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ZHENG GUIFU

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    207,772
About

ZHENG GUIFU has a total of 14 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and foods and drinks are BERENGUER BENEYTO LAB, NINGBO GREEN HEALTH PHARMACEUTICAL CO LTD and CHEMISCHE FABRIK AUF ACTIEN VORM E SCHERING.

Patent filings in countries

World map showing ZHENG GUIFUs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing ZHENG GUIFUs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Zheng Guifu 14
#2 Ou Dexin 1
#3 Ye Huan 1
#4 Wan Haitao 1

Latest patents

Publication Filing date Title
CN105777920A Method for preparing hydroxyethyl starch 200/0.5
CN104920984A Reed leaf rice dumpling
CN103772313A Method for synthesizing 4-methyl-5-(2- ethoxy) thiazole
CN103450015A Synthetic method of tri-n-butyl citrate
CN103351359A Synthetic method of 3-(phenylmethyl)-5-(2-hydroxyethyl)-4-methyl-thiazoline chloride
CN103214589A Preparation method of carbamoylethyl starch
CN103214590A Preparation method of cyanoethyl starch
CN103232550A Preparation method of benzyl starch
CN103193891A Preparation method of starch acetoacetic ester
CN103145862A Preparation method of acetyl starch propionate
CN103114031A Mung bean vinegar and preparation method thereof
CN103087266A Modified superabsorbent sweet potato starch and preparation method thereof
CN103087206A Hydroxyethyl starch 200/0.5 capable of being used as dextran and preparation method thereof
CN103193614A Preparation method for pharmaceutic adjuvant--magnesium stearate