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SPENCER KELLOGG AND SONS INC

Overview
  • Total Patents
    12
About

SPENCER KELLOGG AND SONS INC has a total of 12 patent applications. Its first patent ever was published in 1914. It filed its patents most often in United States and Canada. Its main competitors in its focus markets basic materials chemistry, macromolecular chemistry and polymers and foods and drinks are LASZLO AUER, VITEX S A and CONTINENTAL RES CORP.

Patent filings in countries

World map showing SPENCER KELLOGG AND SONS INCs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 1

Patent filings per year

Chart showing SPENCER KELLOGG AND SONS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Alexander Schwarcman 5
#2 Schroeder Herbert M 2
#3 Hauge Hans M 2
#4 Schwarcman Alexander 2
#5 Pawlak Joseph A 2
#6 Terrill Robert L 2
#7 Edward Handschumaker 1
#8 Waythomas Donald J 1
#9 Hoyer Horst G 1
#10 Melvin Agster 1

Latest patents

Publication Filing date Title
US2999755A Fluid shortening and method of making the same
US2970062A Urethane modified drying oil
US2996464A Thixotropic oil vehicle
US2996396A Thixotropic oil vehicle
US3001958A Modifying drying oil
US2912396A Preparation of drying oil by modification and copolymerization of soy bean oil with a vinyl monomer
US2484328A Method of modifying castor oil
US2330180A Modifying castor oil
US2292902A Modifying castor oil
US1692226A Process of treating oils
US1172062A Catalyst and process of preparing the same.
CA261174A Oil preparation