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WM S MERRELL CO

Overview
  • Total Patents
    127
About

WM S MERRELL CO has a total of 127 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and machines are BEECHAM RES LAB, INST TOXIKOLOGII and KONINKL PHARMA FAB NV.

Patent filings in countries

World map showing WM S MERRELL COs patent filings in countries
# Country Total Patents
#1 United States 79
#2 Canada 24
#3 United Kingdom 8
#4 France 6
#5 Switzerland 4
#6 Belgium 3
#7 Germany 2
#8 Spain 1

Patent filings per year

Chart showing WM S MERRELL COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shelton Robert S 43
#2 Campen Jr Marcus G Van 23
#3 Tilford Charles H 21
#4 Palopoli Frank P 10
#5 Schumann Edward L 10
#6 Campen Marcus G Van Jr 10
#7 Allen Robert E 9
#8 Wheeler Keith W 7
#9 Rider Theodore H 6
#10 Mccarty Frederick J 6

Latest patents

Publication Filing date Title
ES261837A3 Procedure for the preparation of replaced three-phenoli (Machine-translation by Google Translate, not legally binding)
US2991287A 11-pyridyl and 11-piperidyl substituted ethanoanthracenes and process of preparing the same
US2971001A Quaternary salts of triphenylethanols, -ethylenes, and -ethanes
DE1102143B Process for the preparation of aminoalkoxyphenyl compounds
GB856357A 2-aryl-hexahydro-quinolizines
US2944938A Tri-p-anisyl-chloroethylene composition
US2886570A 3-aryl-3-(4-piperidyl) propanols
US2891957A Amino alkoxy phenyl methanes
US2894949A Therapeutic composition
US2894952A Indenones substituted by quinolyl, pyridyl and benzimidazolyl radicals
US2914529A Mono aminoethers of triphenyl ethylenes
US2914563A Therapeutic composition
US2914564A Amine derivatives of 1, 1, 2-triphenylethane
US2914562A Amine derivatives of triphenylethanol
US2914561A Amine derivatives of triphenylethylene
US2898339A N-substituted benzhydrol, benzhydryl, and benzhydrylidene piperidine
GB822854A Substituted triphenylethanols and their production
US2838441A 1, 1-di-(p-chlorophenyl)-2-(2-piperidyl)-ethylene and therapeutic compositions contaiing said compounds
GB860869A Preparation of mono-guanyl-substituted 1,1,2-triphenylethylenes and mono-guanyl-substituted 1,1,2-triphenylethanes
US2877269A Guanyl substituted triphenylethanes, triphenylethylenes and benzalfluorenes