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Home › Polyaminopolyamide-epichlorohydrin resins for use as clay and shale inhibition agents for the drilling industry

Polyaminopolyamide-epichlorohydrin resins for use as clay and shale inhibition agents for the drilling industry

US Patent 9631131 · Granted Apr 25, 2017

Estimated economic value: $16,855,000 ⓘ

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