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O BRIEN CORP

Overview
  • Total Patents
    13
About

O BRIEN CORP has a total of 13 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets macromolecular chemistry and polymers, machines and basic materials chemistry are ETERNAL CHEMICAL CHINA CO LTD, BRITISH RESIN PROD LTD and GAETANO F D ALELIO.

Patent filings in countries

World map showing O BRIEN CORPs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 1
#3 United Kingdom 1

Patent filings per year

Chart showing O BRIEN CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Miranda Thomas J 5
#2 Herman Herbert R 4
#3 Thomassen Ivar P 2
#4 Huemmer Thomas F 2
#5 Edison Bruce A 1
#6 O'Brien Edward J Jr 1
#7 Marcotte Thomas F 1
#8 Vass Richard T 1
#9 Plooy Ronald J 1
#10 O'Brien Jr Edward J 1

Latest patents

Publication Filing date Title
US5460644A Stain-blocking and mildewcide resistant coating compositions
US4590218A Method and apparatus for forming a chemical composition from cross-linking components and product of the method
US4123402A Curing agent for water-based epoxy resins
US4025548A Radiation curable oligomers
US3912670A Radiation curable can coating composition
GB1147732A Improvements in or relating to isocyano-acrylic polymerization systems
US3344003A Solid propellant fuel composition containing epoxy resins based on diphenolic acid derivatives
US3260820A Magnetic flow switch
US3329635A Water soluble condensation polymers
US3203935A Polymeric compositions of terpolymers reacted with aminohydroxy compounds
US3208981A Process for preparing terpolymers containing oxazoline units
US3296160A Epoxy resins based on diphenolic acid derivatives
CA788545A Flow switch