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SCHAACK BROS CHEMICAL WORKS IN

Overview
  • Total Patents
    29
About

SCHAACK BROS CHEMICAL WORKS IN has a total of 29 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and chemical engineering are PETROLEUM CHEMICAL CORP, BERG LLOYD and TAIZHOU XINWEI CHEMICAL CO LTD.

Patent filings in countries

World map showing SCHAACK BROS CHEMICAL WORKS INs patent filings in countries
# Country Total Patents
#1 United States 29

Patent filings per year

Chart showing SCHAACK BROS CHEMICAL WORKS INs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schaack Jr Robert H Van 14
#2 Robert Calvert 5
#3 Lacy Kenneth B 4
#4 Denune Young Hoylande 2
#5 Jacques Schalch 2
#6 Schaack Jr Robert Hubbard Van 2
#7 Olson John W 1
#8 Latimer Holter William 1
#9 Norris Boehmer 1

Latest patents

Publication Filing date Title
US2009062A Method for minimizing polymerization
US1960209A Waterproofing composition
US2064667A Process of reacting olefines with sulphuric acid
US1991948A Process of reacting olefines with sulphuric acid
US1973662A Process for reacting olefins with carbon monoxide
US1949093A Esters of secondary alcohols
US1848155A Esters of secondary butyl alcohol
US2014546A Cyanide composition and process of making the same
US1919145A Denatured alcohol composition
US1926567A Keto-alcohol
US1907309A Liquid fuel
US1885393A Process of drying liquids by dialysis
US1901481A Distributor for liquids
US1759331A Derivative of alkoxy-fatty acids
US1854385A Process of drying organic liquids
US1815878A Esters of secondary alcohols
US1802623A Ester of tetrahydrofurfuryl alcohol
US1807304A Ester of diethylene glycol
US1708902A Process of esterifying aldehydes
US1765318A Process for the manufacture of acetic acid