Process and composition for inhibiting the polymerization of cyclopentadiene compounds

US9670116B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Stefanie Rinker · Dorsten, DE
• Bettina Ludwig · Marl, DE
• Manfred Neumann · Marl, DE
• Felix Nissen · Nottuln, DE
• Oliver Erpeldinger · Wülfrath, DE
• Phillip R. James · Romsey, GB
• Peter Watkins · Thatcham, GB

Key dates

• Filing date: Apr 25, 2016
• Grant date: Jun 6, 2017
• Expiry date: Apr 25, 2036

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2603/68
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for inhibiting the polymerization of cyclopentadiene compounds (B) by contacting the cyclopentadiene compound with a quinone methide compound (A) of structure (I),Compositions (AB) comprising (A) and (B) are also provided.