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For Immediate Release

New lubricious coating from Bayer MaterialScience LLC meets unique application needs

Slippery-when-wet material resists dry-out in air and reduced-humidity environments

July 13, 2010

Pittsburgh, July 13, 2010 — Bayer MaterialScience LLC recently announced the addition of Baymedix™ CL 300 to its portfolio of coatings for the medical device industry. Baymedix™ CL 300 is a dryout-resistant lubricious coating that, once wetted, can be exposed to air for up to 10 minutes while staying slippery.

Baymedix™ CL 300 expands the range of markets that can be served by Bayer MaterialScience's lubricious coatings. According to Paul Nowatzki, business development manager, Bayer MaterialScience LLC, "Our Baymedix™ CL 100 lubricious coating has attracted a lot of interest, but the Baymedix™ CL 300 is a good option in otherwise challenging applications like acidic environments with pH less than five, or for devices that are exposed to air for long periods during use."

The dryout-resistant Baymedix™ CL 300 relies on a special material formulation which contains a natural osmolyte to help retain water. Besides slowing dry-out in air, it can be used in environments in the body that tend to draw out moisture from coatings, like the mucosal tissue of the urethra.

Lubricious coatings are used widely on intermittent urinary catheters, but not all coatings are created equal. Data from Bayer MaterialScience suggest that Baymedix™ CL 300 provides better durability and a lower coefficient of friction (<0.02) than competitive intermittent catheter coatings.

One advantage of Baymedix™ CL 300 is that its lubricity is durable, withstanding 50 or more test cycles. The durability is provided, in part, by the sacrificial nature of the coating. Explains Nowatzki, "Baymedix™ CL 300 slowly wears away over time, while Baymedix™ CL 100 is designed not to degrade at all under stress." This means Baymedix™ CL 300 is suitable for some applications and not others. It has been shown to be non-sensitizing, non-cytotoxic and non-irritant in ISO 10993-compliant tests.

The application process for this coating system is traditional and straightforward. A primer coat of polymer in solvent is dipped or sprayed onto a part to increase adhesion. Once the primer is dry, the lubricious top coat is applied and dried. The product has been successfully demonstrated on a variety of plastic substrates.

Baymedix™ CL 300 has already been supplied to selected companies for evaluation, and certain samples can be coated at Bayer MaterialScience's global Medical Coatings Development Centre in Sheffield, England. Assisting customers with development and implementation is a key part of Bayer MaterialScience's strategy for servicing the medical device industry.

Bayer MaterialScience LLC is one of the leading producers of polymers and high-performance plastics in North America and is part of the global Bayer MaterialScience business with approximately 14,300 employees at 30 production sites around the world and 2009 sales of 7.5 billion euros. The company manufactures high-tech polymer materials and develops innovative solutions for products used in many areas of daily life. The main segments served are the automotive, electrical and electronics, construction, medical, and sports and leisure industries. Sustainability is central to Bayer MaterialScience LLC's business and is based around the key areas of innovation, product stewardship, excellence in corporate management, social responsibility and respect for the environment.

For more information about Bayer MaterialScience LLC's coatings, adhesives or specialties, call 412-777-3983, e-mail naftainfo@bayerbms.com or visit www.bayermaterialsciencenafta.com.

For more information about Baymedix™, call 412-777-3074, e-mail medical@bayerbms.com, or visit www.baymedix.com.

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This website may contain forward-looking statements based on current assumptions and forecasts made by Bayer Group or subgroup management. Various known and unknown risks, uncertainties and other factors could lead to material differences between the actual future results, financial situation, development or performance of the company and the estimates given here. These factors include those discussed in Bayer's public reports which are available on the Bayer website at www.bayer.com. The company assumes no liability whatsoever to update these forward-looking statements or to conform them to future events or developments.

Media Contact(s)
Name:	Sean Kelly
Phone:	412-777-5200
Company:	Bayer MaterialScience
Email:	sean.kelly@bayerbms.com