The R&D Dept.: Local patent roundup for 5.18.22
This week's patents include oil and grease resistant paperboard, a boardgame apparatus and a shirt collar stiffening device.
Source: richmondbizsense.com
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This week's patents include oil and grease resistant paperboard, a boardgame apparatus and a shirt collar stiffening device.
A scientist at a China-based company that makes crucial ingredients for generic drugs warned a year before the start of a global recall that some blood-pressure pills could become tainted with potentially cancer-causing chemicals, according to court documents. Zhejiang Huahai Pharmaceutical Co. makes active ingredients for generic drugs including valsartan,…