Tianhong Obtained Patent Licensing
2016/06/13
On 13 June, Yunnan Tianhong Technology Center obtained the patent licensing for “Yunnan Black Tea Essential Oil Production” from the State Intellectual Property Office.
This invention adopts the latest supercritical fluid extraction and molecular distillation in a combined way and in low temperature and low pressure in order to improve the extraction efficiency without using any harmful organic reagent and to produce an outstanding Yunnan Black Tea Essential Oil with excellent fragrance and quality and with no residual solvent. The patented process for producing black tea essential oil production is easy and simple to handle, highly efficient and effective, pollution-free and environmental friendly.