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NIEDERL JOSEPH B

Overview
  • Total Patents
    24
About

NIEDERL JOSEPH B has a total of 24 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, macromolecular chemistry and polymers and textiles and paper are CHENGDU QIE SI TE TECH CO LTD, CHENGDU DONG DIAN AI ER TECHNOLOGY CO LTD and CHENGDU DONG DIAN AI ER TECH CO LTD.

Patent filings in countries

World map showing NIEDERL JOSEPH Bs patent filings in countries
# Country Total Patents
#1 United States 24

Patent filings per year

Chart showing NIEDERL JOSEPH Bs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Niederl Joseph B 24
#2 Victor Niederl 4
#3 Mcgreal Martin E 3
#4 Hart William F 1
#5 Martin Mcgreal 1

Latest patents

Publication Filing date Title
US2688033A Quaternary octylaniline derivatives
US2437833A Nu-benzyl-nu-myristyl morpholinium halides
US2439749A Nu-alkyl thiamorpholines and derivatives
US2438819A Nitrated estrogenic hormones
US2435014A Halogenated condensation products
US2483838A Diisobutyl substituted heterocyclic compounds
US2440909A Phenolic condensation products
US2380325A Asymmetric quaternary ester-salts of morpholine
US2415754A Mercuriated-(alpha, alpha, gamma, gamma,-tetramethyl) butyl-phenols
US2406892A Nu-benzyl-nu-alkyl morpholinium compounds
US2417992A N, n-dialkyl morpholinium alkylsulfates
US2374949A Alkylidene bis-salicylic acids and method of preparing same
US2332867A Cycloalkylene phenol
US2333548A Process for producing tetra hydroxyphenyl alkanes
US2342294A Double salicylic acid type compound and method of preparing same
US2322311A Carboxylated estrogenic hormones
US2370256A Alkylated phenolic glycolic acids
US2297911A Substituted phenyl malonic acid and derivative thereof
US2252725A Phenolic sugar alcohol
US2112445A Heterocyclic phenols