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SHANDONG HUALU HENGSHENG CHEMICAL IND STOCK CO LTD

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    141,476
  • Filing trend
    ⇧ 50.0%
About

SHANDONG HUALU HENGSHENG CHEMICAL IND STOCK CO LTD has a total of 21 patent applications. It increased the IP activity by 50.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, chemical engineering and environmental technology are LYONDELL CHEMICAL TECH LP, RENNOVIA INC and YANG CHENG FEIYANG.

Patent filings in countries

World map showing SHANDONG HUALU HENGSHENG CHEMICAL IND STOCK CO LTDs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing SHANDONG HUALU HENGSHENG CHEMICAL IND STOCK CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Huaichun 15
#2 Yu Fuhong 9
#3 Cui Lifeng 6
#4 Song Wangyi 4
#5 Hou Zhiyang 4
#6 Zhou Xia 4
#7 Sheng Wenguang 3
#8 Qiu Xinzheng 3
#9 Zhang Shufang 3
#10 Qu Jingfang 3

Latest patents

Publication Filing date Title
CN112028599A Formula and preparation method of autoclaved fly ash brick
CN112028771A Method and system for producing alkyl carbonate
CN111100030A Preparation process and preparation device of N, N-dimethylacetamide
CN111841544A Catalyst for preparing alcohol by aldehyde hydrogenation and preparation method thereof
CN111848447A Method for preparing adiponitrile by gas-phase ammoniation and dehydration of adipic acid
CN109357566A Tubular heat exchanger high-efficiency cleaning equipment and cleaning method
CN109126633A The urea prilling tower of high finished product rate
CN110357779A Prepare acetic acid esters technique and its equipment
CN109678808A The cold and hot shunting energy saving technique of the deep clean of melamine product production equipment and device
CN108662270A Crystallizer discharges to the gas control dredge valve on trap pipeline in melamine industrial equipment
CN104001548A Homogeneous catalytic system for carbonyl synthesized butyraldehyde, and preparation and application of homogeneous catalytic system
CN103950939A Meso-porous silica, and catalyst for vapor phase carbonylation of propylene to butyraldehyde with meso-porous silica as carrier
CN103435508A Preparation process and device for N,N-diethylformamide
CN103214387A Method for preparing N,N-diethylformamide
CN103252247A Catalyst system for synthesis of alpha, beta-unsaturated carboxylic acid or ester, preparation and application
CN102698748A Catalyst for synthesizing oxalic ester from CO by gas phase coupling and method for preparing same
CN103130611A Neopentyl glycol condensation hydrogenation production process and device thereof
CN102897796A Clean production method for co-production of ammonium bicarbonate through combination of high purity carbon dioxide and melamine tail gas
CN102327774A Catalyst for preparing ethanol through hydrogenation of acetic ester and preparation method and application of catalyst
CN101898930A Device for producing cyclohexane by adding hydrogen in benzene and synthesis process