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CHANGZHOU SONGSHENG PERFUMERY CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    223,452
About

CHANGZHOU SONGSHENG PERFUMERY CO LTD has a total of 22 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, chemical engineering and environmental technology are PIGAMO ANNE, TECHNIP E & C LTD and RABINOVICH G L.

Patent filings in countries

World map showing CHANGZHOU SONGSHENG PERFUMERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing CHANGZHOU SONGSHENG PERFUMERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Songhao 22
#2 Xu Yi 4
#3 Xue Jingxian 4

Latest patents

Publication Filing date Title
CN104311414A Preparation method of ethyl benzoate
CN105399623A Diethyl maleate preparation method
CN104338503A Apparatus for preparing diethyl succinate through catalyzing by sodium bisulfate
CN104338336A Reduced pressure distillation apparatus for producing methyl benzoate
CN104341302A Method for preparing ethyl caprate, and stirring apparatus for preparing ethyl caprate
CN104338509A Reaction kettle for continuous production of ethyl butyrate
CN104338491A Catalyst recycling system provided apparatus for preparing ethyl heptanoate
CN104338502A Apparatus for preparing ethyl propionate under protection of nitrogen
CN104338498A Apparatus for producing propyl butyrate
CN104341300A Apparatus for preparing ethyl acetate
CN104341295A Methyl butyrate preparation method and apparatus thereof
CN104338497A Apparatus for producing butyl butyrate
CN104341308A Apparatus for producing o-methyl chloroformate
CN104338338A Rectifying apparatus for producing ethyl octanoate
CN104341303A Apparatus for producing propyl hexanoate
CN104338339A Rectifying tower for separating and purifying ethyl hexanoate
CN104338340A Alcohol-water separation rectifying tower in propyl acetate production process
CN104341301A Apparatus for producing methyl propionate
CN104761450A Preparation method of ethyl propionate