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ZHEJIANG HENGLAN TECH CO LTD

Overview
  • Total Patents
    144
  • GoodIP Patent Rank
    10,004
About

ZHEJIANG HENGLAN TECH CO LTD has a total of 144 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 macromolecular chemistry and polymers, textiles and paper and organic fine chemistry are ZHANGJIAGANG GLORY CHEMICAL IND CO LTD, DEMETA and ZELLWOLLE KUNSTSEIDE RING GMBH.

Patent filings in countries

World map showing ZHEJIANG HENGLAN TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 144

Patent filings per year

Chart showing ZHEJIANG HENGLAN TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Jinlong 50
#2 Wang Songlin 45
#3 Wang Han 28
#4 Wang Wen 26
#5 Lin Qiaoqiao 15
#6 Dong Hailiang 13
#7 Tang Lian 12
#8 Shen Fei 12
#9 Zhang Xinping 12
#10 Shi Qiang 11

Latest patents

Publication Filing date Title
CN112159357A Refining method of caprolactam
CN112281229A Preparation method of polyester fiber with special surface structure
CN112144140A Preparation method of thermotropic flame-retardant anti-dripping aromatic liquid crystal copolyester fiber
CN112250848A Thermotropic flame-retardant anti-dripping aromatic liquid crystal copolyester material and preparation method thereof
CN112239601A Preparation method of anti-dripping flame-retardant nylon material
CN112239588A Molten drop resistant flame-retardant modified polyester and preparation method thereof
CN112142637A Method and system for refining caprolactam
CN112142670A Preparation method of caprolactam
CN112079760A Method and system for refining caprolactam
CN112079759A Caprolactam production device and production method
CN112079700A Method for preparing dimethyl ketene quick separation product by using isobutyric anhydride as raw material
CN112063018A Modified titanium dioxide and preparation method and application thereof
CN111961017A Method for preparing 5-hydroxymethylfurfural in two-phase solution system
CN111978526A Preparation method of cation dyeable polyester master batch with high sulfonate content and high fluidity
CN112047813A Production method of 2,2,4, 4-tetramethyl-1, 3-cyclobutanediol
CN112174797A Efficient separation method of dimethyl ketene
CN111995602A Method for synthesizing 5-hydroxymethylfurfural by utilizing acidic resin to catalyze fructose
CN112047834A Device and method for continuously preparing isobutyric anhydride
CN112023939A Magnetic core-shell type hydrogenation catalyst and method for preparing 2,2,4, 4-tetramethyl-1, 3-cyclobutanediol
CN112023919A Catalyst, device and method for preparing high cis-trans ratio 2,2,4, 4-tetramethyl-1, 3-cyclobutanediol