October 7, 2013

CAS databases provide millions of journal article references from more than 10,000 major scientific journals worldwide, patent and patent family references from 63 patent authorities around the world, and other reputable web sources.

The following patent record is from the CAplusSM database.


Patent Number: US 8524926
Title: Epoxidation of allyl chloride olefin with hydrogen peroxide solution at controlled pH in presence of catalyst, supported base and solvent
Inventor(s): Crampton, Hannah L.
Patent Assignee(s): Dow Global Technologies, Inc., USA
Source: PCT Int. Appl., 21pp. CODEN: PIXXD2
Language: English

The invention provides one or more embodiments of a process for the epoxidn. of an olefin.  The process includes reacting the olefin, with the proviso that the olefin is not propylene, with a hydrogen peroxide soln. at a predetd. pH in presence of a catalyst and a solvent at a predetd. reaction temp.  The pH of the hydrogen peroxide soln. is adjusted to the predetd. pH by contacting the hydrogen peroxide soln. with a supported base to remove acidic species from the hydrogen peroxide soln.

Please note:  Abstracts and Titles for patent records in CAplus are routinely enhanced to better describe the claimed invention.

 View the full-text here.

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