Use of phosphate-solubilizing microorganisms and lipo-chitooligosaccharides for enhancing plant growth
US-12459875-B2 · Nov 4, 2025 · US
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Double-superphosphate; Triple-superphosphate; Other fertilisers based essentially on monocalcium phosphate
Double-superphosphate; Triple-superphosphate; Other fertilisers based essentially on monocalcium phosphate · 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 | C05B1/04 |
| Official title | Double-superphosphate; Triple-superphosphate; Other fertilisers based essentially on monocalcium phosphate |
| Display label | Double-superphosphate; Triple-superphosphate; Other fertilisers based essentially on monocalcium phosphate |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microbial assisted phosphorous recovery under anaerobic condition
US-12351496-B2 · Jul 8, 2025 · US
Use of phosphate-solubilizing microorganisms and lipo-chitooligosaccharides for enhancing plant growth
US-2024300868-A1 · Sep 12, 2024 · US
Use of lipo-chitooligosaccharides and/or chitooligosaccharides in combination with phosphate-solubilizing microorganisms to enhance plant growth
US-11999666-B2 · Jun 4, 2024 · US
Anti-caking fertilizer compositions
US-11999662-B2 · Jun 4, 2024 · US
Stabilized urea containing fertilizer blends
US-2023076350-A1 · Mar 9, 2023 · US
Microbial assisted phosphorous recovery under anaerobic condition
US-2022396509-A1 · Dec 15, 2022 · US
Coated fertilizer containing urease inhibitor
US-2022098125-A1 · Mar 31, 2022 · US
Biofertilizer formulation from algae and related methods
US-11242293-B2 · Feb 8, 2022 · US
Anti-caking fertilizer compositions
US-2022002210-A1 · Jan 6, 2022 · US
Anti-caking fertilizer compositions
US-11155503-B2 · Oct 26, 2021 · US
Seaweed extract coated fertilizer for better crops and soil health
US-2021323885-A1 · Oct 21, 2021 · US
Biofertilizer formulation from algae and related methods
US-2021300833-A1 · Sep 30, 2021 · US
Anti-caking fertilizer compositions
US-2020199034-A1 · Jun 25, 2020 · US
Fertilizer composition containing oxidized glutathione and fertilizer element for foliar application
US-10662124-B2 · May 26, 2020 · US
Method of promoting bacillus spore germination
US-2020024207-A1 · Jan 23, 2020 · US
Process for preparing a fertiliser
US-10464854-B2 · Nov 5, 2019 · US
Production of citrate soluble phosphates by calcination of secondary phosphate sources with a sodium-sulfuric compound
US-10259752-B2 · Apr 16, 2019 · US
Production of citrate soluble phosphates by calcination of secondary phosphate sources with a sodium-sulfuric compound
US-2018244587-A1 · Aug 30, 2018 · US
Fertilizer composition containing oxidized glutathione and fertilizer element for foliar application
US-2018127326-A1 · May 10, 2018 · US