Spiro hydrocarbons

Spiro hydrocarbons · 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 codeC07C13/72
Official titleSpiro hydrocarbons
Display labelSpiro hydrocarbons
Total patents130

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201510
20169
20179
201827
201912
202014
202113
202212
20239
20246
20256
20263

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 C07C13/72?
CPC C07C13/72 is the Cooperative Patent Classification code for “Spiro hydrocarbons.”
How many patents are filed under CPC C07C13/72 (Spiro hydrocarbons)?
Our database includes 130 publications tagged with this CPC code.
Is patent activity under CPC C07C13/72 growing?
Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).