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THEODOROPULOS SPYROS

Overview
  • Total Patents
    13
About

THEODOROPULOS SPYROS has a total of 13 patent applications. Its first patent ever was published in 1984. It filed its patents most often in United States and EPO (European Patent Office). Its main competitors in its focus markets organic fine chemistry, machines and basic materials chemistry are PYRIDIUM CORP, DIWU ZHENJUN and ATTO TEC GMBH.

Patent filings in countries

World map showing THEODOROPULOS SPYROSs patent filings in countries
# Country Total Patents
#1 United States 12
#2 EPO (European Patent Office) 1

Patent filings per year

Chart showing THEODOROPULOS SPYROSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Theodoropulos Spyros 13
#2 Woiszwillo James E 1
#3 Rudolph Natalie S 1

Latest patents

Publication Filing date Title
US7022858B2 Unsymmetrical methine and polymethine dye-molecules for fluorescent intracellular applications
US5215890A Chromogenic substrate to peroxidase enzymes
US5220000A Bifunctional-bis-quinolinols, and their metal chelates
US5294717A Bifunctional chelating agents, their chelates and process of preparation
US5118499A Quinoline polymers, their chelates and process of preparation and use
EP0297763A2 Cyclic anhydride derivatives of chromophors
US5043269A Chromogenic substrate to peroxidase enzymes
US4810782A Di-ureadopyridines and their chelates
US4873318A Oxazine-ureas and thiazine urea chromophors
US4933352A Bi-functional carbamates of 2-ureado-pyridine compounds
US4780535A Maleic and phthalic diamides
US4789742A Isomaleimide and isophthalimide derivatives of chromophors
US4600775A Isomaleimide and isophthalamide derivatives of chromophors