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CHENGDU QIANYE LONGHUA PETROLEUM ENG TECH CONSULTING CO LTD

Overview
  • Total Patents
    61
  • GoodIP Patent Rank
    24,179
  • Filing trend
    ⇩ 100.0%
About

CHENGDU QIANYE LONGHUA PETROLEUM ENG TECH CONSULTING CO LTD has a total of 61 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China and United Kingdom. Its main competitors in its focus markets organic fine chemistry are HEBEI YIPIN PHARMACEUTICAL CO LTD, YWK CHEMICALS TAICANG CO LTD and UETIKON CHEMIE GMBH.

Patent filings in countries

World map showing CHENGDU QIANYE LONGHUA PETROLEUM ENG TECH CONSULTING CO LTDs patent filings in countries
# Country Total Patents
#1 China 31
#2 United Kingdom 30

Patent filings per year

Chart showing CHENGDU QIANYE LONGHUA PETROLEUM ENG TECH CONSULTING CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Guan Genan 19
#2 Guan Gen'An 12

Latest patents

Publication Filing date Title
GB201713553D0 Drug intermediates diphenyl acetone synthesis method
GB201713401D0 Drug intermediates 3-ene hexenoic acid synthesis method
GB201713405D0 Organic synthesis intermediates 4-iodobenzaldehyde synthesis method
CN106008226A Synthesis method of diflunisal drug intermediate 2,4-difluoroaniline
CN105859518A Synthetic method for flunarizine drug intermediate bis 4-fluorophenyl methyl alcohol
CN105859605A Synthetic method of awakening drug intermediate 1,3,3-trimethyl-5-hydroxy indole hydrochloride
CN105777559A Synthesis method of nifekalant hydrochloride medical intermediate 2-[3-(4-nitrophenyl) propyl amino] ethyl alcohol
CN105439944A Synthesis method of disopyramide drug intermediate 2-bromopyridine
CN105503651A Synthetic method for methanesulfonic phentolamine drug intermediate chloroacetonitrile
CN105669636A Synthetic method for bifendate medicine intermediate 3-methoxy-4,5-methylenedioxymethyl benzoate
CN105566109A Method for synthesizing carbenicillin sodium pharmaceutical intermediate diethyl(phenylmethylene)malonate
CN105503506A Method for synthesis of non-steroidal anti-inflammatory drug diclofenac drug intermediate cyclohexene
CN105503697A Synthesis method for doxepin drug intermediate phthalic diamide
CN105622373A Synthetic method for 4-hexyl-1,3-benzenediol drug intermediate 2-heptanone
CN105503494A Synthetic method for medical intermediate cyclopentene of ketamine
CN105503493A Synthesis method for flavonoid compound drug intermediate 1,1-diphenyl-1-propylene
CN105503564A Method for synthesizing clofibrate drug intermediate 2-(4-Chlorophenoxy)-2-methylpropionic acid
CN105503491A Synthesis method of terbinafine medical intermediate tert-butyl acetylene
CN105541658A Synthetic method of drug intermediate azidobenzene of aza-purine
CN105481669A Synthesis method of nafcillin sodium drug intermediate 2-ethoxy-1-naphthaldehyde