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TETRALIN G M B H

Overview
  • Total Patents
    28
About

TETRALIN G M B H has a total of 28 patent applications. Its first patent ever was published in 1916. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and pharmaceuticals are ALADAR SKITA DR, BOYER & CIE and VFT AG.

Patent filings in countries

World map showing TETRALIN G M B Hs patent filings in countries
# Country Total Patents
#1 Germany 22
#2 France 3
#3 United Kingdom 3

Patent filings per year

Chart showing TETRALIN G M B Hs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
DE377587C Process for the preparation of mono- and dichloro-1-ketotetrahydronaphthalene
DE362539C Process for the preparation of polycyclic derivatives of 2-phenylquinoline-4-carboxylic acid and their abkoemmlingen substituted in the benzene nucleus of the quinoline residue
GB148419A A process for the preparation of ar-tetrahydronaphthylthioacetic acids
GB147580A Improvements in or relating to the hydrogenation of naphthalene
GB147747A Improvements in or relating to the hydrogenation of naphthalene
DE355650C Process for the production of hydrocoumarins and their compounds
DE335477C Process for the preparation of oxygen-containing derivatives of -a- ß-dibromotetrahydronaphthalene
DE335476C Process for the preparation of derivatives of tetrahydro-SS-naphthylamine
DE332593C Process for the preparation of ß-nitronaphthalene
DE336615C Process for the preparation of the ar-1-tetrahydronaphthalene sulfonic acid and the conversion products of their chloride
DE333060C Process for the preparation of viscous oils
DE328212C Process for making a polishing compound
DE324863C Process for the purification of technical naphthalene, especially for the preparation of hydrogenated naphthalenes
DE329833C Process for the preparation of a liquid benzene mixture at low temperature
DE326486C Process for the preparation of the nitro compounds of tetrahydronaphthalenes and alkyltetrahydronaphthalenes substituted in the aromatic or cyclohexene ring by hydroxyl or amino groups