Homopolymers or copolymers of hydrocarbons having four or more carbon atoms

Homopolymers or copolymers of hydrocarbons having four or more carbon atoms · 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 codeC09J123/18
Official titleHomopolymers or copolymers of hydrocarbons having four or more carbon atoms
Display labelHomopolymers or copolymers of hydrocarbons having four or more carbon atoms
Total patents56

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
20157
20165
20179
20187
20195
20209
20211
20227
20234
20242

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 C09J123/18?
CPC C09J123/18 is the Cooperative Patent Classification code for “Homopolymers or copolymers of hydrocarbons having four or more carbon atoms.”
How many patents are filed under CPC C09J123/18 (Homopolymers or copolymers of hydrocarbons having four or more carbon atoms)?
Our database includes 56 publications tagged with this CPC code.
Is patent activity under CPC C09J123/18 growing?
Publication counts under this code: 4 in 2023 vs 2 in 2024 (latest complete years).