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ZEITZ HYDRIERWERK GMBH

Overview
  • Total Patents
    30
About

ZEITZ HYDRIERWERK GMBH has a total of 30 patent applications. Its first patent ever was published in 1985. It filed its patents most often in German Democratic Republic, Germany and Poland. Its main competitors in its focus markets basic materials chemistry, macromolecular chemistry and polymers and organic fine chemistry are NYNAES PETROLEUM AB, DATTA SUDHIN and TOTAL RAFFINAZH MARKETIN.

Patent filings in countries

World map showing ZEITZ HYDRIERWERK GMBHs patent filings in countries
# Country Total Patents
#1 German Democratic Republic 19
#2 Germany 5
#3 Poland 3
#4 Austria 2
#5 France 1

Patent filings per year

Chart showing ZEITZ HYDRIERWERK GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oehler Ralf 10
#2 Schuelert Guenther 8
#3 Kreis Johannes Dipl Chem Dr 5
#4 Lier Werner Dipl Chem Dr 5
#5 Sattler Werner 5
#6 Albrecht Bernd 5
#7 Fiedler Helmut 5
#8 Reichardt Hans-Ulrich 5
#9 Lorenz Klaus 5
#10 Kahlert Erwin Dipl Chem Dr 5

Latest patents

Publication Filing date Title
DE4037046A1 Prepn. of ash free anticorrosion agent for mineral, esp. two=stroke engine oil - by condensing alkylbenzene sulphonic acid with para-formaldehyde, long chain amine and short chain amine, in two stages
DE4037045A1 Prepn. of ash free anticorrosion agent for mineral oil - involves condensing alkyl:benzene sulphonic acid with excess of para:formaldehyde and amine in presence of antifoam
DD296286A5 Method for producing nitrogen-based lubricating oil compositions
DD296284A5 Process for preparing borous polymer
DD296285A5 Process for producing nitrogen-containing polymers
DD293785A5 Device for filling and compressing catalyst clothes in chemical actuators
DD298523A5 Method of reproducing high viscoster altoel distillation back treatment
DD298522A5 Method for processing altoels
DD292243A5 Process for the controlled carbonization of phenolates
DD292245A5 Method for producing high-based speed calcium alkylphenolate-i
DD301936A9 Process for the preparation of highly basic sulfurized calcium alkylphenates - II -
DD292241A5 Method for producing foam-hazardous ash-contained erdalkalimetal detergents
DD292242A5 Promoter combination for the preparation of alkalitate-degraded phenolates
DD292244A5 Promoter for the manufacture of phenolates
DD296910A5 Method for producing oxo-oxidization-inhibiting aromatic amines
DD295658A5 Antioxydante lubricant accessories
DD292669A5 Method for producing lubricating oil components from aromatine-containing mineraloel products
DD292671A5 Method for producing lubricating oil components from aromatine-containing mineral oil products by solventraffinaction
DD292670A5 Process for the production of rush-raw materials
DD292672A5 Method for the endasphalting and / or dehydration of petroleum residues