from aromatic vinyl compounds

from aromatic vinyl compounds · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH01B3/442
Official title{from aromatic vinyl compounds}
Display labelfrom aromatic vinyl compounds
Total patents112

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
201515
201614
201712
201814
201912
202010
20218
202210
20235
20245
20254
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 H01B3/442?
CPC H01B3/442 is the Cooperative Patent Classification code for “from aromatic vinyl compounds.”
How many patents are filed under CPC H01B3/442 (from aromatic vinyl compounds)?
Our database includes 112 publications tagged with this CPC code.
Is patent activity under CPC H01B3/442 growing?
Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).