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OULU OY

Overview
  • Total Patents
    46
About

OULU OY has a total of 46 patent applications. Its first patent ever was published in 1945. It filed its patents most often in Finland, France and United Kingdom. Its main competitors in its focus markets basic materials chemistry, macromolecular chemistry and polymers and environmental technology are TETSUKOSHA KK, RESITEC IND QUIMICA LTDA and KAUCUK.

Patent filings per year

Chart showing OULU OYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lehtinen Timo Pellervo 5
#2 Gunnar Kulvik 5
#3 Lehtinen T 5
#4 Lehtinen Timo 4
#5 Ravaska Matti Elias 2
#6 Lehtinen Timo Pellervo Dipl In 2
#7 Johan Hannunkari Lasse 2
#8 Lehtinen T P 1
#9 Yrjoe Tuhkunen 1
#10 Liikekeksintoe 1

Latest patents

Publication Filing date Title
FI823378A0 Foerfarande och anordning foer att eliminera kortslutningar och oeverspaenningar i en foer elektrolyen saltloesning avsedd elektrolyscell
FI822853A0 Foerfarande foer att foerbaettra faergen och faergstabilitetenhos en carboxylsyra eller dess blandning
FI820729L Foerfarande foer fraktionering av ligninprodukten som ingaori avluten fraon cellulosaframstaellningsprocessen
DE2545643A1 PROCESS FOR THE PRODUCTION OF HARD TERPE RESINS FROM AN ALPHA-PINEN-CONTAINING MIXTURE OF TERPE HYDROCARBONS
GB1432853A Process for manufacturing fatty acids rosin and hard pitch from tall oil pitch
BE806619A Isomerisation/disproportionation of unsatd acids - to conjugated diene prods used as emulsifiers in elastomer prepns
DE2352498A1 METHOD FOR ISOMERIZATION OF FATTY ACIDS CONTAINING AN ISOLATED SERVICE STRUCTURE AND / OR FOR DISPROPORTION OF RESIN ACIDS CONTAINING A CONJUGATED SERVICE STRUCTURE
CA523332A Arrangement in washing tanks