Learn more

WALTER HENRY GROOMBRIDGE

Overview
  • Total Patents
    14
About

WALTER HENRY GROOMBRIDGE has a total of 14 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United Kingdom. Its main competitors in its focus markets organic fine chemistry, chemical engineering and macromolecular chemistry and polymers are TONGLING JINTAI CHEMICAL IND CO LTD, ZHEJIANG ZHONGXIN FLUORIDE MAT CO LTD and ZAKL AZOTOWE IM F DZIERZYNSK.

Patent filings in countries

World map showing WALTER HENRY GROOMBRIDGEs patent filings in countries
# Country Total Patents
#1 United Kingdom 14

Patent filings per year

Chart showing WALTER HENRY GROOMBRIDGEs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB633882A Manufacture of alkali metal cyanides
GB625203A Improvements in or relating to the manufacture of aliphatic diesters of aromatic dicarboxylic acids
GB628161A Improvements in the manufacture of acetic acid
GB621520A Manufacture of carboxylic acids
GB600182A Production of acetic acid and other lower fatty acids from their salts
GB551893A Improvements in the production of cellulose ethers
GB551312A Exothermic chemical processes
GB563885A Improvements in the hydration of olefines
GB540915A The manufacture of aliphatic acids and their anhydrides
GB539359A The concentration of aliphatic acids
GB507593A Improvements in or relating to the treatment of gases containing sulphur
GB507420A Production of a metallic composition
GB507419A Production of improved metallic compositions
GB301186A Improvements in and relating to the manufacture of insecticides