C12P 7/56
Lactic acid
C12P7/56 (Lactic acid) appears on 596 US grants and 855 published applications in this corpus.
Search patents in C12P- Granted patents
- 596
- Published applications
- 855
- Assignees
- 398
- Inventors
- 1,687
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 1 |
| 2002 | 4 | 9 |
| 2003 | 6 | 15 |
| 2004 | 2 | 12 |
| 2005 | 3 | 15 |
| 2006 | 9 | 20 |
| 2007 | 8 | 17 |
| 2008 | 6 | 10 |
| 2009 | 10 | 23 |
| 2010 | 8 | 30 |
| 2011 | 11 | 41 |
| 2012 | 17 | 45 |
| 2013 | 23 | 53 |
| 2014 | 39 | 80 |
| 2015 | 33 | 82 |
| 2016 | 53 | 72 |
| 2017 | 50 | 43 |
| 2018 | 49 | 37 |
| 2019 | 32 | 58 |
| 2020 | 35 | 30 |
| 2021 | 27 | 42 |
| 2022 | 26 | 30 |
| 2023 | 22 | 28 |
| 2024 | 21 | 22 |
| 2025 | 16 | 18 |
| 2026 | 7 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for efficiently producing lactic acid by fermenting brewers' spent grains28 Jul 2026US 12,692,520 B2Chengdu Environmental Investment Group Co., Ltd
- Use of microbial cell lines to maximize organic acid production7 Jul 2026US 12,674,189 B2J&K Ingredients, LLC
- Methods and systems for lactic acid production and polylactic acid recycling16 Jun 2026US 12,655,455 B2TripleW Ltd.
- Process for manufacturing high-purity magnesium oxide19 May 2026US 12,630,437 B2Purac Biochem B. V.
- Bacterium and obtaining method and application thereof10 Mar 2026US 12,570,964 B2Shanghai Jiao Tong University
- Method for producing target product from biomass waste24 Sep 2026US 2026/0286400 A1Suzhou Xuniversal Biotechnology Co., Ltd.
- Methods and systems for lactic acid production and polylactic acid recycling24 Sep 2026US 2026/0286401 A1TripleW Ltd.
- Engineered obligate fermenting bacteria for the fermentative production of d-lactate and isobutanol10 Sep 2026US 2026/0265792 A1Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Unique method to trigger lactic acid production in streptomyces coelicolor a3(2)3 Sep 2026US 2026/0258455 A1Gebze Teknik Universitesi
- Method for Synthesizing Lactic Acid Monomers Using Sucrose as Raw Material3 Sep 2026US 2026/0258456 A1Tianjin University of Science and Technology
Most cited
By later US patents
- Process for producing ethanol284US 6,509,180 B1ZeaChem, Inc. · 2003
- Process for producing ethanol226US 6,927,048 B2Zea Chem, Inc. · 2005
- Production of lactate using crabtree negative organisms in varying culture conditions190US 6,485,947 B1Cargill Dow Polymers, LLC · 2002
- Process for producing ethanol165US 7,351,559 B2ZeaChem, Inc. · 2008
- Biological production of ethanol from waste gases with Clostridium ljungdahlii159US 6,136,577 ABioengineering Resources, Inc. · 2000