Learn more

VAREN TECHNOLOGY

Overview
  • Total Patents
    22
About

VAREN TECHNOLOGY has a total of 22 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States, Germany and Japan. Its main competitors in its focus markets organic fine chemistry, chemical engineering and environmental technology are TEIJIN HERCULES CHEM CO LTD, DAKKA JIHAD M and VNII SINT NATURALNYKH DUSHISTY.

Patent filings in countries

World map showing VAREN TECHNOLOGYs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Germany 4
#3 Japan 4
#4 France 2
#5 Canada 1
#6 Italy 1

Patent filings per year

Chart showing VAREN TECHNOLOGYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Vaughan Ronald J 15
#2 Ronarudo Jiei Buoohan 2
#3 Ronarudo Jiei Buoogan 1
#4 Ronarudo Jiei Bauhan 1

Latest patents

Publication Filing date Title
US4409403A Oxyalkylation process
DE3128957A1 Process for preparing a mixed or supported catalyst
JPS5814949A Catalyst carried
US4504685A Oxyalkylation process
US4308215A Sulfonation process
US4303551A Supported catalyst
US4322560A Process for controlling highly exothermic hydroperoxide decomposition
US4532347A Membrane solvent extraction process
US4316997A Alkylation process and apparatus useful therein
JPS55371A Sulfonation process
JPS54148705A Oxyalkylation process
US4188308A Conversion of pendant sulfonate groups to sulfonic acid groups on perfluorvinylether-tetrafluoroethylene copolymer catalysts
CA1072582A Nitration process
JPS5312801A Nitration method of organic compounds
IT1066003B Nitration of organic pref. aromatic pds. - with separation of reactants using perfluorosulphonic acid polymer membrane
US4317949A Alkylation process and apparatus useful therein
US3976704A Nitration process