Our History

The diversity of our past makes us strong.

For more than 100 years we have been helping our customers improve their profitability by helping them solve their process and water treatment challenges. Learn more about our rich history, which includes legacy companies such as Drew, Betz Laboratories, Hercules, Stockhausen and Ashland Water Technologies, as well as our recent acquisitions and milestones as Solenis.

December

2019

Solenis awarded Gold status by EcoVadis for excellent Corporate Social Responsibility performance.
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January

2019

Solenis and BASF combine paper and water businesses, creating a global specialty chemical company with expanded offerings.
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March

2018

Solenis acquires Topchim NV, expanding its offering to the pulp and paper industry with novel barrier coating technologies.
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June

2017

Solenis receives a 2017 Manufacturing Leadership Award from Frost & Sullivan for its work on the Ashland divestiture.
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October

2016

Solenis acquires Nopco Holding AS, expanding its offering to the pulp and paper industry with novel defoamer and deinking technologies.
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June

2016

Solenis acquires Nuplex Pulp & Paper business from Nuplex Industries Australia Pty Limited, expanding its ability to serve customers in Australia and New Zealand.
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December

2015

Solenis acquires Quimatec Produtos Químicos Ltda, expanding its offerings to the global sugar and ethanol markets.
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October

2015

ABTCP names Solenis best chemical supplier of 2015 for Brazilian pulp and paper industry.
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April

2015

Solenis acquires the pulp and paper assets represented by Connell Bros. Company Private Limited in India, expanding its ability to directly serve Indian customers.
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September

2014

Solenis granted a U.S. patent for its corn oil extraction aids, which improve the separation of corn oil during ethanol production.
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July

2014

Solenis launched following the acquisition of Ashland Water Technologies by a fund managed by Clayton, Dubilier & Rice.
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June

2007

Hercules receives a 2007 Presidential Green Chemistry Challenge Award for its formaldehyde-free, soy-based adhesives.

May

2006

Ashland acquires Stockhausen water treatment business from Degussa AG.

April

1998

Hercules acquires the paper chemicals group of Houghton International Inc.

November

1981

Ashland acquires the Drew Industrial business of Drew Chemical Corporation, establishing itself as a global player in industrial water treatment.

February

1925

Betz Laboratories founded as a water purification compound business by a father and son duo in Philadelphia, Pennsylvania.

January

1912

Hercules Powder Company founded following the breakup of Du Pont’s explosives and gunpowder business.