Biocatalysts for the preparation of hydroxy substituted carbamates
US-2018371427-A1 · Dec 27, 2018 · US
Preparation of nitrogen-containing organic compounds
Preparation of nitrogen-containing organic compounds · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C12P13/00 |
| Official title | Preparation of nitrogen-containing organic compounds |
| Display label | Preparation of nitrogen-containing organic compounds |
| Total patents | 166 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 16 |
| 2017 | 23 |
| 2018 | 20 |
| 2019 | 19 |
| 2020 | 14 |
| 2021 | 18 |
| 2022 | 6 |
| 2023 | 10 |
| 2024 | 11 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Porous membrane having immobilized enzyme, porous membrane composite including the same, and preparation method thereof
US-9840701-B2 · Dec 12, 2017 · US
Continuous production method for 5-aminolevulinic acid by using photosynthetic membrane vesicle
US-9816118-B2 · Nov 14, 2017 · US
Biocatalysts for the preparation of hydroxy substituted carbamates
US-9803178-B2 · Oct 31, 2017 · US
Microorganism for producing l-glutamine and method for producing l-glutamine using same
US-2017292135-A1 · Oct 12, 2017 · US
Variant microorganism producing 5-aminolevulinic acid and method for preparing 5-aminolevulinic acid using thereof
US-2017292134-A1 · Oct 12, 2017 · US
Method for producing 1,5-pentamethylenediamine, mutant lysine decarboxylase, method for producing 1,5-pentamethylene diisocyanate and method for producing polyisocyanate composition
US-9765369-B2 · Sep 19, 2017 · US
Processes and recombinant microorganisms for the production of cadaverine
US-9745608-B2 · Aug 29, 2017 · US
Biocatalytic processes and materials for enhanced carbon utilization
US-2017240936-A1 · Aug 24, 2017 · US
Composition containing S-adenosyl-L-methionine with excellent storage stability
US-9700629-B2 · Jul 11, 2017 · US
Biocatalysts and methods for the synthesis of substituted lactams
US-2017191043-A1 · Jul 6, 2017 · US
Recombinant microorganisms with an improved productivity of putrescine and method for producing putrescine using the same
US-9677099-B2 · Jun 13, 2017 · US
Methods and materials for producing 7-carbon monomers
US-2017159082-A1 · Jun 8, 2017 · US
Microorganisms for producing diamine and process for producing diamine using them
US-2017159085-A1 · Jun 8, 2017 · US
Methods and materials for producing 7-carbon monomers
US-2017159092-A1 · Jun 8, 2017 · US
Isoprene oligomer, polyisoprene, processes for producing these materials, rubber composition, and pneumatic tire
US-9657313-B2 · May 23, 2017 · US
Microorganisms for producing putrescine and process for producing putrescine using them
US-9657264-B2 · May 23, 2017 · US
Biocatalysts and methods for the synthesis of substituted lactams
US-9624478-B2 · Apr 18, 2017 · US
Production of aniline via anthraniliate
US-2017066713-A1 · Mar 9, 2017 · US
Method of producing chemical product with continuous fermentation and filtering
US-9587253-B2 · Mar 7, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12P13/00?
- CPC C12P13/00 is the Cooperative Patent Classification code for “Preparation of nitrogen-containing organic compounds.”
- How many patents are filed under CPC C12P13/00 (Preparation of nitrogen-containing organic compounds)?
- Our database includes 166 publications tagged with this CPC code.
- Is patent activity under CPC C12P13/00 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).