Patents For Utility Models

The company has nine patents for utility models, including an anti-clogging polycondensation device for PBS production, a deadweight tower device for BDO production from bio-based succinic acid, a degradable plastics granulation device, a condensation device for PBS polyester production, a continuous evaporation device for anti-clogging of bio-based succinic acid, a device for extracting light components of -butyrolactone products, a light tower unit for BDO production by bio-based biotechnology, a decolorizing column for succinic acid production by biological method and a reflux tank unit for tetrahydrofuran production.