What technology areas does Sinopec Nanjing Res Institute Of Chemical Industry Co Ltd patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (10); Operations & Transport (7); Cross-Sectional Technologies (6).

Is Sinopec Nanjing Res Institute Of Chemical Industry Co Ltd's patent activity growing?

In our data, assignee counts were 2 in 2024 and 1 in 2025 (lower year over year).

What are recent patents assigned to Sinopec Nanjing Res Institute Of Chemical Industry Co Ltd?

See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.

Sinopec Nanjing Res Institute Of Chemical Industry Co Ltd patents

Sinopec Nanjing Res Institute Of Chemical Industry Co Ltd holds 12 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
Metric	Value
Total patents	12
Recent patents	5
First publication	May 21, 2020
Latest publication	Feb 19, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is rapidly declining.

Patents filed per year
Year	Patents
2020	1
2021	3
2022	2
2023	2
2024	2
2025	1
2026	1

Browse patents by year
Year	Patents
2020	1
2021	3
2022	2
2023	2
2024	2
2025	1
2026	1

Recent patents

Latest publications where this party is an assignee.

Separation method and separation apparatus for co2-containing phase change solution
US-2026048359-A1 · Feb 19, 2026 · US
Composition for preparing polycaprolactone shape memory material, and polycaprolactone shape memory material, preparation method therefor, and application thereof
US-2025320333-A1 · Oct 16, 2025 · US
Method for treatment and resource utilization of acidic organic wastewater
US-12060291-B2 · Aug 13, 2024 · US
Method and system for removing carbon dioxide from reaction gas, and use thereof
US-11958012-B2 · Apr 16, 2024 · US
Fiber spinning method and spun fibers and use thereof
US-2023383443-A1 · Nov 30, 2023 · US

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Separation method and separation apparatus for co2-containing phase change solution
US-2026048359-A1 · Feb 19, 2026 · US
Composition for preparing polycaprolactone shape memory material, and polycaprolactone shape memory material, preparation method therefor, and application thereof
US-2025320333-A1 · Oct 16, 2025 · US
Method for treatment and resource utilization of acidic organic wastewater
US-12060291-B2 · Aug 13, 2024 · US
Method and system for removing carbon dioxide from reaction gas, and use thereof
US-11958012-B2 · Apr 16, 2024 · US
Fiber spinning method and spun fibers and use thereof
US-2023383443-A1 · Nov 30, 2023 · US

Technology areas

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	10
Operations & Transport	7
Cross-Sectional Technologies	6
Textiles & Paper	1

Frequently asked questions

Answers are generated from the same data shown on this page.

How many patents does Sinopec Nanjing Res Institute Of Chemical Industry Co Ltd have in patentsdb?: Sinopec Nanjing Res Institute Of Chemical Industry Co Ltd is linked to 12 publications as assignee in our database.
What technology areas does Sinopec Nanjing Res Institute Of Chemical Industry Co Ltd patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (10); Operations & Transport (7); Cross-Sectional Technologies (6).
Is Sinopec Nanjing Res Institute Of Chemical Industry Co Ltd's patent activity growing?: In our data, assignee counts were 2 in 2024 and 1 in 2025 (lower year over year).
What are recent patents assigned to Sinopec Nanjing Res Institute Of Chemical Industry Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.