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ETS KUHLMANN

Overview
  • Total Patents
    257
About

ETS KUHLMANN has a total of 257 patent applications. Its first patent ever was published in 1899. It filed its patents most often in France, Germany and United Kingdom. Its main competitors in its focus markets macromolecular chemistry and polymers, materials and metallurgy and machines are ALPINE CHEMISCHE AG, ZHEJIANG HUANGMA TECH CO LTD and LIMING RES INSTITUTE CHEMICAL IND.

Patent filings in countries

World map showing ETS KUHLMANNs patent filings in countries

Patent filings per year

Chart showing ETS KUHLMANNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Frisch Kurt C 13
#2 Robertson Earl J 8
#3 Damusis Adolfas 8
#4 James Daniel 6
#5 Barillet Francis 6
#6 Axelrood Seymour L 6
#7 Lefrancois Robert 4
#8 Mingasson Georges Dr-Ing 3
#9 Paire Henri Le 3
#10 Lantz Robert Lazare 3

Latest patents

Publication Filing date Title
GB976417A Improvements in and relating to vigoreux printing and dyestuff pastes therefor
GB986197A Odourless polymer compositions
US3179710A Dimerization of 2-methyl-1-pentene
DE1188574B Process for the production of halogenated phosphoric acid ester mixtures suitable as fire retardants
GB970782A Cellular polystyrene
DE1153518B Process for the production of stable and hard polyurethane foams based on polyether
GB891813A Improvements in the manufacture of aldehydes by the oxo synthesis
DE1206419B Process for the production of aldehydes and alcohols by the oxo synthesis
GB844280A Castor oil conversion products for use in lubricating oil and transmission fluid compositions
DE1212293B Process for the production of molded bodies with a cellular structure from resin granules which can be stretched in the heat
GB813163A Extraction of amines
GB840885A Flow regulation
GB766198A Coloured cellulose ethers and xanthates
ES219294A1 A procedure for the preparation of colored cellulose derivatives (Machine-translation by Google Translate, not legally binding)
DE964444C Alloy for deoxidizing iron alloys
DE934884C Process for the production of stabilized ª † -sulfuric anhydride
US2826483A Method of stabilization of sulphuric anhydride
ES207404A2 A procedure for pigmentation of the viscose before the spinning (Machine-translation by Google Translate, not legally binding)
GB723514A Improvements in or relating to the production of pigmented viscose yarns, ribbons, films or the like
DE952932C Process for dyeing ribbons or threads made of viscose