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RICHARDSON MERRELL INC

Overview
  • Total Patents
    2,074
About

RICHARDSON MERRELL INC has a total of 2,074 patent applications. Its first patent ever was published in 1955. It filed its patents most often in United States, United Kingdom and France. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and machines are MANUF PROD PHARMA, RORER ITALIANA SPA and ROBINS CO INC A H.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Carr Albert A 73
#2 Grisar J 51
#3 Carr A 45
#4 Grisar Johann Martin 43
#5 Carr A A 43
#6 Palopoli Frank P 41
#7 Grisar J Martin 38
#8 Carr Albert Anthony 37
#9 Fleming Robert W 34
#10 Claxton G 32

Latest patents

Publication Filing date Title
IL70789D0 Novel piperazine derivatives and process for their production
IL70788D0 Novel piperazine derivatives and process for their production
US4435571A 5-(Substituted benzyl)-6-oxo-2-piperazine carboxylic acids and esters
US4483988A Substituted derivatives of 4-t-alkoxycarbonyl-piperazin-2-ones
US4439443A Snake bite therapy
US4347255A Snake bite therapy
US4411905A Antisecretory 1,2,4-triazole-3-thiols
PH17096A Anti-rhinovirus agents
US4317817A Novel steroid 5α-reductase inhibitors
US4309426A Muscle-relaxant 1,3,4-thiadiazin-2-amines
IT8050192D0 Compsn. contg. 2-amino-1,3,4-thiadiazine derivs.
ES8304556A1 Procedure for preparing 5- (optionally fenil replaced) -6h-1,3,4-tiadiacin-2-amines (Machine-translation by Google Translate, not legally binding)
JPS5782380A 5-(optionally substituted phenyl)-6h-1,3,4- thiadiazine-2-amines
IL61476D0 Muscle relaxant pharmaceutical compositions containing 5-(optionally substituted phenyl)-6h-1,3,4-thiadiazine-2-amines,some new compounds of this type and process for preparing them
NL8006206A Compsn. contg. 2-amino-1,3,4-thiadiazine derivs. - useful as muscle relaxants for humans and animals
AU6428380A 1,3,4-thiadiazine derivatives
CH647770A5 5-(4-Fluorophenyl)-6H-1,3,4-thiadiazine-2-amines
DE3042295A1 Compsn. contg. 2-amino-1,3,4-thiadiazine derivs. - useful as muscle relaxants for humans and animals
GB2086879A 5-aryl-6h-1,3,4-thiadiazine-2-amines
ZA8006501B 4-(4-alkyl-aroyl-1-piperidino)butyrophenone antipsychotic agents