J.M. Huber, a company operating a diverse portfolio of businesses, agreed to acquire Active Minerals International, a producer of wide range of high-quality attapulgite and air-floated kaolin clay products, from Golden Gate Capital, an American private equity firm. Financial terms were not disclosed. “We are excited to welcome Active Minerals employees into our purpose-driven, principled culture. The addition of AMI to our HEM business will provide additional value to the overall portfolio and support our drive to continue to meet the needs of our customers around the globe,” Gretchen McClain, J.M. Huber President and CEO.