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HARDMAN & HOLDEN LTD

Overview
  • Total Patents
    208
About

HARDMAN & HOLDEN LTD has a total of 208 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and basic materials chemistry are SOWA FRANK J, CROMPTON CORP and DOVER CHEMICAL CORP.

Patent filings in countries

World map showing HARDMAN & HOLDEN LTDs patent filings in countries

Patent filings per year

Chart showing HARDMAN & HOLDEN LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Krug Pavel 29
#2 Turner John Harry Wallice 17
#3 Davison Brian Kay 11
#4 Harson Samuel Edward 8
#5 Turner J 8
#6 Turner John H W 8
#7 Kemp Stanley Gordon 8
#8 Davison Brian K 7
#9 Davison B 5
#10 Harson S 5

Latest patents

Publication Filing date Title
ZA7400161B Compositions based on aluminium compounds
GB1453956A Process for the encapsulation of particles
DE2335212A1 Substd aluminium alcoholates - and adducts with resins pigments,drying oils and fillers,in coating composns
ZA7302070B Aluminium containing compounds
GB1462610A Air drying compositions based on aluminium compounds
GB1434191A Aluminium containing compounds and composites
GB1397407A Aluminium containing pharmaceutical compounds
GB1408564A Gelation process
GB1353320A Process for the production of metal soaps
FR2039140A1 Vat dyeing textiles
GB1220282A Promoting the adhesion of halogen-containing resins to textiles
GB1192620A Process for Dyeing or Printing Textile Materials
GB1207324A Improvements in and relating to the bonding of particulate and fibrous minerals
GB1140066A Improvements relating to heat stable basic salts of organic acids
GB1093465A Improvements relating to zirconium-organic complexes
GB1071943A Improvements relating to organic aluminium compounds
GB1127624A Improvements relating to organic aluminium compounds
GB1079135A Improvements relating to bleaching of wood pulp
GB1075125A Improvements relating to phosphorus-containing metal-organic compounds
GB1058395A Improvements relating to zirconium compounds