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ORMONOTERAPIA RICHTER SPA

Overview
  • Total Patents
    109
About

ORMONOTERAPIA RICHTER SPA has a total of 109 patent applications. Its first patent ever was published in 1958. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and environmental technology are SYNTEX SA, ROCHE ORGANON INC and STEELE CHEM CO LTD.

Patent filings in countries

World map showing ORMONOTERAPIA RICHTER SPAs patent filings in countries

Patent filings per year

Chart showing ORMONOTERAPIA RICHTER SPAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ruggieri Pietro De 35
#2 De Ruggieri Pietro 27
#3 Guzzi Umberto 21
#4 Gandolfi Carmelo 20
#5 Carmelo Gandolfi 13
#6 Umberto Guzzi 8
#7 Carlo Ferrari 5
#8 Ruggeri Pietro De 4
#9 Domenico Chiaramonti 4
#10 Nazzareno Toccaceli 4

Latest patents

Publication Filing date Title
US3484435A Estra-triene-pyrazoles and a method for their preparation
US3558673A 10beta-amino-19-nor-pregnanes and method for the preparation thereof
US3485826A 3-(2'-r-tetrahydropyranyl ethers) of estra-1,3,5(10)-trienes
GB1164850A Steroidal-[2,3-e]-Dihydropyrans
US3481924A 3-(2'-s-tetrahydropyranyl ethers) of estra-1,3,5(10)-trienes
US3458502A Estratriene-(3,2-d)-pyrimidines and method of their preparation
US3449327A 2-cyano-3-amino-estratrienes and a method of their preparation
US3562260A 2-carbonyl-estratrienes and method of their preparation
GB1101119A 2ª‡-aminocarbonyl steroids
GB1101115A 2-hydroxymethylene steroids
US3305545A 3-lower alkyl enolethers of 3-keto-2-carboxy steroids and derivatives thereof
US3268509A Pyrimidine steroids and the nucleosides thereof
US3308116A 2-carboxy amide-3-amino and 2, 3-isoxazole steroids
US3260654A Method for the preparation of a pancreas extract having a high proteolytic activity
US3249627A Method for preparing 2alpha-methyl-3-onazines of 3-keto steroids of the androstane and oestrane series
US3159618A [3, 2-c]-pyrazoles of steroids of the androstane and estrane series
US3198790A Steroidal dipyrimidines
US3185684A Substituted steroidal isoxazoles
GB984399A Estrene derivatives
US3153063A 16-methyl-17-amino-androstane