C13K
Saccharides obtained from natural sources or by hydrolysis of naturally occurring disaccharides
Official title: SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES (chemically synthesised sugars or sugar derivatives C07H; polysaccharides, e.g. starch, derivatives thereof C08B; malt C12C; fermentation or enzyme-using processes for preparing compounds containing saccharide radicals C12P19/00; production of sucrose C13B)
C13K (Saccharides obtained from natural sources or by hydrolysis of naturally occurring disaccharides) appears on 1,554 US grants and 1,550 published applications in this corpus.
Search patents in C13K- Granted patents
- 1,554
- Published applications
- 1,550
- Assignees
- 749
- Inventors
- 3,170
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 31 | 0 |
| 1978 | 29 | 0 |
| 1979 | 15 | 0 |
| 1980 | 31 | 0 |
| 1981 | 38 | 0 |
| 1982 | 41 | 0 |
| 1983 | 35 | 0 |
| 1984 | 26 | 0 |
| 1985 | 21 | 0 |
| 1986 | 20 | 0 |
| 1987 | 27 | 0 |
| 1988 | 18 | 0 |
| 1989 | 19 | 0 |
| 1990 | 13 | 0 |
| 1991 | 10 | 0 |
| 1992 | 13 | 0 |
| 1993 | 12 | 0 |
| 1994 | 13 | 0 |
| 1995 | 9 | 0 |
| 1996 | 16 | 0 |
| 1997 | 13 | 0 |
| 1998 | 18 | 0 |
| 1999 | 28 | 0 |
| 2000 | 15 | 0 |
| 2001 | 14 | 3 |
| 2002 | 16 | 10 |
| 2003 | 11 | 18 |
| 2004 | 6 | 15 |
| 2005 | 7 | 22 |
| 2006 | 8 | 13 |
| 2007 | 6 | 24 |
| 2008 | 10 | 23 |
| 2009 | 9 | 39 |
| 2010 | 15 | 62 |
| 2011 | 22 | 70 |
| 2012 | 37 | 95 |
| 2013 | 56 | 121 |
| 2014 | 58 | 130 |
| 2015 | 80 | 159 |
| 2016 | 101 | 137 |
| 2017 | 103 | 98 |
| 2018 | 73 | 105 |
| 2019 | 75 | 96 |
| 2020 | 73 | 77 |
| 2021 | 61 | 72 |
| 2022 | 53 | 42 |
| 2023 | 32 | 46 |
| 2024 | 40 | 30 |
| 2025 | 39 | 23 |
| 2026 | 18 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
Recent patents
- Method for producing sugar anhydride and saccharide23 Jun 2026US 12,662,502 B2Kyoto University
- Corn sweet steeping16 Jun 2026US 12,653,218 B2Danisco US Inc.
- Crystallization device for crystallizing a precursor, and drying device9 Jun 2026US 12,649,954 B2Luebbers Fts GmbH
- Processes for producing fermentation products26 May 2026US 12,637,699 B2Novozymes A/S
- Method for obtaining reinforced packaging paper5 May 2026US 12,618,199 B2Consejo Superior De Investigaciones Cientificas (Csic)
- Compositions derived from gastrointestinal tract mucins3 Sep 2026US 2026/0256177 A1Gnubiotics Sciences SA
- System to convert cellulosic materials into sugar and method of using the same3 Sep 2026US 2026/0257187 A1Alliance Bioenergy Plus, Inc., Dba Blue Biofuels
- Thermostable maltotriose amylase protein3 Sep 2026US 2026/0258384 A1
- Method of improved cellulose hydrolysis27 Aug 2026US 2026/0250731 A1
- Fructosylated maltitol, and method for producing same13 Aug 2026US 2026/0234681 A1Kyoto Prefectural Public University Corporation
Most cited
By later US patents
- High efficiency continuous separation process212US 4,402,832 AUop LLC · 1983
- Methods of biomass pretreatment156US 5,865,898 AThe Texas A&M University System · 1999
- Prehydrolysis of lignocellulose148US 5,424,417 AMidwest Research Institute · 1995
- Hydrolysis and fractionation of lignocellulosic biomass137US 6,022,419 AMidwest Research Institute · 2000
- Method of treating biomass material123US 5,536,325 A1996