Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof

Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof · 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 codeC09J105/08
Official titleChitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
Display labelChitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
Total patents38

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20153
20173
20184
20194
20215
20223
20231
20244
20258
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 C09J105/08?
CPC C09J105/08 is the Cooperative Patent Classification code for “Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof.”
How many patents are filed under CPC C09J105/08 (Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof)?
Our database includes 38 publications tagged with this CPC code.
Is patent activity under CPC C09J105/08 growing?
Publication counts under this code: 4 in 2024 vs 8 in 2025 (latest complete years).