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D X SUNRAY OIL COMPANY

Overview
  • Total Patents
    12
About

D X SUNRAY OIL COMPANY has a total of 12 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and chemical engineering are GUILLON EMMANUELLE, ABB LAMMUS GLOBAL INK and SASOL TECH (PROPRIETARY) LIMITED.

Patent filings in countries

World map showing D X SUNRAY OIL COMPANYs patent filings in countries
# Country Total Patents
#1 United States 4
#2 Canada 3
#3 United Kingdom 3
#4 Germany 1
#5 France 1

Patent filings per year

Chart showing D X SUNRAY OIL COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Provine Robert W 5
#2 Brant Victor L 4
#3 Mehlhorn Lawrence T 3
#4 Thompson Warren L 3
#5 Vernon Lawson John 2
#6 Morgan David G 2
#7 Hartley David D 2
#8 Morgan Madeleine G 1
#9 Hartley David Douglas 1
#10 Morgan David L 1

Latest patents

Publication Filing date Title
US2981771A Regeneration of spent adsorbent
US2965558A Process for treating acid sludge
GB826657A Regeneration of adsorbent material
GB771736A Improvements in or relating to stabilized waxes resistant to discoloration by light
US2860066A Stabilized paraffin wax resistant to discoloration by light
US2821485A Stabilized waxes resistant to discoloration by light
CA636399A Regeneration of adsorbent material
CA568270A Stabilized waxes resistant to discoloration by light
CA612206A Purification of hydrocarbons