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DU RUONAN

Overview
  • Total Patents
    14
About

DU RUONAN has a total of 14 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and surface technology and coating are NAKAGAWA YUKIO, ARON WORLD KK and SHION KK.

Patent filings in countries

World map showing DU RUONANs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing DU RUONANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Du Ruonan 14

Latest patents

Publication Filing date Title
CN104650249A New technology of sodium phosphate starch
CN104651813A Novel copper electroless plating technology
CN104650248A Acid-modified starch extraction technology
CN104642527A Vegetable preservative technology
CN104556326A Novel process of desizing wastewater treatment agent
CN104546537A Novel technology of making mothproof toothpaste
CN104558432A Polyacrylamide particulate flocculant
CN104560464A Antiseptic and antifungal cleaning agent
CN104546557A Novel process for preparing modifying hair cream
CN103421569A Solid fuel capable of changing waste into valuables
CN103416588A Technology for producing high protein forage from straw
CN103421342A Novel technology for refining food pigment by utilizing corn bran
CN103387433A Compound selenium fertilizer and preparation method thereof
CN103388136A Novel metal plating process