Preparation of esters of carbonic or haloformic acids

Preparation of esters of carbonic or haloformic acids · 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 codeC07C68/00
Official titlePreparation of esters of carbonic or haloformic acids
Display labelPreparation of esters of carbonic or haloformic acids
Total patents77

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
201514
201610
20178
20188
20199
20208
20219
20222
20232
20243
20253
20261

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 C07C68/00?
CPC C07C68/00 is the Cooperative Patent Classification code for “Preparation of esters of carbonic or haloformic acids.”
How many patents are filed under CPC C07C68/00 (Preparation of esters of carbonic or haloformic acids)?
Our database includes 77 publications tagged with this CPC code.
Is patent activity under CPC C07C68/00 growing?
Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).