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JAPAN GAS CHEMICAL CO

Overview
  • Total Patents
    149
About

JAPAN GAS CHEMICAL CO has a total of 149 patent applications. Its first patent ever was published in 1963. It filed its patents most often in Germany, United Kingdom and France. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and machines are EL PASO PRODUCTS CO, ALLIED CHEM & DYE CORP and OCCIDENTAL CHEM CO.

Patent filings in countries

World map showing JAPAN GAS CHEMICAL COs patent filings in countries
# Country Total Patents
#1 Germany 40
#2 United Kingdom 32
#3 France 31
#4 United States 30
#5 Canada 11
#6 Netherlands 3
#7 Italy 1
#8 Philippines 1

Patent filings per year

Chart showing JAPAN GAS CHEMICAL COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakano Takashi 14
#2 Ueno Tamotsu 14
#3 Yun Huang Ching 8
#4 Okamoto Kazuo 8
#5 Ito Yoshiro 6
#6 Fujiyama Susumu 5
#7 Nagashima Wakio 4
#8 Miyamoto Akira 4
#9 Suzuki Takashi 4
#10 Kazuo Ueno 4

Latest patents

Publication Filing date Title
US3841903A Process for producing paper-like synthetic resin film
GB1351523A Catalyst and process for producing aromatic nitriles
PH10645A Process for producing a formaldehyde aqueous solution having a low methanol content
GB1337783A Process for producing formaldehyde
US3683044A Heat-curable composition comprising polyglycidyl xylylene-diamine and process for preparation of polyglycidyl xylylenediamine
US3652700A Process for disproportionation of methylbenzenes
US3711558A Process for the preparation of aromatic glycols
US3708524A Process for producing hydroxyalkylacrylates or hydroxyalkylmethacrylates
US3709928A Process for purifying hydroxyalkylacrylates or hydroxyalkylmethacrylates by distilling in the presence of polyalkyleneglycols
US3839428A Process for preparation of organic carboxylic acid
GB1286030A Process for producing durene
GB1282342A Xylylene dicarbamates and processes for their production
US3717671A Xylylene dicarbamates and process for preparing the same
US3647054A Process for purifying xylylenediamine by alkaline agent addition and distillation
CA936873A Process for the separation of ethylbenzene
US3697546A Method of producing trioxan
US3644553A Process for the decomposition of a solution of hydrogen fluoride-boron trifluoride-xylenes complex
US3598642A Printable polystyrene sheet material
GB1282775A Improvements in or relating to the preparation of terephthalic acid
US3635897A Unsaturated nitrile-modified aromatic hydrocarbon-formaldehyde resins