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SMITH HERCHEL

Overview
  • Total Patents
    324
About

SMITH HERCHEL has a total of 324 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United Kingdom, Switzerland and Germany. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and consumer goods are SMITH H, BRITISH DRUG HOUSES LTD and ROGER BELLON.

Patent filings in countries

World map showing SMITH HERCHELs patent filings in countries

Patent filings per year

Chart showing SMITH HERCHELs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith Herchel 125
#2 Smith Herchel Dr 101
#3 Hughes Gordon Alan 74
#4 Gordon Alan Dr Hughes 41
#5 Hughes Gordon A 41
#6 Herchel Smith Dr 14
#7 Hughes Gordon Alan Dr 12
#8 Alan Dr Hughes Gordon 12
#9 Hartley David Dr 11
#10 Herchel Smith 10

Latest patents

Publication Filing date Title
US3555096A D-homogona-4,9-dienes and process
IE32912L Pharmaceutical compositions
GB1204174A Pharmaceutical compositions
GB1204171A Pharmaceutical compositions
GB1204173A Pharmaceutical compositions
CH547269A 4-Gonene derivs. prepn. - for use in prepn. of other steroids, and possess specific hormonal activity
CH549560A Progestational 3-oxo-13-ethyl- gon-4-enes - prepd by removing hydro-genhalides from a 4-halo-gonane deriv
CH548993A Synthetic gonenes with progestational and other
CH581667A5 Prepn. of hormonal 13-ethyl steroids - by hydrolysis and rearrangement of protected keto steroids
ES332696A1 A procedure for preparing a gona-1,3,5 (10) -trine. (Machine-translation by Google Translate, not legally binding)
ES332697A1 A procedure for preparing a gona-1,3,5 (10) -trine. (Machine-translation by Google Translate, not legally binding)
CH500959A Gonatrienes oestrogenic and antilipaemic agents and
US4005078A Dithioketal derivatives of 13-polycarbonalkylgon-4-en-3-ones
GB1152731A Pharmaceutical Compositions comprising Steroids
GB1147798A Steroid 3-thioketals
GB1142490A 13-methylgonahexaenes
GB1182257A 03-Alkyl-21-Hydroxy-18,19-Dinorpregn-4-Ene-3,20-Diones and Derivatives Thereof
GB1193951A 03-C2-4 Alkyl-Gonane Compounds
US3547909A Synthesis of gona-2,5(10)-dienes
US3471531A Synthesis of gona-3,5-dienes