Cellulose; Modified cellulose

Cellulose; Modified cellulose · 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 codeC09D101/02
Official titleCellulose; Modified cellulose
Display labelCellulose; Modified cellulose
Total patents269

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
201516
201622
201722
201826
201925
202031
202122
202227
202328
202423
202527

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 C09D101/02?
CPC C09D101/02 is the Cooperative Patent Classification code for “Cellulose; Modified cellulose.”
How many patents are filed under CPC C09D101/02 (Cellulose; Modified cellulose)?
Our database includes 269 publications tagged with this CPC code.
Is patent activity under CPC C09D101/02 growing?
Publication counts under this code: 23 in 2024 vs 27 in 2025 (latest complete years).