Compositions having HASE rheology modifiers

US8501860B2 · kind B2 · utility

Assignee

• RHODIA OPERATIONS · FR

Inventors

• Hui S. Yang · Plainsboro, US
• Derek Pakenham · Hillsborough Township, US
• Herve Adam · Princeton, US
• Pierre Hennaux · New York, US

Key dates

• Filing date: Nov 1, 2011
• Grant date: Aug 6, 2013
• Expiry date: Nov 1, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F220/287
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C5-C42)alkyl-polyether radical per molecule, wherein the bicycloheptyl- or bicycloheptenyl-polyether radical may optionally be substituted on one or more of the ring carbon atoms by one or two (C1-C6)alkyl groups per ring carbon atom is useful in making polymers, particularly pH responsive polymers.