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NANTONG ACETIC ACID CHEMICAL CO LTD

Overview
  • Total Patents
    82
  • GoodIP Patent Rank
    23,222
  • Filing trend
    ⇧ 25.0%
About

NANTONG ACETIC ACID CHEMICAL CO LTD has a total of 82 patent applications. It increased the IP activity by 25.0%. Its first patent ever was published in 2009. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets organic fine chemistry, environmental technology and materials and metallurgy are JIANGSU SANMEI CHEMICALS CO LTD, YIXING QIANCHENG BIOENGINEERING CO LTD and KVAERNER PROCESS TECH LTD.

Patent filings in countries

World map showing NANTONG ACETIC ACID CHEMICAL CO LTDs patent filings in countries

Patent filings per year

Chart showing NANTONG ACETIC ACID CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhu Xiaogang 77
#2 Liu Fang 77
#3 Qing Jiu 52
#4 Yu Xinnan 45
#5 Ding Caifeng 30
#6 Xue Jinquan 25
#7 Yao Junsheng 22
#8 Xue Jianfeng 13
#9 Zhu Aihua 11
#10 Wang Jianhua 10

Latest patents

Publication Filing date Title
CN111137996A Method for recycling 2-picolinic acid in 2-cyanopyridine wastewater
CN111087342A Recovery method of 2-methylpyridine in preparation process of 2-cyanopyridine
CN111186922A Method for recovering 2-picolinic acid from 2-cyanopyridine wastewater
CN111138348A Method for recovering 4-methylpyridine in preparation process of 4-cyanopyridine
CN111170931A Method for recovering 3-methylpyridine in 3-cyanopyridine preparation process
CN111056975A Method for removing acetone from acetonitrile product
CN111018741A Continuous new process for preparing acetonitrile
CN110804014A Process for synthesizing 2-cyanopyridine by continuous method
CN112142555A Method for recovering dichloromethane in acesulfame potassium synthesis
CN112142687A Continuous acylation synthesis method in synthesis of acesulfame potassium
CN112142688A Stepwise neutralization reaction method in preparation of acesulfame potassium
CN112142602A Continuous treatment method for acesulfame potassium waste acid
CN111377811A Continuous preparation method of sorbic acid
CN111375339A Batching device and solvent micro-mixing method in continuous preparation of acesulfame potassium
CN111377885A Method for cyclization and hydrolysis in continuous production of acesulfame potassium
CN111377886A Micro-channel reaction method and reaction system for cyclization and hydrolysis section in preparation of acesulfame potassium
CN111377883A Continuous post-treatment method of acesulfame potassium
CN111377881A Method for continuously preparing acetyl sulfanilic acid
CN111377880A Continuous preparation method of acesulfame potassium
CN111377834A Continuous preparation method of acetoacetamidosulfonic acid triethylamine