How many patents does Hexion Inc have in patentsdb?

Hexion Inc is linked to 179 publications as assignee in our database.

What technology areas does Hexion Inc patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (171); Operations & Transport (39); Cross-Sectional Technologies (28).

In our data, assignee counts were 4 in 2024 and 7 in 2025 (higher year over year).

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

Hexion Inc holds 179 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity over the last five years is declining.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	171
Operations & Transport	39
Cross-Sectional Technologies	28
Fixed Constructions	16
Textiles & Paper	12
Mechanical Engineering	5
Physics	5
Electricity	4
Human Necessities	1

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

How many patents does Hexion Inc have in patentsdb?: Hexion Inc is linked to 179 publications as assignee in our database.
What technology areas does Hexion Inc patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (171); Operations & Transport (39); Cross-Sectional Technologies (28).
Is Hexion Inc's patent activity growing?: In our data, assignee counts were 4 in 2024 and 7 in 2025 (higher year over year).
What are recent patents assigned to Hexion Inc?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.