Patrick Antoine Wilhelmus Weinberg

Addivant USA LLC manufactures and supplies antioxidants, intermediates and inhibitors, polymer modifiers and ultraviolet stabilizer solutions. Its products include AMINOX stabilizer, a low temperature reaction product of diphenylamine and acetone; FLEXZONE 11L anti-ozonant, a stabilizer for SBR and polybutadiene, and LOWILITE 20 UV absorber, an ultraviolet light absorber belonging to the benzophenone class of UVAs. The company was founded in 2013 and is headquartered in Danbury, CT.

Part of Addivant USA Holdings Corp., SI Group Germany (DEAB) GmbH is a company that manufactures and supplies antioxidants, polymers and chemical products. The company is based in Waldkraiburg, Germany. The CEOs are Patrick Antoine Wilhelmus Weinberg, Richard White, Richard Preziotti. The company was founded in 1945 by Matthias Thoma.

Founded in 1960, S I Group - UK Ltd. is a company committed to educating the public about their products. The company is based in Wolverhampton, UK. As part of the ACC Responsible Care initiative, the British company provides product safety summaries for high priority products.

SI Group, Inc. manufactures industrial organic chemical intermediates. Its products include alkylphenols, phenolic resins, and electronic chemicals used by the automotive, plastics, detergent, coatings, and electronics industries. The company was founded by Howard W. Wright in 1906 and is headquartered in Schenectady, NY.

DSM Food Specialties USA, Inc. specializes in enzymes, cultures and protect ants for dairy products. The company was founded in 1999 and is headquartered in Parsippany, NJ.