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US4 patents

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US8637718B2Jan 28, 2014

Biomass to biochar conversion in subcritical water

GUPTA RAM B17 citations78
US10155836B2Dec 18, 2018

Reaction product of a cyclic urea and a multifunctional aldehyde

GUPTA RAM B2 citations69
US9193885B2Nov 24, 2015

Process for the preparation of a reaction product of a cyclic urea and a multifunctional aldehyde

GUPTA RAM B1 citations48
US9267028B2Feb 23, 2016

Mixtures of crosslinking agents

GUPTA RAM B0 citations38