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ZHANG YAOHUA

Overview
  • Total Patents
    38
  • GoodIP Patent Rank
    89,307
About

ZHANG YAOHUA has a total of 38 patent applications. Its first patent ever was published in 1992. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, macromolecular chemistry and polymers and environmental technology are JIANGSU ZISHI CHEMICAL TECHNOLOGY CO LTD, SHENZHEN EUBO NEW MATERIAL TECHNOLOGY CO LTD and DANCHEN TECHNOLOGY DALIAN CO LTD.

Patent filings in countries

World map showing ZHANG YAOHUAs patent filings in countries
# Country Total Patents
#1 China 38

Patent filings per year

Chart showing ZHANG YAOHUAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Yaohua 31
#2 Yaohua Zhang 2

Latest patents

Publication Filing date Title
CN105713495A Water-soluble antirust coating containing fiber derivative
CN105713462A Water-soluble coating containing polyether
CN105713494A Water-soluble hardening coating containing sodium alginate
CN105647366A Water soluble flat paint containing maleic anhydride copolymer
CN105713443A Coating additive containing fiber derivative
CN105713442A Coating additive containing polyether
CN105647269A Paint additive containing thickening agent
CN105713445A Coating additive containing maleic anhydride copolymer
CN105713441A Coating additive containing sodium alginate
CN105713444A Coating additive containing sodium polyacrylate
CN105712307A Mechanical device for producing food-grade sodium hexametaphosphate
CN105712308A Mechanical device for producing industrial-grade sodium hexametaphosphate
CN105712311A Production method of chemically pure sodium hexametaphosphate
CN105712309A Production method of food grade sodium hexametaphosphate
CN105712310A Production method of industrial grade sodium hexametaphosphate
CN105713440A Sodium hexametaphosphate additive for preparation of antirust paint
CN104100439A Method for power generation through gravity and buoyancy and in-liquid double-force engine (unit)
CN103977215A Traditional Chinese medicine for treating deficiency of kidneys
CN103961629A Traditional Chinese medicine for treating chronic gastritis
CN104342066A Production device of additive used for preparing bamboo product special-purposed adhesive