Eastman Chemical Company Announces Availability of Eastman Cellulose Acetate (CA-320S) for use as a Pharmaceutical Excipient in U.S and Europe

Published: Jul 11, 2008

Kingsport, TN., (July 11, 2008) Eastman Chemical Company is pleased to announce the availability of Eastman™ Cellulose Acetate (CA-320S NF/EP), a pharmaceutical excipient for oral dosage drug formulations that enables improved delivery of active pharmaceutical ingredients.

Eastman™ CA-320S is an excipient that is particularly useful in controlled-release applications involving membrane release or matrix release. When used for controlled release applications, CA-320S aids in drug delivery by releasing the drug in the body at a controlled rate and over a predictable period of time.

CA-320S is the newest member of the Eastman family of cellulose esters for pharmaceutical applications including CA-398-10NF/EP, CAB 171-15 NF, and CA -320S NF/EP. Each has different physical properties and with the addition of CA-320S, formulators can have greater flexibility in designing drug delivery systems for targeted and controlled, sustained, or extended release.

CA-320S NF/EP is made under current good manufacturing conditions (cGMP) for oral dose pharmaceutical applications and meets the requirements of the National Formulary (NF) and European Pharmacopeia (EP).

About Eastman Chemical Company

Eastman manufactures and markets chemicals, fibers and plastics worldwide. It provides key differentiated coatings, adhesives and specialty plastics products; is a major supplier of cellulose acetate fibers; and produces PET polymers for packaging. As a Responsible Care® company, Eastman is committed to achieving the highest standards of health, safety, environmental and security performance. Founded in 1920 and headquartered in Kingsport, Tenn., Eastman is a FORTUNE 500 company with 2007 sales of $6.8 billion and approximately 10,500 employees.

For more information about Eastman and its products, visit www.eastman.com or contact Lucy Stewart, global trade media relations, at +1-423-229-4229 or globalmediarelations@eastman.com.

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