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Dow Chemical Company v. Mahlum12/31/1998 Deichmann for Dow Corning on the same date. The first, entitled "Six Silicone Materials," reported that six silicone compounds (the first five of which were different concentrations of DC 200 and the sixth, a substance identified as "Z-4141") that were fed to male and female rats resulted in no deleterious effects, with the following exceptions: (1) all six compounds reduced the number of granulocytic (white blood) cells in the peripheral blood of female rats, (2) the livers of all the rats fed the sixth compound (Z-4141) were significantly heavier than those of the control rats, and (3) the sixth compound induced a fatty infiltration or degeneration in the liver. The second version of the study, entitled "Five Silicone Materials," omitted all references to the sixth compound and its effects. The second version also explained that initial testing had suggested a depression in the number of leukocytes (white blood cells) in all female rats over a period of 90 days, but that subsequent work on control animals showed that silicone was not the cause of the decrease.
In 1959, Dow Corning established the non-profit Center for Aid to Medical Research, which provided the medical community with medical product,s and research regarding the uses of silicone for medical applications. In the early 1960s, Dr. Thomas Cronin, a plastic sur(geon and researcher from Baylor University, approached Dow Corning about the possibility of using silicones in breast implants. In 1962, Dow Corning commenced clinical trials on silicone breast implants. Dow Corning sold $93,000.00 worth of breast implants in 1962.
In 1964, Dow Corning formed its Medical Products Division. Also in 1964, Dow Chemical acquired a substantial interest in Gruppo Lepetit, an Italian pharmaceutical company that had, in some foreign countries, an exclusive distribution agreement with Dow Corning to market Dow Corning's medical line, including its breast implants. Lepetit sold Dow Corning breast implants outside the United States throughout Europe, South America, and Australia.
From its inception, Dow Corning has enjoyed physical proximity with Dow Chemical, being located just "across the road and down the way" in Midland, Michigan. In 1965, Dow Corning created a Bioscience Research Department to explore the potential biological activities of organosilicon compounds. The department was housed in the same building as Dow Chemical's toxicology and research laboratories until 1970. Until 1968, Dow Corning lacked its own toxicology laboratory and staff and relied on outside contract laboratories, such as Dow Chemical, for toxicological testing and information. Dow Corning scientists often sought input from Dr. Rowe and other Dow Chemical scientists regarding silicone technology and toxicological effects. In 1968, Dow Corning established its own toxicology laboratory, but for the first two years, it shared the same building as Dow Chemical's toxicology laboratory. Dow Corning continued thereafter to share laboratory facilities and animals with Dow Chemical, and its scientists continued to consult with Dow Chemical personnel regarding toxicological research. From 1968 until 1973, Dow Corning's new toxicology laboratory and staff were headed by a former Dow Chemical toxicologist, Kenneth Olson. In 1973, Olson returned to work for Dow Chemical; Olson testified that in his capacity as the chief toxicologist for Dow Corning, he likely knew that Dow Corning's breast implants contained silicone fluid as a component.
Dow Chemical was not the sole testing facility doing research for Dow Corning. Betweeen 1964 and 1976, Dow Corning commissioned outside laboratories, often those recommended by Dow Chemical, to conduct animal testing and long-
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