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SHANDONG EFIRM BIOCHEMISTRY & ENVIRONMENTAL PROT CO LTD

Overview
  • Total Patents
    165
  • GoodIP Patent Rank
    8,884
  • Filing trend
    ⇧ 36.0%
About

SHANDONG EFIRM BIOCHEMISTRY & ENVIRONMENTAL PROT CO LTD has a total of 165 patent applications. It increased the IP activity by 36.0%. Its first patent ever was published in 2011. It filed its patents most often in China, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and materials and metallurgy are ZHEJIANG HUANGMA TECH CO LTD, CHARLES MOUREU and Honshu chemical industry co ltd.

Patent filings in countries

World map showing SHANDONG EFIRM BIOCHEMISTRY & ENVIRONMENTAL PROT CO LTDs patent filings in countries

Patent filings per year

Chart showing SHANDONG EFIRM BIOCHEMISTRY & ENVIRONMENTAL PROT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liang Wangen 128
#2 Cui Weihua 113
#3 Zhang Chao 113
#4 Fei Xiaoyao 51
#5 Zhang Ning 51
#6 Song Wenwen 35
#7 Sun Zhili 35
#8 Yang Cong 29
#9 Jing Peipei 28
#10 Ma Xuefei 28

Latest patents

Publication Filing date Title
CN112174825A Method for reducing acidity of isooctyl nitrate synthesized by using waste acid as raw material
CN112250607A Method for continuously synthesizing thiourea dioxide
CN112250606A Synthetic method of thiodiglycol for optical resin
CN112169835A Catalyst for synthesizing mercaptocarboxylic ester compound and preparation method and application thereof
CN112266428A Preparation method of polymerization inhibitor applied to UV (ultraviolet) light-cured resin
CN112225683A Preparation method and application of pentaerythritol tetra-mercapto carboxylic ester
CN112250583A Preparation method of norbornane dimethylamine
CN112279795A Method for continuously producing thiourea by using microchannel reactor
CN112266760A Preparation method of sulfur-containing polyurethane composite flame-retardant adhesive
CN112080199A Photocuring composition for brightness enhancement film
CN111825579A Preparation method of pentaerythritol ester
CN111763320A Optical resin monomer and preparation method thereof, optical resin and preparation method thereof
CN111632403A Method for washing polythiol crude product
CN111646957A Preparation method of epoxy compound
CN111548340A Method for purifying episulfide compound
CN111574563A Quaternary phosphonium salt modified mercaptan with autocatalysis activity, preparation method and ultrahigh-refractive-index optical resin material prepared from same
CN111592478A Method for reducing chroma of pentaerythritol ester
CN111233072A Treatment method of mercaptan compounds in industrial wastewater
CN111138328A Method for synthesizing thiourea from sulfur
CN111018758A Sulfur-containing monomer, preparation method and application thereof