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LANZHOU OIL REFINING CHEMICAL

Overview
  • Total Patents
    27
About

LANZHOU OIL REFINING CHEMICAL has a total of 27 patent applications. Its first patent ever was published in 1990. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines are ULYANOVSKIJ NI N PROIZV OBEDIN, GEORGOPOULOS G and CAPPA GIULIO CESARE.

Patent filings in countries

World map showing LANZHOU OIL REFINING CHEMICALs patent filings in countries
# Country Total Patents
#1 China 27

Patent filings per year

Chart showing LANZHOU OIL REFINING CHEMICALs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Chou Lingjun 3
#2 Zhang Qingwei 3
#3 Du Jun 3
#4 Fu Hongxiang 3
#5 Xingguo Fu 2
#6 Lei Cao 2
#7 Fu Xisheng 2
#8 Fu Xingguo 2
#9 Chen Xiangke 2
#10 Xu Xiaohong 2

Latest patents

Publication Filing date Title
CN1847202A Liquid hydrocarbon absorbing and distilling depuration process
CN1335320A Synthesis of diisooctyl molybdenum dithiophosphate
CN1335379A Composition for antiwear hydraulic lubricant oil additive
CN1335373A Industrial production technology of dewaxing fluidized bed solvent
CN1317547A FCC catalyst for reducing olefin content in gasoline and its preparing process
CN1282783A Lubricating oil composition for engine
CN1282784A Composition oil of gasoline engine
CN1282782A Universal composite additive for IC engine oil
CN1262266A Process for prepared boronized high-basicity magnesium alkylsalicylate as additive of lubricating oil
CN1262265A Process for preparing boronized middle-basicity calcium alkylsalicylate as additive of lubricating oil
CN1259562A Automobile automatic drive liquid composition
CN1259561A Oil film bearing oil composition
CN1232862A All-white clay catalyst for fluid catalytic cracking and its preparation
CN1230584A Heavy oil emulsifier and its mixing process
CN1184142A First-stage hydrocracking catalyst for heavy oil hydrogenation producing base oil for lubricant oil
CN1184143A Second-stage hydrocracking catalyst for heavy oil hydrogenation producing base oil for lubricant oil
CN1174228A Commonly-used internal combustion engine oil composition
CN1144223A Method for preparation of zinc dialkyl dithiophosphate
CN1144216A Method for preparation of calcium alkyl salicylate with high base number
CN1114348A Process for preparing alkyl salicylate additive