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CHARNA CHEMICALS LTD

Overview
  • Total Patents
    13
About

CHARNA CHEMICALS LTD has a total of 13 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are BEIJING GENERAL RES INST OF MINING & METALLURG, TITANIUM EQUIPMENT SUZHOU CO LTD JINXIANG and UNIV SCIENCE & TECH BEIJING.

Patent filings in countries

World map showing CHARNA CHEMICALS LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing CHARNA CHEMICALS LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Shuli Yu 12
#2 Lei Zhao 12
#3 Mingjian Qiu 12
#4 Yali Zhang 12
#5 Chaohui Chen 10
#6 Haibin Li 9
#7 Lixia Li 9
#8 Qiong He 7
#9 Heping Zhang 7
#10 Hanquan Du 4

Latest patents

Publication Filing date Title
CN102824833A Method for removing and recovering sulfur dioxide in gas by use of low-energy-consumption and regenerable absorbent
CN102557895A Method for preparing trichlorine metoxybenzene
CN102531421A Cement with low carbon dioxide emission and preparation method thereof
CN101920159A Method for removing and reclaiming sulfur dioxide from gas by low power consumption renewable absorbent
CN102234241A Chemical synthesis method of chiral D-phenylalanine
CN102107951A Microbialactivity enhancing liquid agent for sewage treatment
CN101985429A Method for preparing 2-acetamido-4-phynyl-2-butenoic acid
CN101962513A Two-component tire bladder anti-adhesive agent
CN101962512A Spraying agent used in inner surface of tire
CN101570366A Compound liquid for enhancing sewage biological treatment
CN101747224A One-pot method for preparing alpha-acetamidocinnamic acid
CN101747370A Regeneration method of triphenyl phosphine oxide
CN101735097A Production method of N-acetoglycocoll