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WULFF DIRK

Overview
  • Total Patents
    14
About

WULFF DIRK has a total of 14 patent applications. Its first patent ever was published in 1976. It filed its patents most often in German Democratic Republic and Czechoslovakia. Its main competitors in its focus markets macromolecular chemistry and polymers are ASFALTI BITUMI CEMENTI E DERIV, MAREK MIROSLAV and AMUKO ENTERP KK.

Patent filings in countries

World map showing WULFF DIRKs patent filings in countries
# Country Total Patents
#1 German Democratic Republic 13
#2 Czechoslovakia 1

Patent filings per year

Chart showing WULFF DIRKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Thiele Klaus 14
#2 Wulff Dirk 14
#3 Gerecke Jochen 13
#4 Wintzer Ruth 10
#5 Haeussler Lutz 5
#6 Blase Sigrid 4
#7 Dieffenbach Harald 2
#8 Gahr Christa 2
#9 Zachaeus Frank 2
#10 Kuenzel Adelheid 1

Latest patents

Publication Filing date Title
DD154101A1 Process for the preparation of vinyl chloride polymers
DD150207A1 Process for the preparation of vinyl chloride polymers
DD149074A2 Method for producing vinyl mixing polymers
DD144924A1 Method for producing vinyl mixing polymers
DD142805A3 Method for producing vinylhomo-and-mixed polymers
DD142194A1 Process for producing elastified vinyl chloride polymer
DD137112A1 Process for preparing polypropylene polypropylene polypers
DD136971A1 Method for producing styrene polymerproducts
DD135621A1 Process for preparing butadiene mixing polymers
DD132588A1 Process for preparing vinyl chloride polymers with low rest vinyl chloride content
DD132072A1 Process for the preparation of copropolparymerisates of butadiene
DD131752A1 Process for preparing polymerpropylene vinyl acetate
DD129562A1 Method for producing vinyl chloride vinyl acetate copropep polymerises