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SOUTHERN PHOSPHATE CORP

Overview
  • Total Patents
    15
About

SOUTHERN PHOSPHATE CORP has a total of 15 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets basic materials chemistry, materials and metallurgy and chemical engineering are SMITH DOUGLASS COMPANY INC, YIDU XINGFA CHEMICAL COMPANY LTD and INST KHIM IM V I NIKITINA AN T.

Patent filings in countries

World map showing SOUTHERN PHOSPHATE CORPs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 2
#3 United Kingdom 1
#4 Ireland 1

Patent filings per year

Chart showing SOUTHERN PHOSPHATE CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ellis Edward J 4
#2 Johnson Hagood 3
#3 Coleman John H 3
#4 Pamplin John W 2
#5 Harry Coleman John 1
#6 Ten Eyck Hugh S 1
#7 Fulton Chester A 1
#8 Ten Eyek Hugh S 1
#9 Coleman John Harry 1
#10 John Chocholak 1

Latest patents

Publication Filing date Title
IE16663L Phosphoric acid
US2384856A Manufacture of crude phosphoric acid
US2384814A Production of pure phosphoric acid and intermediate products
US2330875A Method for mixing and conditioning pulp
US2384813A Manufacture of pure phosphoric acid
US2319395A Aqueous drilling mud
US2327408A Flotation
US2272799A Method for treating phosphate rock
US2267496A Method for pneumatic flotation
US2384825A Method of separating quartz sand from phosphate rock
US2198592A Method of conditioning superphosphate
US2111532A Process of treating phosphate
CA435741A Pure phosphoric acid production
CA439354A Phosphoric acid manufacture