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DURHAM CHEM

Overview
  • Total Patents
    18
About

DURHAM CHEM has a total of 18 patent applications. Its first patent ever was published in 1966. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets basic materials chemistry, surface technology and coating and macromolecular chemistry and polymers are IKA INNOVATIVE KUNSTSTOFFAUFBEREITUNG GMBH & CO KG, AKCROS CHEM and HUNAN YINGHONG SCIENCE & TECHNOLOGY CO LTD.

Patent filings in countries

World map showing DURHAM CHEMs patent filings in countries
# Country Total Patents
#1 United Kingdom 7
#2 Germany 3
#3 France 3
#4 Austria 1
#5 Canada 1
#6 Norway 1
#7 Sweden 1
#8 United States 1

Patent filings per year

Chart showing DURHAM CHEMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Robinson Peter John 3
#2 Ridley Maurice Alexander 3
#3 Tapping Kenneth George 2
#4 Ruffell Joseph Frederick Edwin 2
#5 Ridley Maurice A 1
#6 Edwards George 1
#7 George Tapping Kenneth 1
#8 Robinson P 1
#9 Robinson Peter J 1
#10 Robson John Edward 1

Latest patents

Publication Filing date Title
GB1570178A Compositions for stabilisation of vinyl chloride polymers
GB1570177A Vinyl chloride polymer composition
DE1920688A1 Electrode for an electrochemical element and method of manufacturing such an electrode
GB1273717A Improvements in and relating to methods of treating polytetrafluoroethylene tapes for use in electrochemical cells
GB1273718A Improvements in and relating to polytetrafluoroethylene tapes
GB1131351A Improvements relating to electrophoretic deposition of metallic paints
CA842772A Electrodeposition of zinc particles