Separating agent for rubber powders

US4190613A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Joachim Thormer · Leverkusen, DE
• Jochen Schnetger · Odenthal, DE
• Gerhard Giersiepen · Leichlingen, DE
• Wilhelm Gobel · Leverkusen, DE

Key dates

• Filing date: Sep 21, 1977
• Grant date: Feb 26, 1980
• Expiry date: Sep 21, 1997

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L33/20
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A freeflowing rubber mixture which is stable against coalescence and cohesion comprising a vulcanizable rubber in powder form and a minor amount of an acrylonitrile polymer as a separating agent.