Learn more

ELDER THOMAS C INC

Overview
  • Total Patents
    34
About

ELDER THOMAS C INC has a total of 34 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets organic fine chemistry and pharmaceuticals are SANOFI ELF, ANANTHAN SUBRAMANIAM and ARYX THERAPEUTICS INC.

Patent filings in countries

World map showing ELDER THOMAS C INCs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Germany 6
#3 United Kingdom 6
#4 Japan 6
#5 Italy 2
#6 Netherlands 2
#7 Australia 1
#8 Belgium 1

Patent filings per year

Chart showing ELDER THOMAS C INCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Organic fine chemistry
#2 Pharmaceuticals

Top inventors

# Name Total Patents
#1 Kaufman Kurt D 9
#2 Kaufman Kurt Dunn 6
#3 Kuruto Dei Kaufuman 5
#4 Kaufmann Kurt Dunn 2
#5 Glunz Louis J 2
#6 Dickson Donald E 2
#7 Kuruto Dan Kaufuman 1
#8 Kaufman M 1
#9 Kaufman K 1

Latest patents

Publication Filing date Title
US4294847A 8-Aminoalkyl-4-alkylisopsoralens
US4294822A 5-Aminoalkyl-4,4,8-trialkylpsoralens
US4279922A Photosensitizing benzofuranacrylics
JPS55124775A Alphaalower alkylfurocoumarin manufacture and intermediate oftained therefrom
US4235781A 6 Or 8 Haloallyl substituted 7-hydroxycoumarins
US4269851A 8-Aminoalkyl-4-alkylpsoralens
US4298614A 5'-Aminoalkyl-4',4-dialkylpsoralens
US4269852A 4'-Substituted-4,5',8-trialkylpsoralens
US4216154A Process for making α-loweralkylfurocoumarins
US4129576A Process for making ω-chloro-2,3,4-trihydroxyacetophenone
US4129575A 8-Methoxypsoralen