Assignee
EVONIK DEGUSSA WELLINK SILICA
CN·0 granted patents·2 pending applications·0 citations·filing 2006–2006
Top patents by PatentIndex Score
2 records- 0119US2008199384A1Process For Producing Silica, Sodium Sulfite and Sodium Hydrogen Sulfite With Sodium SulfateEVONIK DEGUSSA WELLINK SILICA·Filed 2006·Application pending·0 cites
- 0218US2008199385A1Process for Producing Silica and Sodium Sulfite with Sodium SulfateEVONIK DEGUSSA WELLINK SILICA·Filed 2006·Application pending·0 cites
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