J&J, Colgate Expert Defends Talc Products As Trial Nears End

Law360, Oakland, Calif. (May 29, 2019, 10:10 PM EDT) -- As a six-week trial over claims that Johnson & Johnson and Colgate-Palmolive's talcum products caused a consumer's cancer neared conclusion Wednesday, the companies called a mineralogist to testify that the dying woman's experts had misclassified nontoxic fibers as asbestos.

Mineralogist Matthew Sanchez of the RJ Lee Group said the plaintiff's expert — microscopy expert William Longo — misclassified fibers as asbestos bundles and incorrectly classified particles in talc samples as tremolite and anthophyllite asbestos.

Sanchez also said the plaintiff's other electron microscopy expert, Lee Poye, made a similar error in his analysis of diffraction patterns and wrongly concluded the particles were anthophyllite...

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