AT292444B - Verfahren zur Herstellung eines stark lichtundurchlässigen Papieres - Google Patents

Verfahren zur Herstellung eines stark lichtundurchlässigen Papieres

Info

Publication number
AT292444B
AT292444B AT580769A AT580769A AT292444B AT 292444 B AT292444 B AT 292444B AT 580769 A AT580769 A AT 580769A AT 580769 A AT580769 A AT 580769A AT 292444 B AT292444 B AT 292444B
Authority
AT
Austria
Prior art keywords
production
opaque paper
highly opaque
highly
paper
Prior art date
Application number
AT580769A
Other languages
English (en)
Original Assignee
Mead Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mead Corp filed Critical Mead Corp
Application granted granted Critical
Publication of AT292444B publication Critical patent/AT292444B/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675—Oxides, hydroxides or carbonates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Paper (AREA)
AT580769A 1968-06-19 1969-06-19 Verfahren zur Herstellung eines stark lichtundurchlässigen Papieres AT292444B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73813368A 1968-06-19 1968-06-19

Publications (1)

Publication Number Publication Date
AT292444B true AT292444B (de) 1971-08-25

Family

ID=24966723

Family Applications (1)

Application Number Title Priority Date Filing Date
AT580769A AT292444B (de) 1968-06-19 1969-06-19 Verfahren zur Herstellung eines stark lichtundurchlässigen Papieres

Country Status (9)

Country Link
AT (1) AT292444B (de)
BE (1) BE733301A (de)
BR (1) BR6909958D0 (de)
CH (1) CH500331A (de)
DE (1) DE1926122A1 (de)
ES (1) ES368481A1 (de)
FR (1) FR2011197A1 (de)
IL (1) IL32215A0 (de)
NL (1) NL6909160A (de)

Also Published As

Publication number Publication date
IL32215A0 (en) 1969-07-30
CH500331A (fr) 1970-12-15
DE1926122A1 (de) 1970-01-02
BE733301A (de) 1969-11-03
NL6909160A (de) 1969-12-23
ES368481A1 (es) 1971-05-01
BR6909958D0 (pt) 1973-01-09
FR2011197A1 (en) 1970-02-27

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee