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CASTLE PETER CAMERON DOUGLAS

Overview
  • Total Patents
    14
About

CASTLE PETER CAMERON DOUGLAS has a total of 14 patent applications. Its first patent ever was published in 1894. It filed its patents most often in United Kingdom, Canada and Spain. Its main competitors in its focus markets macromolecular chemistry and polymers, textiles and paper and agriculture are LILIENFELD PATENTS INC, KEEVER STARCH COMPANY and LEON LILIENFELD DR.

Patent filings in countries

World map showing CASTLE PETER CAMERON DOUGLASs patent filings in countries
# Country Total Patents
#1 United Kingdom 11
#2 Canada 1
#3 Spain 1
#4 United States 1

Patent filings per year

Chart showing CASTLE PETER CAMERON DOUGLASs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Castle Peter Cameron Douglas 13

Latest patents

Publication Filing date Title
GB191120648A Improved Product for use in Textile and other Manufactures.
GB191010075A A New and Improved Combination for Sizing and Finishing Purposes.
GB190628492A New or Improved Compositions applicable for use in Various Manufactures.
CA101891A Manufacture of gum tragasol from locust bean kernels
GB190510822A Improvements in the Manufacture of Gum Tragasol from Locust Bean Kernels
GB190506936A A New or Improved Adhesive or Binding Agent applicable for use in the Manufacture of Beltings, Doubling Cloths and other Manufactures.
GB190404415A New or Improved Manufacture of Soap Washing Compounds and the like.
GB190402167A Improvements in or relating to the Manufacture and Waterproofing of Leather, Leather Cloths, and all kinds of Animal and Vegetable Fabrics
GB190324629A New or Improved Manufacture of Artificial Mother of Pearl and Apparatus therefor.
US641934A Preparing locust-beans for extracting gum.
GB189906151A Improvements in and Combination of Machinery for Shelling the Locust Bean Kernels.
GB189519130A New or Improved Chemical Substance, and the Application thereof to Industrial Purposes, such as Rubber, Gutta-percha or Celluloid Substitutes, Insulations of Electrical Conductors, Coverings for Ships' Bottoms, or Wall and Floor Coverings.
GB189424877A Improvements in or appertaining to the Utilisation of a Waste or Nearly Waste Product, and the Manufacture of a Useful Gum or Gummy Compound therefrom.