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BUFFALO ELECTRO CHEM CO

Overview
  • Total Patents
    231
About

BUFFALO ELECTRO CHEM CO has a total of 231 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets materials and metallurgy, textiles and paper and chemical engineering are TENNANTS CONS LTD, MARSULEX INC and ELECTRIC REDUCTION CO.

Patent filings in countries

World map showing BUFFALO ELECTRO CHEM COs patent filings in countries
# Country Total Patents
#1 United States 87
#2 Canada 74
#3 France 21
#4 Switzerland 19
#5 United Kingdom 16
#6 Austria 9
#7 Germany 3
#8 Spain 2

Patent filings per year

Chart showing BUFFALO ELECTRO CHEM COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kauffmann Hans O 60
#2 Mcewen Robert L 38
#3 Bretschger Max E 19
#4 Company Inc Buffalo Electro-Ch 17
#5 Shanley Edward S 16
#6 Greenspan Frank P 13
#7 Margulies Paul H 10
#8 Sheldon Fred R 10
#9 Dawsey Lynn H 10
#10 Umhoefer Robert R 8

Latest patents

Publication Filing date Title
DE935124C Process for the production of hydrogen peroxide
GB719523A Manufacture of hydrogen peroxide
GB713156A A stable aqueous hydrogen peroxide and method of preparing same
GB716077A Method of stabilizing a carboxylic peracid
US2663621A Stabilization of peracids
US2661360A Method of making mercuric acetate
US2684353A Method of stabilizing halogen containing polymeric substances against heat and lightwith salts of epoxy fatty acids
US2684889A Method of manufacturing highly purified hydrogen
DE834094C Process for the production of hydrogen peroxide
GB671524A Production of hydrogen peroxide by cyclic hydrogenation and oxidation of alkylated anthraquinones
DE833953C Process for the production of hydrogen peroxide
GB669274A Production of hydrogen peroxide by cyclic hydrogenation and oxidation of alkylated anthraquinones
US2609391A Stabilization of peracids with dipicolinic acid
US2692271A Method of epoxidation
US2661261A Method of superbleaching chemical pulp
US2537655A Auto-oxidation of alkylated anthraquinones
US2537516A Process of producing hydrogen peroxide by the alternate reduction and oxidation of alkylated anthraquinones
US2692181A Treatment of unbleached sulfite pulp
US2624655A Stable aqueous hydrogen peroxide and method of preparing same
GB671962A Process of bleaching wood pulp