Process for producing methyl mercaptan from dimethyl sulfide

US10577314B2 · kind B2 · utility

Assignee

• Novus International, Inc. · US

Inventors

• Puvin Pichai · Friendswood, US
• James Rolston · Friendswood, US
• Stephan Schubert · Leverkusen, DE
• Leslaw Mleczko · Bochum, DE
• Jens Assmann · Haan, DE
• Edwin Gross-Hardt · Leverkusen, DE
• Pankaj Ajmera · Muskegon, US

Key dates

• Filing date: May 25, 2017
• Grant date: Mar 3, 2020
• Expiry date: May 25, 2037

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/582
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention generally relates to the manufacture of methyl mercaptan using recycled dimethyl sulfide. In particular, the invention relates to a process for the continuous production of methyl mercaptan via the catalytic conversion of dimethyl sulfide using a non-promoted Al2O3 catalyst at low temperatures.