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WALDHOF ZELLSTOFF FAB

Overview
  • Total Patents
    1,065
About

WALDHOF ZELLSTOFF FAB has a total of 1,065 patent applications. Its first patent ever was published in 1891. It filed its patents most often in Germany, France and Switzerland. Its main competitors in its focus markets textiles and paper, packaging and shipping and macromolecular chemistry and polymers are STORA ENSO OY, CENTRE TECHNIQUE DE LINDUSTRIE DES PAPIERS CARTONS ET CELLULOSES and HEISKANEN ISTO.

Patent filings in countries

World map showing WALDHOF ZELLSTOFF FABs patent filings in countries
# Country Total Patents
#1 Germany 391
#2 France 157
#3 Switzerland 112
#4 Austria 91
#5 United Kingdom 77
#6 United States 47
#7 Canada 43
#8 Spain 43
#9 Finland 37
#10 Denmark 34
#11 Belgium 13
#12 Sweden 9
#13 Greece 3
#14 Norway 3
#15 Italy 2
#16 Luxembourg 2
#17 Netherlands 1

Patent filings per year

Chart showing WALDHOF ZELLSTOFF FABs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zellstofffabrik Waldhof 67
#2 Stroele Dr Ulrich 18
#3 Schoch Dr Walter 16
#4 Sohn Dr August-Wilhelm 15
#5 Claus Walter 11
#6 Haas Rudolf 9
#7 Stroele Ulrich Dr 9
#8 Zellstoffabrik Waldhof 8
#9 Rautnig Josef 8
#10 Baumbach Friedrich 8

Latest patents

Publication Filing date Title
DE2003266A1 Process for preparing gels
DE2002502A1 Cigarette filters of paper or paper-like materials
DE2002501A1 Method for adjusting the draw resistance of a paper filter for cigarettes
DE1963599A1 Soln and separation of single components - from mixtures of solids
DE1942800A1 Release paper or cardboard
DE1935800A1 Applying a delicate sheet of material on a support
DE1933556A1 Hot-melt layer coated thin material
DE1930066A1 Process for coating thin web-shaped materials
DE1925130A1 Method and device for the semi-automatic setting up of packaging inserts with outer cartons
DE1914662A1 Device for residue-free filling of dusty and / or grainy goods
DE1911601A1 Method and device for fine flow metering
DE1911429A1 Acylpurl-6-histamines with lipophilic and - antitumour properties
GB1247915A Method of producing thread-reinforced laminated sheet material
DE1792486A1 Process for the production of free-flowing, powdery materials from hygroscopic liquids and / or substances containing liquid defoaming agents
DE1786183A1 Folding box blank and device for automatic erecting and locking of the same
DE1769903A1 Process for the production of a dispersing and wetting agent based on lignosulfonic acid
DE1795019A1 Process for the preparation of nucleosides esterified in the 5 'position
DE1795020A1 Process for the preparation of purine nucleiside-5'-carboxylic acids
DE1767633A1 Method and device for neutralizing magnesium sulphite waste liquor
DE1770099A1 Process for the preparation of pyrazolo- (3,4-d) -pyrimidines, which can optionally be substituted in the 1,4,6-position