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BITTERFELD CHEMIE

Overview
  • Total Patents
    1,161
About

BITTERFELD CHEMIE has a total of 1,161 patent applications. Its first patent ever was published in 1966. It filed its patents most often in German Democratic Republic, Germany and France. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and chemical engineering are MITSUI KAGAKU KOGYO KABUSHIKI, SHENYANG CHEMICAL INST MINISTR and UGINE KUHLMANN.

Patent filings per year

Chart showing BITTERFELD CHEMIEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kochmann Werner 255
#2 Steinke Walter 148
#3 Kramer Wilfried 91
#4 Thust Ulf 79
#5 Hoese Werner 73
#6 Naumann Kurt 67
#7 Wolter Gerhard 62
#8 Fuertig Helmut 62
#9 Knop Peter 57
#10 Roscher Wolfgang 57

Latest patents

Publication Filing date Title
DD295153A5 Process for preparing coordination compounds of the a- [4- (2 ', 4'-dichlorphenoxy) phenoxy] -propionic acid
DD293725A5 Pharmaceutical agent and method for the production thereof
DE4007751A1 Continuous sulphur dyestuff mfr. - by baking process in double-screw reactor, followed by two=stage digestion
DD293089A5 Truck box for transporting and handling of fixed shoe trays, especially of carbon labels and coke
DD292247A5 Process for preparing diaminothioxanilides
DD299635A5 Process for the preparation of zeolithic adsorption agents
DE4005001A1 Appts. for prodn. of phthalimides in stored fruit - by reaction of phthalic anhydride and urea, where prods. are metered into twin-rotor helical screw mixer at 120-130 deg C , etc.
DD300315A7 Printing pastes for opaque pigment printing
DD291913A5 Herbicide medium
DD291914A5 Fungicides and bactericides
DD291748A5 Process for preparing allyl hydroxylated terpenoides of hydrocarbons
DD291465A5 Microbicides water-soluble plant protection agents
DD292136A5 New disinfectants with particular high user friendliness
DD291553A5 Method for producing aldehyde-free, water-soluble and stainless acetal-compound compounds
DD291466A5 New user-friendly preservatives
DD291464A5 Viricid water-soluble plant protection
DD291575A5 New microbicide supplements for coat lubricants of metal working
DD291576A5 Liquid detergent with hygienic effect
DD291343A5 Antimicrobial means for preserving leather and leather
DD291570A5 Adhesive for adhesions