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HALBZELLSTOFF IND AG F

Overview
  • Total Patents
    14
About

HALBZELLSTOFF IND AG F has a total of 14 patent applications. Its first patent ever was published in 1930. It filed its patents most often in Switzerland, Germany and France. Its main competitors in its focus markets textiles and paper and foods and drinks are CHONGQING LEE & MAN PAPER MFG, BIOPULPING INT INC and AHLSTROM MACHINERY INC.

Patent filings in countries

World map showing HALBZELLSTOFF IND AG Fs patent filings in countries
# Country Total Patents
#1 Switzerland 5
#2 Germany 3
#3 France 2
#4 United Kingdom 2
#5 Denmark 1
#6 Finland 1

Patent filings per year

Chart showing HALBZELLSTOFF IND AG Fs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Textiles and paper
#2 Foods and drinks

Top inventors

# Name Total Patents
#1 Fuer Halbzellstoff-Industrie A 5
#2 Hoyer Fritz 1
#3 Fritz Hoyer 1

Latest patents

Publication Filing date Title
GB518887A A process for the production of pulp material from wood, straw, grasses and similar cellulose containing plants
DE714937C Process for the production of semi-cellulose from wood, bamboo, straw, grass and other plants containing cellulose
DE665959C Process for the production of pulp from beech wood
DE621951C Process for the production of semi-pulp
GB364708A Improvements in and relating to the preliminary treatment of fibrous materials for the production of cellulose paper pulp, mill boards, cardboard, plates and the like