transferring sulfur containing groups (2.8)

transferring sulfur containing groups (2.8) · 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 codeC12N9/13
Official title{transferring sulfur containing groups (2.8)}
Display labeltransferring sulfur containing groups (2.8)
Total patents269

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201523
201628
201721
201821
201926
202032
202123
202225
202325
202418
202525
20262

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 C12N9/13?
CPC C12N9/13 is the Cooperative Patent Classification code for “transferring sulfur containing groups (2.8).”
How many patents are filed under CPC C12N9/13 (transferring sulfur containing groups (2.8))?
Our database includes 269 publications tagged with this CPC code.
Is patent activity under CPC C12N9/13 growing?
Publication counts under this code: 18 in 2024 vs 25 in 2025 (latest complete years).