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OSTRO RES LAB INC

Overview
  • Total Patents
    13
About

OSTRO RES LAB INC has a total of 13 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and pharmaceuticals are SYNTHETIC PATENTS CO INC, JIANGSU DAOBO CHEMICAL CO LTD and FARBENFABRIKEN ELBERFELD CO.

Patent filings in countries

World map showing OSTRO RES LAB INCs patent filings in countries
# Country Total Patents
#1 United States 9
#2 United Kingdom 2
#3 Germany 1
#4 France 1

Patent filings per year

Chart showing OSTRO RES LAB INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tolstoouhov Alexander V 4
#2 Iwan Ostromislensky 4
#3 Russell Hopkinson 2
#4 Hill Arthur J 1
#5 Serge Semenoff 1
#6 Fernald Merritt C 1

Latest patents

Publication Filing date Title
GB519838A Improvements in or relating to antiseptics and process of making them
US2162014A Antiseptic and process of making it
US2119077A Naphthalene derivatives containing a c h n group and process of producing them
US2100054A Anesthetic tannate
US2035502A Method of preparing purified para amino phenol
US2013394A Purified amino phenol and process
US2035510A Purified amino phenol salt and process
US2040183A Therapeutics for killing bacteria
DE572664C Process for the production of azo dyes
GB355380A Method of preparing new azo dyes
US1785327A Alkyl-phenyl ether
US1867587A Purified phenylene-disazo-bismeta-phenylenediamine