Process for the synthesis of 2-nitratoethyl acrylate (2NEA)
US-11001553-B1 · May 11, 2021 · US
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Preparation of esters of nitrous acid
Preparation of esters of nitrous acid · 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 | C07C201/04 |
| Official title | Preparation of esters of nitrous acid |
| Display label | Preparation of esters of nitrous acid |
| Total patents | 9 |
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 | 4 |
| 2016 | 1 |
| 2018 | 2 |
| 2020 | 1 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for producing alkyl nitrite
US-2020048184-A1 · Feb 13, 2020 · US
Method for preparation of n-butyl nitrite
US-10125087-B2 · Nov 13, 2018 · US
Method for preparation of n-butyl nitrite
US-2018251420-A1 · Sep 6, 2018 · US
Method for producing nitrous acid ester, and method for producing dialkyl oxalate and dialkyl carbonate
US-9499473-B2 · Nov 22, 2016 · US
Polymer supported reagents and methods or reducing aromatic nitro compounds by using the same
US-9169200-B2 · Oct 27, 2015 · US
Point of use generation of amyl nitrite
US-2015105475-A1 · Apr 16, 2015 · US
Point of use generation of amyl nitrite
US-8987496-B1 · Mar 24, 2015 · US
Method for producing nitrous acid ester, and method for producing dialkyl oxalate and dialkyl carbonate
US-2015065742-A1 · Mar 5, 2015 · US