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NANJING YUANHENG CHEMICAL CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    132,491
About

NANJING YUANHENG CHEMICAL CO LTD has a total of 13 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, organic fine chemistry and surface technology and coating are WRIGHT H D, AUSTRALIAN BIOREFINING PTY LTD and DE NORA PERMELEC LTD.

Patent filings in countries

World map showing NANJING YUANHENG CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing NANJING YUANHENG CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Guoyan 13
#2 Du Wenhao 13
#3 Zhang Xinsheng 13

Latest patents

Publication Filing date Title
CN109126470A A kind of salt Sewage treatment utilizes device
CN109183062A A kind of electrolytic cell for tetrapropylammonium hydroxide production
CN109179595A Sewage treatment electrolysis unit
CN109136969A Cyclic electrolysis device
CN109433279A Diffusive separation device for tetramethylammonium hydroxide purifying
CN109289305A A kind of self-cleaning filter for tetramethylammonium hydroxide production
CN109183061A A kind of tetramethylammonium hydroxide productive power solution device
CN109174209A Multifunctional electrical ion switch
CN109126906A Efficient electric ion interchange unit
CN109458730A A kind of salt wastewater treatment equipment
CN109265358A A method of based on electron ion exchange system for high-purity tetrapropylammonium hydroxide
CN109134266A A method of based on the high-purity tetrapropylammonium hydroxide of composite bipolar film electrolytic preparation
CN109206322A A kind of method of purification of the tetrapropylammonium hydroxide based on diffusion dialysis