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CLAYTON ANILINE CO LTD

Overview
  • Total Patents
    131
About

CLAYTON ANILINE CO LTD has a total of 131 patent applications. Its first patent ever was published in 1897. It filed its patents most often in United Kingdom, Switzerland and France. Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and macromolecular chemistry and polymers are NAT ANILINE & CHEM CO INC, JIANGSU DAOBO CHEMICAL CO LTD and FRITZ ULLMANN.

Patent filings in countries

World map showing CLAYTON ANILINE CO LTDs patent filings in countries

Patent filings per year

Chart showing CLAYTON ANILINE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Company Limited The Clayton An 10
#2 Company Ltd The Clayton Anilin 5
#3 Hildreth John David 5
#4 Hildreth John D 4
#5 Kettle Alan 3
#6 Haslam David Geoffrey 3
#7 Timmins Stephen Frederick 2
#8 Allen David E 2
#9 Haslam David G 2
#10 Whalley Roy 2

Latest patents

Publication Filing date Title
EP0032784A2 Production of hydrazobenzene-3,3'-disulphonic acid
US4299779A Catalytic reduction of 2-nitronaphthalene-4,8-disulfonic acid ammonium salt
GB2015364A Filter press
DE2907702A1 FILTER PRESS
EP0000805A1 Catalytic hydrogenation process for the manufacture of chlorinated aromatic amines
EP0000634A1 Process for the manufacture of naphthylamine sulphonic acids
CA1111451A Process for the preparation of diaminotoluenes
GB1593859A Process for preparing concentrated aqueous solutions of phenylbenzthiazolmonoazo dyes
GB1527602A Preparation of concentrated aqueous solutions of tertiary amine salts of disazo dyestuffs
GB1444716A Dyestuff preparations
GB1381730A Process for the industrial manufacture of dinitrostilbene disulphonic acid
GB1406031A Pressure-sensitive copying material
GB1399839A Pressure-sensitive copying material
CA936534A Process for the manufacture of 5,6-benzquinaldine
GB1347467A Process for the preparation of crystal biolet lactone
GB1349062A Process for the preparation of leuco crystal violet lactone
GB716338A Manufacture of compounds containing two 1:2:3-triazole rings
US2553011A Manufacture of disazo-dyestuffs containing copper in complex union
GB628028A Manufacture of disazo-dyestuffs containing copper in complex union
GB608115A Manufacture of disazo-dyestuffs containing copper in complex union