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IVASCHENKO ALEXANDR V

Overview
  • Total Patents
    24
About

IVASCHENKO ALEXANDR V has a total of 24 patent applications. Its first patent ever was published in 1981. It filed its patents most often in German Democratic Republic, Switzerland and Czechoslovakia. Its main competitors in its focus markets basic materials chemistry and organic fine chemistry are NIPPON KANKO SHIKISO KENKYUSHO, NIHON KANKOU SHIKISO KENKYUSHO and KRAUS WILHELM DR JUN.

Patent filings per year

Chart showing IVASCHENKO ALEXANDR Vs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lazareva Valentina T 11
#2 Rumyantsev Vladimir Grigorievi 8
#3 Ivaschenko Alexandr Vasilievic 8
#4 Prudnikova Elena K 8
#5 Titov Viktor V 7
#6 Rumyantsev Vladimir G 6
#7 Titov Viktor Vasilievich 6
#8 Pljusnina Tamara S 6
#9 Ivaschenko Alexandr V 6
#10 Blinov Lev M 6

Latest patents

Publication Filing date Title
WO8803158A1 Derivatives of anthraquinone as dichroic dye for liquid-crystal material, a liquid-crystal material and electro-optical device
IT8321162D0 Cyclohexane carboxylic acid liq. crystal materials - for use in electro=optical devices
NL8301442A Cyclohexane carboxylic acid liq. crystal materials - for use in electro=optical devices
DK174483D0 Liquid crystal materials
GB8310766D0 Cyclohexancarboxylic acid liquid-crystal materials
CH653700A5 Liquid-crystalline material
FR2535733A1 Anthraquinone derivatives, their preparation process, liquid crystal material containing the same, and electro-optical device using the same
CA1183532A Anthraquinone derivatives, method for preparing same, liquid-crystal material and electro-optical device
NL8204119A Acylated anthraquinone cpds. - used as negative dichroitic dyestuff in LC compsns. giving wide colour range and high contrast
IT8223860D0 Acylated anthraquinone cpds.
DK455482A Anthraquino derivatives and procedures for their preparation and electro-optical organic and crystal materials for such organ
CH656611A5 Anthraquinone derivatives, and liquid-crystalline material containing these derivatives
CS408482A1 Derivaty antrachinonu jako dichromni barviva pro tekute krystaly, tekute krystaly k elektrooptickym zarizenim a elektroopticke zarizeni
RO85320A Process for the preparation of trans and cis 2,2'-azoimidazole derivatives
CH651844A5 2,2'-AZOIMIDAZOLE DERIVATIVES, METHOD FOR THEIR PRODUCTION, LIQUID CRYSTALLINE MATERIAL AND AN ELECTROOPTIC DEVICE.
DD237077A3 Dichroitic dye for liquid crystals
DD237076A3 Liquid crystal composition
CS290181A1 2,2-azoimidazole derivatives as dichroic pigments for liquid crystals
CS237419B1 Susujskij,vjaceslav n.,su