Preparation of hydrazides

Preparation of hydrazides · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC07C241/04
Official titlePreparation of hydrazides
Display labelPreparation of hydrazides
Total patents40

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20158
20167
20175
20183
20191
20207
20213
20233
20243

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C07C241/04?
CPC C07C241/04 is the Cooperative Patent Classification code for “Preparation of hydrazides.”
How many patents are filed under CPC C07C241/04 (Preparation of hydrazides)?
Our database includes 40 publications tagged with this CPC code.
Is patent activity under CPC C07C241/04 growing?
Publication counts under this code: 3 in 2023 vs 3 in 2024 (latest complete years).