Patent · US Active

Production of fine-pored PMMA foams using nucleating agents

US10584225B2 · kind B2 · utility

5Cited by

4References

9Claims

0Family size

Assignee

Evonik Röhm GmbH · DE

Inventors

Thomas Richter · Wauseon, US
Christoph Seipel · Babenhausen, DE
Kay Bernhard · Darmstadt, DE
Sivakumara K. KRISHNAMOORTHY · Pfungstadt, DE
Sebastian Buehler · Glückstadt, DE

Key dates

Filing date	Mar 24, 2016
Grant date	Mar 10, 2020
Priority date	—
Expiry date	Mar 24, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2203/14
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Fine-cell PMMA foams are produced using a production process including nucleators in addition to suitable blowing agents. It was found that, surprisingly, a simple-to-produce stable PMMA foam having very fine cells and very good properties can be produced.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.