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DOVERSTRAND LTD

Overview
  • Total Patents
    69
About

DOVERSTRAND LTD has a total of 69 patent applications. Its first patent ever was published in 1966. It filed its patents most often in United Kingdom, France and Spain. Its main competitors in its focus markets macromolecular chemistry and polymers, textiles and paper and machines are TOPCHIM N V, STFI PACKFORSK AB and MICHIGAN RES LAB INC.

Patent filings in countries

World map showing DOVERSTRAND LTDs patent filings in countries

Patent filings per year

Chart showing DOVERSTRAND LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ripley-Duggan B A 9
#2 Ripley-Duggan Basil Alexander 6
#3 Mahil Mohinder Singh 4
#4 Heaton John Raymond Douglas 4
#5 Ripley Duggan B 3
#6 Freeman M 3
#7 Butters Daphne 3
#8 Ripley-Duggan Basil A 2
#9 Affeldt Hans 2
#10 Lister F 2

Latest patents

Publication Filing date Title
GB9302415D0 Improvements in or relating to wall coverings
GB8403982D0 Making spread elastomeric foam by the no-gel method
GB8329327D0 Improvements in drilling fluids
GB8309127D0 Drilling muds/fluids
GB8305369D0 Preparation of spread elastomeric foam by no-gel method
GB1563236A Copolymer latices and their use in paper coating compositions having pick resistance
ZA7504901B Backing textile materials
US3823104A Solid foams and their preparation
AU3969472A Agglomerating butadiene polymer latices
US3795647A Agglomerating latices of diene polymers
GB1338833A Agglomerating butadiene polymer latices
GB1256373A Flocculation of particles dispersed in aqueous media
GB1271282A Aqueous coating compositions containing butadiene copolymers
GB1262460A Coating compositions
IE31270L Coating fabrics
GB1191640A Latex Backing of Tufted Carpets
GB1126130A Fabric coating process and products thereof
GB1182253A Improvements in or relating to Aqueous Compositions for Pigment Coating Permeable Substrates.