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SCHIEFFELIN & CO

Overview
  • Total Patents
    17
About

SCHIEFFELIN & CO has a total of 17 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States, Switzerland and France. Its main competitors in its focus markets organic fine chemistry, medical technology and pharmaceuticals are CHENGDU ZHONG HENG HUA TIE TECHNOLOGY CO LTD, CHENGDU ZHONG HENG HUA TIE TECH CO LTD and CHENGDU DONGDIAN AIER SCIENCE AND TECH CO LTD.

Patent filings in countries

World map showing SCHIEFFELIN & COs patent filings in countries
# Country Total Patents
#1 United States 14
#2 Switzerland 1
#3 France 1
#4 United Kingdom 1

Patent filings per year

Chart showing SCHIEFFELIN & COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Treves Gino R 6
#2 Stuart Alfred H 4
#3 Tallman Ralph C 4
#4 Milton Silverman 2
#5 Green Maurice 1
#6 Schieffelin Co 1
#7 Bernard Heinemann 1
#8 Praag Dina Van 1
#9 Whitacre Francis M 1

Latest patents

Publication Filing date Title
US2770646A Quaternary ammonium compounds of basic esters of 2-aryl-2-(1-hydroxycyclohexyl) ethanoic acids
US2770647A Quaternary ammonium compounds of basic esters of 2-aryl-2-(1-hydroxycyclopentyl) ethanoic acids
US2558020A Basic esters of 2-aryl-2-(1-hydroxycyclohexyl) ethanoic acid and acid addition salts of the same
US2554511A Basic esters of 2-aryl-2-(1-hydroxycyclopentyl) ethanoic acid and acid addition salts of the same
US2595735A Basic esters of 2, 3-di (4-alkoxyphenyl)-2-hydroxypropanoic acid
US2596107A Use of carbalkoxy hydroxy benzo-coumarin against fungi
US2577093A Method of controlling fungi by means of an acylamido naphthoquinone
US2596631A Acylated amino acid silver salts
US2596108A Nitro substituted products of di (alkoxyphenyl) ethane
US2455535A Estrogenic substances
US2486580A Estrogenic substances
GB623724A Artificial estrogenic substances
US2400033A Estrogenic substances
US2400034A Racemic estrogenic compounds
US844449A Inhaler.