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DONGGUAN LEVEKING BIOTECHNOLOGY CO LTD

Overview
  • Total Patents
    17
About

DONGGUAN LEVEKING BIOTECHNOLOGY CO LTD has a total of 17 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, textiles and paper and biotechnology are HEFEI LONGFA PACKAGE CO LTD, BDL SPECIALIST PROD and STEPHENSON GROUP.

Patent filings in countries

World map showing DONGGUAN LEVEKING BIOTECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing DONGGUAN LEVEKING BIOTECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Jianying 16
#2 Hu Guanjian 15
#3 Zhang Qinghui 14
#4 Ma Huiguo 8
#5 Guo Hongtao 6
#6 Nie Xinhua 5
#7 Gong Yun 3
#8 Liu Zhongjian 2
#9 Lai Guangcai 2
#10 Kong Zongyao 2

Latest patents

Publication Filing date Title
CN104695264A Biological enzyme composition for synchronous treatment of waste cardboard paper ink and sticker, and application thereof
CN104695261A Biological enzyme composition for synchronous treatment of newsprint paper ink and sticker, and application thereof
CN104694515A Biological enzyme composition for synchronous treatment of culture paper ink and sticker, and application thereof
CN104695263A Biological enzyme composition used for synchronously processing office waste paper printing ink and gummy substance as well as application thereof
CN103898789A Bio enzyme preparation for improvement of paper forming strength of alkaline peroxide mechanical pulp (APMP) and application thereof
CN103898790A Beating enzyme preparation, and preparation method and application thereof
CN103790062A Method of improving fine screening efficiency of wastepaper pulping process by compound enzyme
CN103790054A Method for improving fine screening efficiency in cultural paper pulp manufacturing procedures
CN103790061A Method for improving fine screening efficiency in packing paper pulp manufacturing procedures
CN103790063A Method for improving fine screening efficiency in newspaper pulp manufacturing procedures
CN103667231A Application of surfactant in stabilization of enzyme activity of alkaline lipase for deinking waste paper
CN103669067A Post-floatation process of deinking bio-enzyme
CN103669066A Method of improving removal rate of gummy substances in waste cardboard paper
CN103147333A Self-suction combined jet device for flotation deinking
CN102535215A Papermaking plant fiber pretreatment method
CN102532980A Neutral biological enzyme deinking agent and preparation method thereof
CN103088688A Clean wastepaper deinking production method