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HOWARDS & SONS LTD

Overview
  • Total Patents
    64
About

HOWARDS & SONS LTD has a total of 64 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and chemical engineering are MID CENTURY CORP, WISCHEM CO LTD and FUNDAMENTAL RES COMPANY.

Patent filings in countries

World map showing HOWARDS & SONS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 37
#2 United States 9
#3 Germany 8
#4 France 8
#5 Austria 1
#6 Denmark 1

Patent filings per year

Chart showing HOWARDS & SONS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 William Blagden John 6
#2 Edward Huggett Walter 5
#3 Blagden John William 4
#4 Huggett Walter Edward 2
#5 Hart Lock Ritchie 2
#6 Lock Ritchie Hart 1
#7 Heap Robert 1
#8 Clark George Charles Harry 1
#9 Frank Duffin George 1
#10 Harold Adeock Leonard 1

Latest patents

Publication Filing date Title
DE824041C Process for the preparation of aliphatic α-acyloxymonocarboxylic acids
GB663164A Improved process for the polymerisation of polymerisable compounds
GB620320A Manufacture and use of dehydrated lactic acid
US2465892A Manufacture of acyloxy-carboxylic acids and salts thereof
GB603189A Manufacture of acyloxy-carboxylic acids
US2420255A Manufacture of addition compounds of lactic acid salts with acetic acid
FR911571A Thymol manufacturing process
GB594800A Manufacture of acyloxy-carboxylic acids and salts thereof
US2468670A Manufacture of thymol
GB571137A Manufacture of thymol
GB579970A Manufacture of lactic acid and salts thereof
GB579969A Manufacture of solutions of decomposition products of saccharides
GB532614A Manufacture of hydroxy compounds of the terpene series
FR855262A Process for the preparation of optically active menthones and menthols
FR845128A Optically active piperitone manufacturing process
GB522729A Improvements in the manufacture of mannitol
GB515171A Manufacture of optically active menthones and menthols
GB508001A Production of optically active piperitone
GB501521A Improvements in the manufacture of emulsions
GB467510A Manufacture and application of a plasticising agent for cellulose derivatives