January 16, 2012

CAS databases provide millions of journal article references from more than 10,000 major scientific journals worldwide, patent and patent family references from 62 patent authorities around the world, and other reputable web sources.

The following patent record is from the CAplusSM database.


Patent Number: US 8080677
Title: Selective oxidation of olefins to epoxides
Inventor(s): Busch, Daryle H.; Subramaniam, Bala; Lee, Hyun-Jin; Shi, Tie-Pan
Patent Assignee(s): University of Kansas, USA
Source: U.S. Pat. Appl. Publ., 23 pp., Cont.-in-part of U.S. Ser. No. 586,061. CODEN: USXXCO
Language: English


The invention relates to a process for epoxidizing an olefin (propylene) having a critical temperature in Kelvin comprising contacting the olefin with an oxidant in the presence of a Lewis acid oxidation catalyst and organic base in a solvent system comprising an organic water-miscible solvent to form a reaction system; and pressurizing said reaction system to a pressure between 230 and 700 psi at a temperature below 60 degrees.

Please note:  Abstracts for patent records in CAplus are routinely enhanced to better describe the claimed invention. In this example, CAS enhanced the abstract using additional information found in the patent.

View the full-text U.S. patent from USPTO.

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