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RARE CHEMICALS INC

Overview
  • Total Patents
    21
About

RARE CHEMICALS INC has a total of 21 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and machines are ORGANON LABOR LTD, ORGANON and SMITH HERCHEL.

Patent filings in countries

World map showing RARE CHEMICALS INCs patent filings in countries
# Country Total Patents
#1 United States 21

Patent filings per year

Chart showing RARE CHEMICALS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fritz Johannessohn 7
#2 Erich Rabald 7
#3 Wilhelm Dirscherl 7
#4 Fritz Hanusch 3
#5 Josef Kraus 2
#6 Hans Hatzig 2
#7 Lorenz Ach 1
#8 Albert Rothmann 1
#9 Erwin Fritzsching 1
#10 Friedrich Jager 1

Latest patents

Publication Filing date Title
US2340771A Gold compounds of the cinchona alkaloids and their derivatives and method of manufacturing same
US2309937A Hydroxy derivatives of sulphonal and its homologues
US2312588A Process of obtaining crystallized heart stimulants
US2305734A Calcium hydroxy formate and process of production
US2329147A Stabilized metal sol and method of preparing same
US2263990A Sexual hormone compound and process of producing same
US2259698A Physiologically effective substance and process of preparing same
US2259109A Process for oxidation of halogen compounds of cyclic ketones
US2219791A Process for obtaining proteohormones with albumen character
US2152626A Sexual hormones and method of preparing them
US2152625A Sexual hormones and method of preparing them
US2197853A Sexual hormones and method of preparing them
US2182074A Hormone
US2182073A Hormone
US2142537A Anesthetic ointment
US2058081A Compound of alpha-methyl-heptyl-hydro-cupreicine and process of making same
US2125772A Sexual hormone compositions and process of producing same
US2058073A Hemoglobinometer
US2068027A Process of making glucosides from digitalis purpurea
US2031581A Sexual hormone derivatives