C12P 13/222
Phenylalanine
Official title: {Phenylalanine}
C12P13/222 (Phenylalanine) appears on 127 US grants and 123 published applications in this corpus.
Search patents in C12P- Granted patents
- 127
- Published applications
- 123
- Assignees
- 73
- Inventors
- 336
- Latest grant
- 18 Aug 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 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 10 | 0 |
| 1987 | 7 | 0 |
| 1988 | 8 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 5 | 3 |
| 2003 | 0 | 5 |
| 2004 | 2 | 3 |
| 2005 | 2 | 3 |
| 2006 | 2 | 4 |
| 2007 | 3 | 11 |
| 2008 | 4 | 4 |
| 2009 | 2 | 10 |
| 2010 | 5 | 11 |
| 2011 | 2 | 5 |
| 2012 | 2 | 8 |
| 2013 | 6 | 5 |
| 2014 | 12 | 11 |
| 2015 | 4 | 5 |
| 2016 | 8 | 6 |
| 2017 | 4 | 3 |
| 2018 | 4 | 0 |
| 2019 | 0 | 3 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 5 |
| 2023 | 2 | 3 |
| 2024 | 0 | 2 |
| 2025 | 1 | 5 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of producing carboxylic acid18 Aug 2026US 12,709,763 B2Toray Industries, Inc.
- Method for efficiently producing L-homophenylalanine and strain producing L- homophenylalanine10 Feb 2026US 12,545,938 B1Jiangnan University
- Promoter and use thereof18 Nov 2025US 12,473,558 B2Cj Cheiljedang Corporation
- Method for producing an L-amino acid using a bacterium of the family Enterobacteriaceae having an attenuated expression of a gshA gene5 Sep 2023US 11,746,345 B2Ajinomoto Co., Inc.
- Genetic perturbation of the RNA degradosome protein complex10 Jan 2023US 11,549,096 B2Zymergen Inc.
- Novel zinc-binding dehydrogenase variant and method for producing l-aromatic amino acid using same25 Jun 2026US 2026/0176662 A1Daesang Corporation
- Strain with improved aromatic amino acid production capacity by glsb gene inactivation11 Jun 2026US 2026/0159825 A1Daesang Corporation
- Novel variant of dna-binding transcriptional regulator malt and method for producing l-aromatic amino acid using same4 Jun 2026US 2026/0152769 A1Daesang Corporation
- Materials and methods for the production of phenylalanine28 May 2026US 2026/0146244 A1Purdue Research Foundation
- Biosynthesis of para-nitro-l-phenylalanine29 Jan 2026US 2026/0028653 A1Nitro Biosciences, Inc.
Most cited
By later US patents
- Method of producing chemical by continuous fermentation and continuous fermentation apparatus46US 9,644,221 B2Toray Industries, Inc. · 2017
- Novel microorganism and method40US 4,681,852 AAustgen-Biojet International Pty. Limited · 1987
- Immobilized cells for preparing phenylalanine39US 4,600,692 APurification Engineering, Inc. · 1986
- Corynebacterium glutamicum genes encoding novel proteins29US 6,962,989 B1BASF SE · 2005
- Deblocking the common pathway of aromatic amino acid synthesis28US 5,776,736 APurdue Research Foundation · 1998