by a bond to sulfur

by a bond to sulfur · 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 codeC08F28/02
Official titleby a bond to sulfur
Display labelby a bond to sulfur
Total patents96

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
201516
201614
201714
201813
20196
20208
20217
20221
20235
20245
20256
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 C08F28/02?
CPC C08F28/02 is the Cooperative Patent Classification code for “by a bond to sulfur.”
How many patents are filed under CPC C08F28/02 (by a bond to sulfur)?
Our database includes 96 publications tagged with this CPC code.
Is patent activity under CPC C08F28/02 growing?
Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).