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Petia Todorova Tontcheva
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Schaumburg, IL, US
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last 30 patents
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Patent Grant
Method for processing sludge
Patent number
11,407,668
Issue date
Aug 9, 2022
Ecolab USA Inc.
David B. Mitchell
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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last 30 patents
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Patent Application
PAINT OVERSPRAY TREATMENT COMPOSITIONS AND METHODS OF USE
Publication number
20240336790
Publication date
Oct 10, 2024
ECOLAB USA INC.
Petia Todorova Tontcheva
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...