514 |
| 2017 | 311 | 439 |
| 2018 | 289 | 509 |
| 2019 | 396 | 491 |
| 2020 | 393 | 489 |
| 2021 | 380 | 542 |
| 2022 | 303 | 483 |
| 2023 | 302 | 444 |
| 2024 | 284 | 415 |
| 2025 | 266 | 402 |
| 2026 | 164 | 271 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- C08B 37/00Preparation of polysaccharides not provided for in groups c08b1/00 - c08b35/005,357
- C08B 15/00Preparation of other cellulose derivatives or modified cellulose1,155
- C08B 31/00Preparation of derivatives of starch914
- C08B 30/00Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin893
- C08B 11/00Preparation of cellulose ethers778
- C08B 3/00Preparation of cellulose esters of organic acids558
- C08B 1/00Preparatory treatment of cellulose for making derivatives thereof514
- C08B 16/00Regeneration of cellulose135
All 15 main groupsShow fewer
- C08B 5/00Preparation of cellulose esters of inorganic acids134
- C08B 13/00Preparation of cellulose ether-esters127
- C08B 33/00Preparation of derivatives of amylose91
- C08B 35/00Preparation of derivatives of amylopectin52
- C08B 9/00Cellulose xanthate47
- C08B 17/00Apparatus for esterification or etherification of cellulose30
- C08B 7/00Preparation of cellulose esters of both organic and inorganic acids17
Recent patents
- Hyperbranched polyglycerol polyglycidyl ether and its use as crosslinker for polysaccharides6 Oct 2026US 12,753,158 B2Biopolimeri S.R.L.
- Cellulose acetate particles6 Oct 2026US 12,753,246 B2FUJIFILM Business Innovation Corp.
- High-yield peroxide quench-controlled polysaccharide depolymerization and compositions thereof6 Oct 2026US 12,753,247 B2One Bio Inc
- Compositions of hydroxypropyl-beta-cyclodextrin and methods of purifying the same6 Oct 2026US 12,753,248 B2Beren Therapeutics P.B.C.
- Hyaluronic acid derivative and use thereof29 Sep 2026US 12,746,306 B2Amtixbio Co., Ltd.
- Pharmaceutical compositions comprising meloxicam8 Oct 2026US 2026/0306635 A1Axsome Therapeutics, Inc.
- Highly soluble pea starch as replacer of maltodextrin8 Oct 2026US 2026/0308283 A1Roquette Freres
- Method for preparing biodegradable resin composition using composite compatibilizer and biomass-based biodegradable resin composition prepared thereby8 Oct 2026US 2026/0308342 A1Daesang Corporation
- Porous alpha-1,3-glucan compositions8 Oct 2026US 2026/0308347 A1Nutrition & Biosciences USA 4, Inc.
- Lithography method8 Oct 2026US 2026/0310079 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Modified hyaluronic acid for use in musculoskeletal tissue repair805US 7,091,191 B2Ethicon, Inc. · 2006
- Porous polymeric matrices made of natural polymers and synthetic polymers and optionally at least one cation and methods of making789US 7,446,131 B1The United States of America as represented by the Secretary of Agriculture · 2008
- Collagen-polymer conjugates778US 5,162,430 ACollagen Corporation · 1992
- Crosslinked polymer compositions and methods for their use649US 5,874,500 ACohesion Technologies, Inc. · 1999
- Gels for encapsulation of biological materials587US 5,858,746 ABoard of Regents, The University of Texas System · 1999