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RICHARDSON MERRELL SPA

Overview
  • Total Patents
    104
About

RICHARDSON MERRELL SPA has a total of 104 patent applications. Its first patent ever was published in 1962. It filed its patents most often in United Kingdom, Germany and United States. Its main competitors in its focus markets organic fine chemistry, machines and pharmaceuticals are MICHEL DELALANDE, EN NOM COLLECTIF SCIENCE UNION and SHIMAMOTO TAKIO.

Patent filings in countries

World map showing RICHARDSON MERRELL SPAs patent filings in countries

Patent filings per year

Chart showing RICHARDSON MERRELL SPAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Viterbo R 25
#2 Viterbo Rene 21
#3 Mastursi M 13
#4 Mastursi Michele 13
#5 Lembo Sabino 11
#6 Lembo S 10
#7 Perri G 9
#8 Perri Giulio Cesare 7
#9 Larizza A 5
#10 Brancaccio Giovanni 5

Latest patents

Publication Filing date Title
US3907823A Dibenzocycloheptan-dioxolan derivatives and their preparation method
ZA7208334B Process for preparing hydroxy-l-proline or n-acethyl-hydroxy-l-proline form hydrolyzed gelatin
GB1341650A Mannich baes of cyclopentanones and cyclopent-2-enones
IL40153D0 Mannich bases of cyclopentanones and cyclopent-2-enones and process of preparing the same
AU4568772A Mannich bases of cyclopentanones and cyc lop ent-2 enones and process of preparing thesame
CA986517A Mannich bases of cyclopentanones and cyclopent-2-enones and process of preparing the same
ZA7205587B Mannich bases of cyclopentanones and cyclopent-2-enones and process of preparing the same
US3852296A Mannich bases of cyclopentanones and cyclopent-2-enones and process of preparing the same
CA985691A P-(2-(1-phenyl-3,5-dioxy-4-n-butyl)-pyrazolydinyl) phenylphosphoric acid, its organic and inorganic salts and their preparation
ZA7201297B Process of separating optical,geometric,structural isomers and the compounds used for
IL38607D0 3a,12b-dihydro-8h-dibenzo-(3,4:6,7)-cyclohepta-(1,2d)-1,3-dioxolan-8-ol(3-one)derivatives and process of preparing same
GB1340637A Dibenzocycloheptadioxolan derivatives
ZA7200344B Dibenzocycloheptadioxolan derivatives
ZA7106628B Composition and method for treatment of hepatic disease and mental fatigue
US3661909A 5h-dibenzo (a,d) cyclohepten-10-yl-piperazines
GB1211168A Improvements in or relating to closure devices for containers
ES360209A1 Closure device for bottles and similar. (Machine-translation by Google Translate, not legally binding)
ES352067A1 A method of preparation of enamins. (Machine-translation by Google Translate, not legally binding)
GB1189734A Piperazine-Derived Enamines
CH496664A Dibenzosuberene derivs