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MID CENTURY CORP

Overview
  • Total Patents
    145
About

MID CENTURY CORP has a total of 145 patent applications. Its first patent ever was published in 1953. It filed its patents most often in Canada, United States and Switzerland. Its main competitors in its focus markets organic fine chemistry, chemical engineering and macromolecular chemistry and polymers are HOWARDS & SONS LTD, JIANGXI KEYUAN BIOPHARM CO LTD and FUNDAMENTAL RES COMPANY.

Patent filings in countries

World map showing MID CENTURY CORPs patent filings in countries
# Country Total Patents
#1 Canada 30
#2 United States 27
#3 Switzerland 25
#4 United Kingdom 21
#5 Germany 20
#6 France 12
#7 Austria 7
#8 Spain 2
#9 Denmark 1

Patent filings per year

Chart showing MID CENTURY CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Saffer Alfred 45
#2 Alfred Saffer 43
#3 Egbert Robert B 26
#4 Ralph Landau 20
#5 Landau Ralph 18
#6 Barker Robert S 18
#7 Brown David 13
#8 David Brown 8
#9 Robert Samuel Barker 8
#10 Roslyn Heights 6

Latest patents

Publication Filing date Title
US3349951A Connections for alloy lined vessels
US3201423A Process for oxidizing alkyl benzenes to phthalic anhydride
GB910484A Production of carboxylic acids
US3130015A High pressure reactor
US2909575A Chemical process
DE1122521B Process for the preparation of carboxyphenyl derivatives of pentavalent phosphorus
GB898943A Production of carboxyphenyl derivatives of pentavalent phosphorus
GB896255A Production of naphthalene polycarboxylic acids and their anhydrides
DE1124937B Process for the preparation of naphthalene-1,8-dicarboxylic acid anhydride
US3069462A Oxidation of aromatic compounds
US3030414A Process of preparing meta- and para-nitrobenzoic acids
US3089906A Oxidation chemical process
US3089907A Pressure controlled liquid phase oxidation process for aromatic acid production
US2963509A Process for oxidation of mono-alkyl benzene
US2963508A Process for oxidation of monoalkyl naphthalene
US2966515A Oxidation process for the preparation of tertiary alkyl benzoic acid
US2833819A Process for the preparation of isophthalic and terephthalic acids
US2833820A Process for the preparation of isophthalic and terephthalic acids
ES234151A3 Procedure for the preparation of heteroaromatic carboxylic acids (Machine-translation by Google Translate, not legally binding)
ES233687A3 Procedure for the catalytic oxidation of aromatic compounds (Machine-translation by Google Translate, not legally binding)