Mixed esters, e.g. cellulose acetate-butyrate

Mixed esters, e.g. cellulose acetate-butyrate · 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 codeC09D101/14
Official titleMixed esters, e.g. cellulose acetate-butyrate
Display labelMixed esters, e.g. cellulose acetate-butyrate
Total patents35

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
20154
20163
20171
20186
20195
20201
20211
20224
20232
20245
20252
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 C09D101/14?
CPC C09D101/14 is the Cooperative Patent Classification code for “Mixed esters, e.g. cellulose acetate-butyrate.”
How many patents are filed under CPC C09D101/14 (Mixed esters, e.g. cellulose acetate-butyrate)?
Our database includes 35 publications tagged with this CPC code.
Is patent activity under CPC C09D101/14 growing?
Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).